WO2005006092A1 - 自動プログラミング方法および装置 - Google Patents
自動プログラミング方法および装置 Download PDFInfo
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- WO2005006092A1 WO2005006092A1 PCT/JP2004/009614 JP2004009614W WO2005006092A1 WO 2005006092 A1 WO2005006092 A1 WO 2005006092A1 JP 2004009614 W JP2004009614 W JP 2004009614W WO 2005006092 A1 WO2005006092 A1 WO 2005006092A1
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- 238000000034 method Methods 0.000 title claims abstract description 228
- 239000000463 material Substances 0.000 claims abstract description 380
- 238000007514 turning Methods 0.000 claims abstract description 89
- 238000012545 processing Methods 0.000 claims description 202
- 238000003754 machining Methods 0.000 claims description 122
- 230000008569 process Effects 0.000 description 195
- 238000010586 diagram Methods 0.000 description 37
- 210000000078 claw Anatomy 0.000 description 25
- 238000011165 process development Methods 0.000 description 16
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- 238000005553 drilling Methods 0.000 description 3
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- 239000012778 molding material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4093—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35259—Divide program in machining division blocks, and name them
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35576—Data divided in blocks to be covered by small movement, to origin by large movement
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36304—Divide into several machining processes, divide each also in several sub processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S715/00—Data processing: presentation processing of document, operator interface processing, and screen saver display processing
- Y10S715/961—Operator interface with visual structure or function dictated by intended use
- Y10S715/964—CAD or CAM, e.g. interactive design tools
Definitions
- the present invention relates to an automatic programming method for creating an NC creation program for generating an NC program using CAD data such as a material, a product shape, and a material shape.
- the present invention relates to an automatic programming method and apparatus capable of easily executing a position alignment (overlay) process between a product model and a material model required for the production.
- autonomous programming device In a machine tool equipped with an NC device (numerical control device), a workpiece is machined into a desired product shape by executing an NC program, but an NC creation program is created to create this NC machining program. For this reason, in recent years, an automatic programming technology using a microcomputer called an automatic programming device (hereinafter abbreviated as “auto programmer”) has often been adopted.
- auto programmer an automatic programming device using a microcomputer called an automatic programming device
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-189510
- feature data of a processed product is extracted from CAD data, and a processing area and a processing area are set for each processing step.
- Material data and machining models for each machining process are generated, and the generated machining process data and machining model data are stored. Machining process data, raw data, machining model data, tool data, cutting conditions Generate tool path data based on data 2
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-2688718
- the extracts machining information for all of the machining site in the shape indicated by the three-dimensional C AD data edit the extracted machining information to determine the processing steps: 'based on more determined machining E machining Make a path.
- Patent Document 3 Japanese Unexamined Patent Application Publication No. 2000-011-1716 discloses that an object solid model (product model) and a processed object solid model (material model) are combined by overlapping, and the object is combined. It is disclosed to determine a composite model that indicates the volume of the workpiece that needs to be removed to form. Specifically, a human user selects at least one of the topological feature types, selects a surface of the composite model, and selects a relevant portion of the model having the selected surface. The part with the selected surface is defined as a machined feature that is topologically equivalent to the selected topological feature, and the volume to be removed is defined as It is divided into machining features.
- the present invention has been made in view of the above, and has as its object to provide an automatic programming method and apparatus which enables a product model to be positioned on a material model by extremely simple operations and enables efficient programming work. With the goal. 04 009614
- a turning surface having a maximum diameter in the product model is detected and detected.
- the first step of determining the rotation center axis of the turning surface with the largest diameter determined as the turning axis of the product model, and moving or moving the product model so that the determined turning axis of the product model matches the turning axis of the material model A second step of rotating, and a third step of moving the product model so that the end face of the moved product model coincides with a program origin preset in the material model.
- the product model is automatically arranged so as to overlap the material model by using the turning surface having the largest diameter in the product model, so that the operator can determine the position of the product model with respect to the material model.
- FIG. 1 is a block diagram showing a configuration of an automatic programming device
- FIG. 2 is a block diagram showing an NC device having an automatic programming device built therein
- FIG. 3 is a block diagram showing an automatic programming device according to the first embodiment.
- FIG. 4 is a flowchart showing an operation procedure of the programming device.
- FIG. 4 is a diagram showing an example of a menu selection main screen.
- FIG. 5 is a diagram showing an example of an extended menu of a menu selection main screen.
- FIG. 6 is a diagram showing an example of a product shape reading screen
- FIG. 7 is a diagram showing an example of a material shape setting screen
- FIG. 8 is an example of data stored in a material shape database.
- FIG. 1 is a block diagram showing a configuration of an automatic programming device
- FIG. 2 is a block diagram showing an NC device having an automatic programming device built therein
- FIG. 3 is a block diagram showing an automatic programming device according to the first embodiment.
- FIG. 4 is a flowchart showing
- FIG. 9 is a diagram showing the relationship between the end face turning and the end chamfer allowance
- FIG. 10 is a flow chart showing a procedure for automatically selecting a round bar material model.
- Fig. 11 is the same as Fig. 10 Is an explanatory view of a selection procedure
- the first Fig. 2 is a flowchart illustrating the automatic selection processing procedure of a hexagonal bar stock model
- FIG. 14 is an explanatory diagram of a selection process procedure.
- FIG. 14 is a diagram showing an example of a material shape setting screen for explaining another selection process procedure of the material model.
- FIG. FIG. 16 is a diagram showing another example of a material shape generation dialogue
- FIG. 17 is a diagram showing a display mode of a material / material input column.
- FIG. 18 is a diagram showing the movement of the radio between the data input field and the list box of the material database.
- FIG. 19 is a flowchart showing the operation procedure of the partial material setting processing mode.
- FIG. 20 is a diagram showing an example of the partial material setting screen.
- FIG. 21 is an explanatory diagram of the partial material setting process.
- FIG. 22 is an explanatory diagram of the partial material setting process.
- Fig. 23 shows an example of the product model before the partial material setting process.
- FIG. 24 is a partially enlarged view of FIG. 23, and
- FIG. 25 is a view showing a model after a partial material setting process of the product model of FIG. 24.
- FIG. 26 is a diagram showing an example of a fixture setting menu.
- FIG. 27 is a flowchart showing an operation procedure of a fixture (jig) setting process.
- FIG. 28 is a flowchart showing a material end face shape.
- FIG. 29 is a diagram showing an example of a type and a claw pattern selection tape,
- FIG. 29 is a diagram showing an example of a fixture setting window, and
- FIG. 30 is a flow chart showing a procedure for calculating a gripping diameter.
- FIG. 31 is an explanatory view of the concept of the calculation of the grasping diameter.
- FIG. 32 is a front view showing a process of automatically aligning the product model and the material model. Figure showing the display contents of the alignment screen that performs the automatic alignment process between the product model and the material model Fig.
- FIG. 34 is an explanatory diagram of the turning surface and the diameter of the turning surface
- Fig. 35 is a diagram illustrating the Z-inversion process
- Fig. 36 is a diagram illustrating the shape movement menu.
- Yes Fig. 37 is a diagram showing the shape movement dialog
- Fig. 38 is a flowchart showing the process division process
- Fig. 39 is an example of a screen on which feature points are displayed.
- FIG. 40 is a diagram showing a 1Z2 cross section of a model in which a process division point is designated.
- FIG. 41 is a flowchart showing another example of the automatic process division process.
- FIG. 42 is a diagram for explaining the concept of the automatic processing of the process division shown in FIG. 41
- FIG. 43 is a diagram for explaining the mounting fixture setting process of the second process.
- FIG. 44 is a diagram for explaining an automatic discrimination process between a through hole and two holes. T / JP2004 / 009614
- FIG. 45 is a diagram showing an example of the development of the turning process for the inner diameter portion
- FIG. 46 is a diagram for explaining the point machining of the area between the claws of the chuck.
- FIG. 47 is a flowchart showing a tool selection process.
- FIG. 48 is a diagram for explaining an editing process for an undeployable shape.
- FIG. 49 is a diagram showing a program editing screen.
- Fig. 50 is a flowchart showing the emphasis processing in the three-dimensional display unit of the machining unit.
- Fig. 51 shows the shape selected in the three-dimensional display unit inserted as a shape sequence at the cursor position in the editor unit.
- FIG. 52 is a flowchart showing a shape sequence insertion process.
- FIG. 53 is a diagram showing a state in which a shape sequence is inserted into an editor unit.
- 5 4 shows the program edit screen.
- FIG. 55 is a flowchart showing a unit insertion process
- FIG. 56 is a block diagram showing a configuration of an automatic programming device according to the second embodiment
- FIG. 9 is a flowchart showing an operation procedure of the automatic programming device according to the second embodiment.
- FIG. 1 is a block diagram showing a configuration of an automatic programming device according to a first embodiment of the present invention.
- This automatic programming device (hereinafter abbreviated as “automatic opening”) 100 is designed to directly import data on product shape and material shape from CAD data and use various data such as product shape data and material shape data.
- Automatic opening Based on the software for creating an NC creation program for creating an NC program for machining a product from a material (work) by interacting with the operator.!
- This automatic pro is mounted on a computer such as a microcomputer.
- the NC creation program is described in a predetermined language higher than the NC program.
- This automatic pro 100 can be applied to both machine tools, two-spindle machine tools with two main spindles, the main spindle and sub-spindle, and single-spindle machine tools with no main spindle. it can.
- an explanation will be given of an automatic processing machine applied to a two-spindle machine tool having two main spindles, a main spindle and a sub-spindle.
- An automatic professional machine applicable to both the two-spindle machine tool and the one-spindle machine tool will be described in a second embodiment.
- this automatic professional 100 can be used for turning work to rotate and round a work, boring to rotate a work to make a hole, milling and surface processing to fix a work and rotate by turning a cutting tool. It can be applied to machine tools that perform machining, and can also be applied to complex machining that combines turning and milling.
- the automatic program 100 shown in FIG. 1 shows a state in which it is mounted on a computer.
- the automatic program 100 is operated by an NC program via a communication interface 23 according to an NC program. It is connected to the.
- a product shape database 1, a material shape database 2, and a tool database 3 are registered in a built-in memory or an external memory of a microcomputer in which the automatic program 100 is mounted.
- the product shape database 1 stores a plurality of product shape data represented by three-dimensional CAD data (three-dimensional solid model data).
- CAD data three-dimensional solid model data
- various data such as material, shape (cylinder, square, hexagon, etc.) and dimensions (outer diameter, inner diameter, length, etc.) are registered and stored for each material.
- tool database 3 tool data is registered and stored.
- a microcomputer equipped with an automatic programmer is provided with a display device 20, an input device 21 such as a keyboard and a mouse, and an output device 22 such as a printer. Connected to an external device such as device 200.
- the program part which is a basic component of the automatic pro 100, includes a product shape input processing unit 10, a material shape input processing unit 11, a jig setting processing unit 12, a positioning processing unit 13, 4 009614
- It consists of a process division processing section 14, a process development processing section 15, a tool selection processing section 16, a non-expandable shape editing processing section 17, a program editing processing section 18, and a program development processing section 19. .
- the product shape input processing unit 10 displays a product shape input screen for allowing the operator to select product shape data (product model), and stores the product shape database 1 or other arbitrary memory by the operator.
- product shape data product model
- the product shape input processing unit 10 displays a product shape input screen for allowing the operator to select product shape data (product model), and stores the product shape database 1 or other arbitrary memory by the operator.
- required product shape data is selected from a plurality of product shape data composed of three-dimensional solid model data, processing such as displaying the selected product shape data in three dimensions is performed.
- the material shape input processing unit 11 displays a material shape input screen for allowing the operator to select material shape data (material model), and a three-dimensional solution stored in the product shape database 1 or any other memory.
- the required material shape data is selected automatically or by the operator from a plurality of material shape data composed of the tree model data, and processing such as displaying the selected material shape data in three dimensions is performed.
- the material shape input processing unit 11 has a partial material setting function for creating thickened material data used for processing of a workpiece based on product shape data.
- the jig setting processing unit 12 displays the jig model and the material model consisting of the chuck and the jaws, prepares a plurality of jig arrangement patterns corresponding to the material shape, and assigns the jig arrangement pattern to the operator.
- the jig arrangement is determined by selecting, and the gripping position and gripping of the nail are calculated and transmitted to the NC side.
- the alignment processing unit 13 performs a process of automatically arranging the product model in the material model gripped by the first check in the first process (process performed by the main spindle). In addition, the alignment processing unit 13 performs a process of automatically arranging the product model in the material model held by the second chuck in the second process (the process performed by the sub spindle).
- the process division processing section 14 is a process division process for machining with a two-spindle machine tool that has two main spindles, a main spindle and a sub-spindle.One-spindle machine tool that has only one main spindle only This is to perform a process division process at the time of processing in. 2 spindle work JP2004 / 009614
- the division position between the first step performed by the main spindle and the second step performed by the sub-spindle is specified by the outer diameter and the inner diameter, respectively.
- the first step of gripping one end of the material model with the main spindle and performing machining with the main spindle gripping the other end of the material model is specified by the outer diameter and the inner diameter, respectively.
- the process development processing unit 15 performs a series of machining operations, which are called machining modes, such as turning, point machining, face machining, and chamfering, and can perform continuous machining with the same spindle and the same tool. Performs processing to disassemble to the processing unit to be performed (hereinafter referred to as “ka ka unit”).
- machining modes such as turning, point machining, face machining, and chamfering
- the tool selection processing unit 16 performs a tool determination process for selecting an optimal tool for each processing location (processing unit) from the tool database 3, and determines cutting conditions according to the tool.
- the program development processing unit 19 creates an NC creation program in a predetermined language based on the combination of the plurality of process units developed in the process, the determined tool information, and the cutting conditions.
- the undeployable shape edit processing unit 17 performs an editing operation for converting an undeployable shape that cannot be automatically unfolded to a processing unit in the process unfolding process into some processing unit.
- the program edit processing section 18 edits the created NC creating program.
- the automatic program 100 is connected to the NC device 200 via the communication interface 23, but as shown in FIG. 2, the automatic program 100 is connected to the NC device. It may be incorporated in 200. In this case, the automatic program 100 is connected to the NC control unit 201 in the NC device 200.
- FIG. 3 is a flowchart showing a procedure for creating an NC creating program (machining program) executed by the automatic program 100 shown in FIG. 1 or FIG. With reference to Fig. 3, the details of the procedure for creating the NC creation program executed by this automated professional will be described for each process.
- PC window 2004/009614
- FIG. 4 shows an example of the menu selection main screen 8.
- the menu selection main screen 8 includes a tree display section 4, a 3D display section 5, a menu display operation section 6, and the like.
- the tree display section 4 displays a product file name, a material file name, a jig (attachment) file, a file name of each processing unit expanded in the processing unit, and the like.
- the 3D display unit 5 displays the shape data of the product file, the material file, the jig file, or the machining unit file selected in the display unit 4 in three dimensions (3D).
- Menu display operation section 6 has product shape setting button 6a, material shape setting button 6b, fixture setting button 6c, alignment button 6d, process division button 6e, unit development button 6f, unit editing It has a button 6 g and a program generation button 6 li.
- the product shape setting button 6a is a button for shifting to the product shape setting mode. In the product shape setting mode, processing such as reading a 3D-CAD model of the product shape is executed.
- the material shape setting button 6b is a button for shifting to the material shape setting mode. In the material shape setting mode, the material shape to be processed is selected and set.
- the fixture setting button 6c is a button for shifting to the fixture setting mode. In the fixture setting mode, the fixtures (chucks, claws) that grasp the element * ⁇ are set.
- the positioning button 6d is a button for shifting to the positioning mode. In the positioning mode, the position of the product and the material are adjusted.
- the process division button 6e is a button for shifting to the process division mode. In the process division mode, a division position between the first process and the second process is set.
- Unit development button (process development button) 6 f is a button for shifting to the unit development mode. In the unit development mode, the processing unit is automatically deployed based on the set information.
- the unit edit button 6g is a button for shifting to the unit edit mode, and in the unit edit mode, edits the developed machining unit.
- the program generation button 6h switches to the program generation mode. PC Kasumi 004 Bell 614
- This button is used to create an NC creation program from the developed and edited unit in the program generation mode.
- the menu display operation unit 6 is provided with a menu switching button 6k. By operating the menu switching button 6k, the menu display operation unit 6 has other display operations as shown in FIG. The menu is switched and displayed.
- the cross-section display button 7a is a button for displaying the cross-section of the display data of the 3D display unit 5
- the cross-section display angle setting button 7b is a button for executing the cross-section display at a specified angle.
- the reduction button 7c, the rotation button 7d, and the movement button 7e are buttons for scaling, rotating, and moving the display data on the 3D display unit 5.
- the fitting button 7 f is a button for displaying the displayed 3D shape so that the whole is fit in the center of the screen while keeping the posture.
- the dimension line display switching button 7 g is a button for displaying / hiding the dimension I with respect to the displayed 3D shape.
- the front button 7h, the rear button 7i, the left button 7j, the right button 7k, the flat button 71, and the bottom button 7m show the displayed 3D shape in front, rear, left, These buttons are used to display the right side, the plane, and the bottom.
- the first spindle 3D display button 7n is a button for displaying the displayed 3D shape in the direction viewed toward the first spindle
- the second spindle 3D display button 7p is displayed 3 A button for displaying the D shape in the direction viewed toward the second main axis.
- each step is usually executed in the procedure shown in FIG.
- product shape input processing step S100
- material shape setting processing step S101
- first process jig setting processing step S102
- alignment processing step S103
- process division processing step S104
- 2nd process jig setting process step S105
- Alignment process Step S106
- Process expansion Step S107
- Tool automatic setting process Step S108
- Program Each process is executed in the order of the unfolding process (step S109) ⁇ the undeployable shape editing process (step S1 10) ⁇ the program editing process (step S1 11).
- each step will be described in detail.
- This product shape input processing is started by turning on the product shape setting button 6a on the menu selection main screen 8 shown in FIG. 4, and the menu selection main screen shown in FIG.
- the screen switches to a product shape reading screen 30 for product shape input processing as shown in FIG.
- This product shape input processing is mainly executed by the product shape input processing unit 10 in FIG.
- the operator operates the input device 21 while the product shape reading screen 30 for selecting product shape data is displayed, and performs three-dimensional CAD data (product model) corresponding to the product as follows. Select
- the leftmost product shape reading button 31 of the plurality of buttons arranged below the product shape reading screen 30 is pressed.
- the product shape reading dialog 3 2 is displayed on the left, and the product shape (product model) corresponding to the selected 3D CAD data is displayed in the wire frame format on the right.
- Dimension view 33 is displayed.
- the product shape reading dialog 3 2 has a V-storage box 3 4 for displaying a list of CAD files registered in the product shape database 1.
- a preview of the product shape corresponding to the selected file is displayed on the three-dimensional view 33.
- the dimensions of the product in the X and Y directions are displayed on the 3D view 33.
- Each of the three-dimensional CAD data has shape information and color information (display color), and each shape information is added with attribute data relating to processing. Attribute data includes screws, roughness symbols, grinding steals, chamfers, hole chamfers, hole information (drills, reamers, end mills, boring, taps), part numbers, materials, and product names. By using these attribute data, adjustment of the process development result (change of processing order) described later is executed.
- the CAD data includes color information (display color), it is possible to identify the finished surface roughness and the like by the display color. 2004/009614
- the current directory is displayed in the directory display section 35 located above the list box 34 of the file list.
- a list of files in the directory displayed in the directory display section 35 is displayed. If you press the folder change button 36, a dialog (not shown) for folder change will be displayed, and you can operate this dialog to change the current directory.
- the CAD file selected in the list box 3 4 is read into the storage area of the automatic programmer, the product corresponding to the read CAD file is generated, and the generated product is generated.
- the shape (product model) is displayed on the 3D view 33. In this display, the dimensions of the product model in the X, Y, and Z directions are displayed on the three-dimensional view 133.
- the product has a function called an automatic adjustment mode when generating an image of the product shape. If YES is selected in item 29 of the automatic adjustment mode, the function is generated at the stage of the process of generating the product shape. The direction of the product on the 3D view 33 and the display position of the product are automatically adjusted.
- one or more directories are provided inside or outside the computer as an area for the product shape database 1, and any three-dimensional CAD data can be newly registered in these directories or already registered.
- the product shape data can be changed and re-registered.
- This material shape setting process is started by turning on the material shape setting button 6 b of the menu selection main screen 8 shown in FIG. 4.
- the screen switches to, for example, a material shape setting screen as shown in FIG.
- This material shape setting process is mainly executed by the material shape input processing unit 11 in FIG.
- FIG. 8 shows an example of material shape data registered in the material shape database 2.
- the material shape data includes material, shape type (cylinder, square, hexagon, etc.), dimensions (outer diameter, inner diameter, length, etc.). 4 009614
- the material setting menu 9a includes a material database button 9b, a partial material setting button 9c, a material model reading button 9d, a material material setting button 9e, an edit button 9f, and a change-over button 9g.
- the material database button 9b is a button for performing automatic material selection processing described later.
- the partial material setting button 9c is a button for creating a material model in which a product model used for processing a material is partially thickened.
- the material model reading button 9d is a button for reading material data registered in the material shape database 2 or arbitrary material data stored in an external storage device and setting the material shape.
- the material material setting button 9e is a button for manually setting the material material.
- the edit button 9f is a button for registering necessary material data in the material shape database 2 and for editing the registered material data.
- Replacement allowance change button 9 g is a button for changing a set value of an edge chamfer allowance described later.
- the material shape data registered in the material shape database 2 is displayed in a list on the material list 1 and the display section 302 of the material database dialog 300.
- the material having the smallest diameter including the product outer diameter is selected from the material shape data displayed in the list, and the selected material is highlighted (highlighted) as indicated by reference numeral 303.
- a round bar is selected by the operator as the material shape
- the material shape data of the round bar material is displayed in a list
- the material having the smallest diameter including the outer diameter of the product is selected from the round bar material data. Highlighted.
- the material with the smallest diameter that includes the product outer diameter is determined from all material shape data registered in the material shape database 2 such as round bar material, square bar material, and hexagonal material. Selected. JP2004 / 009614
- the operator can sort the number, material material, material type (Type), outer diameter, inner diameter, and length items as appropriate to Select
- the desired material data is selected (the selected material data is highlighted)
- the edge chamfering dialog box 2005 displays the material number, material, material shape (work type), outer diameter, inner diameter, length, and chamfer allowance for the selected material.
- the edge chamfer is O mm.
- the set value of the edge chamfer is a set value for the end face addition that cuts off the edge of the material at the beginning of turning. That is, since the raw material is not cut off at the edge of the raw material, the end face processing is performed at the beginning of turning.
- the end face machining program for removing the set chamfer margin by turning during subsequent machining program generation is created. Generated.
- FIG. 9 is a diagram for explaining the concept of edge processing.
- the material model WM is superimposed on the product model SM.
- the edge chamfer allowance TM1 is a value set in the edge chamfer allowance dialog 305, and the edge chamfer allowance TM2 on the other side is calculated from the material length to the product length. This value is obtained by subtracting TM1.
- FIG. 10 shows the procedure for automatically selecting a material when the material database button 9b is pressed.
- the procedure when a round bar is designated as the material shape is shown.
- the outer edge of the product model is determined from the program origin P c of the product model determined by the product shape input process executed in the previous step S100 (preset at the time of the product shape input process).
- the turning axis (Z axis) in the direction perpendicular to the turning axis and select the longest distance Lmax from the obtained multiple distances Yes (Step S120). That is, as shown in Fig. 11, distances in the direction perpendicular to the turning axis from the program origin Pc for a plurality of points PWl to PWi on the outer edge of the product model SM are obtained, and Select the longest distance L max among them.
- the turning axis (Z axis) extends in a direction perpendicular to the plane of the paper.
- a plurality of round bar data registered in the material shape database 2 are displayed in a list in the material list display section 302 of the raw-database dialog box 300, and the round bar data in the list is displayed. Then, a round bar material having a radius not less than Lmax and a minimum diameter is selected (step S122).
- step S 1 2 2 when one round bar material is selected (step S 1 2 2), the material data corresponding to the selected round bar material is highlighted in the material list 1 and the display section 302. (Step S 1 2 4). If there is more than one selected bar data, the bar material with the shortest length that is longer than the length of the product model among the plurality of bar materials is selected. Select (Step S123) and highlight the material data corresponding to the selected one or more round bar materials in the material list display section 302 (Step S124).
- the program origin Pc of the product model SM is made to coincide with the center Po of one hexagonal bar material model WM (step S130).
- Hexagon bar material model Determine the posture for WM. Also in this case, the direction perpendicular to the plane of the paper is the direction of the turning axis.
- each side of the hexagonal bar material model WM is translated until it touches the product model SM, and the turning axis between each of the translated segments La1 to La6 and the program origin Pc of the product model SM is Find the vertical distances L1 to L6. Then, the longest distance Lmax of these distances is obtained (step S1311).
- material data of the plurality of hexagonal bar data registered in the material shape database 2 The list is displayed in the material list display section 302 of the database dialog box 300, and the length of the opposite side (distance between the opposite sides) is 2 L max or more in the list.
- a hexagonal bar material having the minimum opposite side length is selected (step S1 32).
- step S133 when the number of selected hexagonal bar materials is one (step S133), the material data corresponding to the selected hexagonal bar material is highlighted in the material list display section 302. (Step S135). If there is more than one selected hexagonal bar material data, select the hexagonal bar material that is longer than the product model length and has the shortest length among these multiple hexagonal bar materials. (Step S134). Then, the material data corresponding to the selected one or more hexagonal bar materials is highlighted in the material list display section 302 (step S135).
- all the registered data registered in the material shape database 2 are displayed in a list in the material list display section 302, and the product model is included from among those displayed in the list. Although multiple minimum material data are highlighted, as shown in Fig. 14, only the material that contains the product model is selected from all registered data registered in the material shape database 2.
- a list may be displayed on the display unit 302. When there are a plurality of materials including the product model, the material having the smallest diameter and the smallest length, that is, the material having a small shaving amount during the machining, is displayed in the material list display section 302. In addition to highlighting at the top, the display order is sorted such that those with a small amount of shaving are positioned at the top below. By performing such a display, the operator can easily select a material that requires a small amount of shaving during processing and contributes to cost reduction.
- FIG. 15 The material shape setting screens shown in FIGS. 16 to 18 do not operate in conjunction with the raw shape setting screen 9 shown in FIG. 7, but are shown in FIGS. 16 to 18.
- the material shape setting screen shown in FIG. 7 and the material shape setting screen 9 shown in FIG. 7 are so-called different versions of the screen. 2004/009614
- an appropriate button (corresponding to the edit button 9f of the material shape setting screen 9 shown in FIG. 7) is input, and the material data registration screen ( (Not shown) is displayed, and the operator appropriately operates the material data registration screen to register necessary material data in the material shape database 2 as shown in FIG.
- the material shape database 2 can also input 3D CAD data as raw data.
- the material shape generation dialog 40 is registered in the material shape database 2 and a data input field 4 1 for inputting the material material, shape type (Work type), material outer diameter, material inner diameter, length, and chamfer allowance. It has a list box 42 in which the displayed data is displayed in a list, and a product dimension display column 43 in which the X and Y dimensions of the product shape are displayed.
- the material / material input field 44 and the shape type input field 45 consist of a combo box.
- the material and shape type round bar, square bar, etc.
- the operator selects the required item from the list.
- the outer diameter input field 46, the inner diameter input field 47, the length input field 48, and the edge chamfer input field 49 are composed of edit boxes, and the required numerical values are input directly into the respective fields. .
- the material / shape input processing unit 11 uses the selected material / shape type as a keyword and enters the material / shape database 2 It searches and extracts material data that matches the selected material and shape type from among the many material data in the material shape database 2, and lists the extracted material data in the list box 42.
- the operator selects desired material data from the list box 4 2 and, for example, presses the input (enter) key of the keyboard which is the input device 2 1.
- the data of the outer diameter input field 46, inner diameter input field 47, and length input field 48 are automatically updated with the outer diameter, inner diameter, and length of the data. If you select a zero-length material and press the input key, the length of the material is not changed.
- Each of the above operations can be operated with a pointer such as a mouse, but it also has the following shortcut key functions. That is, when the material material input field 44 and the shape type input field 45 have focus, for example, if the cursor movement key “ ⁇ ” or “” is pressed, as shown in FIG.
- the combo box of column 44 and shape type input column 45 is opened, and a list is displayed. Also, when the combo box list of the material input box 44 and the shape type input box 45 is open, pressing the input key, for example, closes the list as shown in Fig. 17 .
- the list is closed when the combo box loses focus.
- the material / material input field 44, shape type input field 45, outer diameter input field 46, inner diameter input field 47, length input field 48, and end face allowance input field The focus moves between 4 and 9. Also, the focus is on any one of the material / material input field 44, the shape type input field 45, the outer diameter input field 46, the inner diameter input field 47, the length input field 48, and the chamfer margin input field 49.
- the cursor movement key " ⁇ " key is pressed, the focus moves to the list box 42 of the material database as shown in FIG. To return the focus to the original position from the list box 42 of the material database, enter the cursor movement key “-” key.
- the operator can manually set desired material data by inputting desired data into the data input field 41 of the material shape generation dialog 40 as appropriate.
- the product shape display field 43 of the material shape generation dialog 40 has a product shape reflection button 50 for automatically selecting the smallest optimum material that can add the product shape selected by the operator. It is provided. In the product dimension display column 43, the X, Y and Z dimensions of the product shape that has been set in the product shape input process in step S100 are displayed.
- step S140 data is input to the material material input field 44 and the shape type input field 45 to select a material material and a material shape type. Also, input the dimension data of the product shape (step S140). In this automatic pro, since the process of selecting the product shape has already been completed at this point, the dimensions of the input product shape are displayed in the product dimension display column 43 as described above.
- the material shape input processing unit 11 is selected in the material material input field 44 and the shape type input field 45.
- the material shape database 2 is searched by using the material and shape type as keywords, and material data matching the selected material and shape type is extracted from among the many material data in the material shape database 2 (step S 1 4 2 ).
- the material shape input processing unit 11 includes the product shape from the extracted one or more materials by comparing the extracted dimensional data of one or more materials and the dimensional data of the product. That is, a material having a size larger than the size of the product is selected, and a material having the smallest size is selected from one or more materials capable of including the product shape (step S144).
- a method for selecting the material having the minimum size the method described in FIGS. 10 and 12 is used.
- the material shape input processing unit 11 When such a material selection process is completed, the material shape input processing unit 11 outputs the outer diameter input 46, the inner diameter input field 47, the length input field 48, and the end chamfer input field 49. The data is updated with the values of the finally selected material data. In this way, the smallest optimal material that can process the product shape is automatically selected. Then, a material model is generated based on the selected material data. 09614
- the smallest material data including the product shape is automatically selected from the material database, it is not necessary for the operator to manually select the appropriate material data. It can be performed.
- the partial material setting processing mode executed by pressing the partial material setting button 9c on the material shape setting screen 9 in FIG. 7 will be described with reference to FIGS. 19 to 25.
- the product model is displayed when the material is selected, and the operator is required to select and specify the necessary part of the thickness and the thickness of the thickness from the displayed product model. Then, a model is created in which only the specified portion is thickened by the specified thickness, and the generated model is registered as a material model.
- Pressing the partial material setting button 9c on the material shape setting screen 9 in Fig. 7 will display the partial material setting dialog 51 as shown in Fig. 20 and the product model 3D as shown in Fig. 21.
- the display screen opens.
- the product model displayed in 3D is the product model selected in the product shape input processing in step S100.
- CAD data of product models have different color attributes for each surface, and each surface of the product model that is displayed in 3D as shown in Fig. 21 has the specified color attribute. Corresponding colors are displayed. In this case, in the product model shown in Fig. 21, surfaces Dl and D3 are green. JP2004 / 009614
- Color attributes are set, and the red color attribute is set for surfaces D2 and D4.
- the partial material setting dialog 51 has a color selecting section 51a, a stocking setting section 51b, and a ⁇ K button 51c. All colors set as attributes in the model are extracted and displayed. For example, the number of colors that can be set as an attribute is 256 ⁇ 256 ⁇ 256, and when a product model is expressed using 20 of these colors, the 20 colors are displayed in the color selection section 51a. Assuming that only the color attributes of green (Dl, D3) and red (D2, D4) are set in the product model shown in Fig. 21, only the two colors of green and red are set in the color selection section 51a. Displayed;
- the operator designates a required surface of the product model by selecting a color corresponding to a portion where the thickness is desired from the plurality of colors displayed in the color selection section 51a (step S150), and The thickness value of the wall thickness is set in the setting section 51b (step S151), and when the OK button 51c is pressed, the surface corresponding to the previously selected color of the product model displayed on the 3D display screen is displayed. Only the thickness is increased by the allowance set in the allowance setting section 51b (step S152).
- FIG. 22 shows the product model shown in FIG. 21 in a cut (side) state.
- Green is selected in the color selection section 51a, 10 mm is set in the allowance setting section 51b, and the OK button 51c is pressed. As shown in Fig. 22, the thickness is increased.
- green is selected in the color selection section 51a, 5 mm is set in the margin setting section 51b, and when the OK button 51c is pressed, the surfaces D2 and D4 having the red attribute are only 5mra in thickness. I will be mad.
- step S154 it is determined whether or not there is an adjacent face between the thickened faces. If there is no adjacent thick-walled surface, the thickened model created in (the repetition of) the processing of steps S150 to S152 is registered and set as the material model (step S157). On the other hand, if there is an adjacent thickened surface, the connecting surface of the adjacent surface must be a curved surface such as an ellipse or a circle (real in Fig. 22, E1) or a square-shaped square surface (Fig. 22). Displays a dialog (not shown) that allows the operator to select one of the dashed lines E 2), and prompts the operator to select whether the connection surface is a curved surface or a corner surface.
- a dialog not shown
- connection surface may be selected for each location of the adjacent portion, or all the adjacent portions may be commonly selected for either the curved surface or the square surface. Then, using the selected connection surface, the adjacent thickened portions are connected as shown in FIG. 22 (step S156). Then, the model thus thickened is registered and set as the material model (step S157).
- -Fig. 23 shows an example of a part of the product model that is displayed in 3D in the partial material setting mode.
- FIG. 24 is an enlarged view of a portion F in FIG.
- FIG. 25 shows a thickened model in which the thick portions G1 to G4 have been added.
- color attributes were adopted as display attributes for designating each surface of the product model, and the surface to be thickened was selected according to the color attributes set for the product model.
- the various fill patterns described above may be set as display attributes on each surface of the product model, and the surface desired to be thickened may be selected by selecting a plurality of the fill patterns.
- select the surface to be thickened by operating an input device such as a mouse, and set the allowance for the selected surface.
- the desired thickening model is created by designating the thickness of each face of the product model that requires thickening and the thickness of the specified face. It is possible to easily create a material model to be used for machining of materials, because the thickened model that has been created can be registered as a material model.
- This jig setting process (mounting fixture setting process) consists of the menu selection main screen 8 shown in Fig. 4. Activated by turning on the fixture setting button 6c of When the fixture setting button 6c is turned on, the fixture setting is performed.For example, the menu is switched to the fixture setting menu 52 as shown in Fig. 26, and the nail pattern selection shown in Fig. 28 is performed. Table 53 and fixture settings as shown in FIG. 29 9 Window 54 are displayed.
- This fixture setting processing is mainly executed by the jig setting processing unit 12 in FIG.
- This first step jig setting processing is for setting a jig in the first step performed by the main spindle of the two-spindle machine tool.
- the jig model is composed of a chuck model and a claw model for gripping a material.
- the chuck shape data is obtained from the NC device 200 via the communication interface 23 or off-line to obtain the NC parameters (outside diameter, inside diameter, width of the chuck).
- the NC parameters (the outer diameter, inner diameter, and width of the chuck) are acquired from the NC controller 201, and the outer diameter, inner diameter, and width of the chuck are displayed using the acquired NC parameters.
- the operator to select the desired chuck shape.
- the number, shape, dimensions, gripping diameter, etc. of nails are determined according to the procedure shown in Fig. 27.
- the procedure shown in FIG. 27 is executed by the jig setting processing unit 12.
- the outer nail selection button 52a is a button for selecting the outer nail
- the inner nail selection button 52b is a button for selecting the inner nail.
- Grasp diameter / number of claws change button 5 2 c is a button for changing the grasp diameter and the number of claws.
- the first spindle pawl setting button 5 2 d is a button for setting the pawl of the first spindle (main spindle)
- the second spindle pawl setting button 5 2 e is for setting the pawl of the second spindle (sub spindle). Button.
- the fixture setting menu 52 When the fixture setting menu 52 is first displayed, the outer pawl selection button 52a and the first spindle pawl setting button 52d are automatically selected and turned on.
- the nail edit button 52 f is used to edit registered nail data.
- the fixture setting completion button 52g is a button for ending the fixture setting processing.
- the jig setting in the first step is performed, so the first spindle pawl setting button 5 2 Turn on d, and turn on one of the outer nail selection button 52a and the inner nail selection button 52b.
- the jig setting processing unit 12 first determines the type of material end face shape (circle, square, hexagon, etc.) from the material model determined in the material shape setting process in S101. Then, the dimensional data of the material model is obtained (Step S160).
- the nail patterns (nail model patterns) displayed in the nail pattern selection table 53 shown in FIG. 28 are roughly classified into outer nail patterns and inner nail patterns. It is further classified by squares, hexagons, etc., and nail placement patterns (number of nails, gripping points of nails (grips on corners, grips on flats)), and so on.
- FIG. 28 shows only the outer nail pattern.
- not all nail patterns are displayed on the nail pattern selection tape No. 53, but the outer nail selection button 52a and the inner nail selection button 52b are selected. Are displayed, and only the nail pattern corresponding to the type of the material end face shape of the material model is displayed. For example, when a square pillar material model is set, only the three nail patterns in the middle row of the nail patterns shown in FIG. 28 are displayed (step S1661). The operator selects and specifies a desired nail pattern from the displayed nail patterns (step S166). By this, the number of nails and the gripping location of the nail (whether to grab at a corner or a flat part, etc.) are specified.
- the registration data of one to a plurality of nail models corresponding to the selected nail pattern is extracted from all the registration data, and the extracted registration data is used as the fixture setting shown in FIG. This is displayed on the list display section 54 a of the window 54 (step S 16 3). For example, when a nail pattern of holding one square four nails and one flat part is selected, only registered data of a nail model corresponding to the selected pattern is displayed on the list display part 54a. '
- a nail number display section (nail No) indicating the nail number of the registered nail model, and a nail indicating the name of the registered nail shape (nail model) are displayed.
- Name display area nail height display area where the height of the registered nail shape is displayed, A nail length display area that displays the length of the nail shape that has been registered, a nail width display area that shows the width of the registered nail shape, and the Z-direction gripping allowance of the registered nail shape is displayed It has a Z-direction grip margin display area and an X-direction grip margin display area that displays the registered nail shape X-direction grip margin. That is, the list display section 54a displays the shape data of the selected nail model for each nail number.
- the fixture setting window 54 includes a claw shape display section 54b for identifying and displaying the outer claw or the inner claw, a grasping diameter display section 54c for displaying the grasping diameter, and a selected claw number. Is displayed, a selected claw number display section 54 d for displaying the number of claws of the selected claw pattern, a selected chuck model, a selected claw model, and The selected material model is provided with a fixture display section 54f for displaying a cross section or three-dimensionally.
- the jig setting processing section 12 displays the selected nail number. Is displayed in the selected claw number display section 54d, the number of claws is displayed in the claw number display section 54e, and the claw grasping position coordinates and the grasping diameter are calculated according to the procedure shown in Fig. 30. I do.
- the nail model TM is moved so that the selected nail model No. TM comes into contact with the end face of the material model WM determined in the previous material shape setting processing (step S 170).
- Shape data of the nail model, gripping pattern of the nail model (whether to grab at a corner or flat surface) and shape data of the material model (outer diameter, inner diameter, length, end face length) are calculated (step S171).
- the nail model TM is moved so that the nail model TM comes into contact with the outer diameter of the end face of the material model WM, and in the case of the inner nail, the nail model TM becomes the material model WM. Move the claw model TM so that it touches the inside diameter of the end face.
- the jig setting processing unit 12 calculates the total.
- the calculated grasping diameter value is displayed on the grasping diameter display section 54c, and the chuck model, the claw model, and the material model are displayed on the fixture display section 54f while the claw model grips the material model. (Step S165).
- the material model is placed on the first jig model (in this case, the first chuck and the claw).
- the nail editing button 52 f or the gripping diameter / number of nails changing button 52 c to open the editing dialog. Use the editing dialog to execute the editing process.
- This positioning process is started by turning on the positioning button 6d of the menu selection main screen 8 shown in FIG.
- This positioning processing is mainly executed by the positioning processing unit 13 in FIG.
- the product model is automatically placed (overlaid) in the material model gripped by the first chuck model.
- the difference from the model is set as the machining area, and this machining area is developed into various machining units in the subsequent process development processing.
- both the product model SM and the material model WM created in the previous processing are displayed on the alignment screen 55.
- the material model WM is displayed in a state where it is arranged at the position set in the previous step S102 with respect to the first jig (in this case, the first chuck and the claw) model ZG.
- the material model WM gripped by the first jig model ZG is Although placed at a predetermined position on the surface 55, the product model SM is placed at a position corresponding to the coordinates of the CAD data with respect to the origin of the CAD data. Therefore, when the product model SM and the material model WM are displayed for the first time, the positions of the product model SM and the material model WM do not match! /.
- the alignment processing unit 13 executes the alignment processing as shown in FIG. I do.
- the alignment processing unit 13 detects a turning surface having the largest diameter from one or more turning surfaces existing in the product model SM, and sets the rotation center axis of the detected turning surface having the largest diameter to the Z axis (the turning axis). ) (Step S180).
- the turning surface is, as shown in Fig. 34 (a) to (d), the circumference 310 of the cylinder made around the axis, the circumference 311 of the cone, and the circumference 312 of the pipe (torus).
- the surface having any shape of the peripheral surface 313 of the sphere.
- Fig. 34 (e) when a part of the turning surface is missing, the distance from the rotation center axis to the farthest point is the diameter of the turning surface.
- step S181 which of the two Z-direction end faces of the product model SM is closer to the program origin O (No. 3 3 It is not known whether it is located on the right side in (b). Therefore, the operator checks the direction in the Z direction of the product model obtained by automatic placement, and turning the product model SM 180 degrees in the Z direction is better for reasons such as less cutting allowance.
- the operator presses the Z flip button (not shown) arranged on the positioning screen 55.
- the central axis of the 180-degree rotation is an axis 57 (see FIG. 35) extending parallel to the X axis from the center position of the product model SM in the Z axis direction.
- the product model SM rotates 180 degrees around the axis 57, and the direction in the Z direction is reversed (step S183). Even if the product model SM is rotated, the center position of the product model does not change.
- This alignment processing function has a manual adjustment function that allows an operator to adjust the arrangement of the product model SM.
- this manual adjustment function the direction of the product model SM can be selected, and the product model SM can be rotated or moved in the XYZ axis directions.
- This manual adjustment function is used when the operator determines that the cutting allowance can be reduced by manual adjustment.
- the shape movement menu includes buttons for parallel movement in the X-, Y-, and Z-axis directions, buttons for rotational movement in the X-, Y-, and Z-axis directions, and a shape movement end button. Regardless of which button is pressed, the shape move dialog box for moving and rotating the shape as shown in Fig. 37 is displayed, and the pressed button is highlighted.
- the shape movement dialog displays the shape movement target as product shape (product model), material shape (material model), first chuck shape (first chuck model), and second chuck. shape as selection check box 6 0 for selecting from among the (second chuck model), a step amount input section 61, the movement amount input section 6 2 and a move button 6 3.
- the shape (model) for which the check is on Forces translation and rotation If the user inputs the amount of movement of the model in the movement amount input section 62 and presses the movement button 63 or inputs the input key, the parallel or rotational movement of the model is executed. When the model is moved by designating the movement amount in the movement amount input section 62, the model is moved once by the specified movement amount.
- step amount unit movement amount
- step amount input section 61 Enters the step amount (unit movement amount) of the model in the step amount input section 61 and press the movement button 63 or input key to execute the parallel or rotation movement of the model. .
- the shape movement processing is executed.
- shape movement by inputting the step amount a preview of the shape to be moved is displayed, and the displayed preview moves. Pressing the “ ⁇ ” key moves the shape in parallel or rotation in the + direction, and pressing the “ ⁇ ” key moves the shape in one direction.
- the move button 63 When the move button 63 is pressed or the input key is input, the movement of the preview due to the input of the step amount is reflected on the shape, and the shape movement process is completed.
- the model when the model is to be moved step by step by specifying the step amount in the step amount input section 61, the model moves by the designated step amount every time the cursor movement key “ ⁇ ” or “” is input. Be moved.
- the product model and the material model are aligned by using a single shape movement button, and the end position of the product model is positioned at the program origin. It is also possible to align the axis with the material model, and to position the end face of the product model to the program origin with another button.
- the product model is automatically arranged so as to overlap the material model held by the jig model, it is not necessary for the operator to manually calculate the position of the product model with respect to the material model. Efficient and efficient programming It can be carried out.
- This process division process is started by turning on the process division button 6e of the menu selection main screen 8 shown in FIG.
- This process division processing is mainly executed by the process division processing unit 14 in FIG.
- the process splitting process in this case is for coping with machining with a two-spindle machine tool having two main spindles, a main spindle and a sub-spindle.
- the machining area as the difference between the material model and the product model is defined as the main spindle.
- the division position between the first step of machining with the sub-spindle and the second step of machining the machining area with the sub-spindle is specified by the outer diameter and the inner diameter, respectively.
- the material is gripped and processed by the main spindle in the first step, and then the material is switched to the sub-spindle.In the second step, the material is gripped by the sub-spindle. Process.
- step S150 the operator first selects whether the process is to be divided manually or automatically (step S150).
- the process division processing unit 14 extracts feature points of the product model SM whose shapes such as vertices, holes, and ridges change on the outer diameter side and the inner diameter side, respectively. (Step S 191).
- the process division processing unit 14 displays the extracted feature points on the outer diameter side and the inner diameter side on the screen as candidates for the process division (step S 192).
- FIG. 39 shows an example of a process division screen in which a plurality of feature points are displayed.
- a plurality of feature points 3200 and candidate lines 3221 for process division corresponding to the feature points are completely displayed on the outer diameter side and the inner diameter side.
- the candidate line 3221 for the process division is a line extending from the feature point in a direction perpendicular to the Z axis. If there are no feature points, the position where a predetermined margin is added to the nail grip in the first step is divided into steps in order to perform more processing in the first step, which can perform more stable processing. Display it on the screen as a candidate.
- the operator refers to the displayed plurality of process division candidates and selects and designates a desired process division bell for each of the inner diameter and the outer diameter (step S193).
- the process division processing section 14 calculates the coordinate position on the product model SM of the selected and designated process division location (Step SI94). In this way, the process division position is determined (step S156).
- FIG. 40 is a diagram showing a half section of a model in which a process division point is specified.
- FIG. 17 shows the product model SM positioned with respect to the material model WM.
- the shape of the product model SM is symmetric with respect to the Z axis.
- this product model SM in addition to drilling (holes in the center) and turning (outer and inner diameters), it is necessary to perform milling at six locations (three on one side). In this case, it is determined that the outer diameter side is divided into the first and second steps at the process division position 65, and the inner diameter side is divided into the first and second steps at the process division position 66. .
- the milling location 67 located on the first step side belongs to the first step
- the milling location 69 located on the second step side belongs to the second step.
- the process division processing section 14 performs processing so that all the portions belonging to the first process side are also processed in the second process. Determine the processing content. This is because milling after cutting the entire outer diameter is more efficient than milling with the outer diameter cut to half.
- the process division processing unit 14 executes the following processing. That is, the nail gripping length La in the first step is calculated, and the length (La + ⁇ ) obtained by adding a predetermined margin value ⁇ to the nail gripping length La is calculated ( In step S195), only the calculated value (La + ⁇ ) and a position apart from the Z end face on the chuck side of the material model WM are determined as a process division position (step S196). A region on the tip side from the determined dividing position is defined as a first process region for machining in the first process, and a region on the proximal side (chuck side) from the dividing position is defined as a second process region for machining in the second process. I do. Note that the margin value varies depending on the length of the product model in the Z direction of the material model, and the margin value ⁇ varies depending on the length of the material model in the ⁇ direction. Are set in advance.
- FIG. 42 (a) shows the product model SM positioned on the material model WM.
- the process division processing unit 14 removes the material model from the material model WM by removing the front side and back side machining regions removed by the end face processing. Is obtained (step S200).
- FIG. 42 (b) illustrates the concept, in which the machining area Q1 on the front side and the processing area Q2 on the rear side are removed from the material model WM. That is, the front side machining area Q 1 and the back side machining area Q 2 correspond to the edge chamfer margin described with reference to FIG. These machining areas Q1 and Q2 are removed based on the edge chamfer value set by.
- the process division processing unit 14 generates a material model based on the shape data of the material model from which the edge chamfer is removed and the shape data of the product model. Is divided into an outer diameter turning area and an inner diameter turning area, and the divided outer diameter turning area Va and inner diameter turning area V are divided. b is obtained (step S201).
- the process division processing unit '14 is configured to divide the volume Va of the outer diameter side turning area by 1/2 in the Z direction, ie, the first process.
- the position in the Z direction at which the volume V a 1 of the outer turning area on the outer diameter side and the volume V a 2 of the outer turning area on the second step in the second step are equal to the outer diameter side process division position 6 5
- the X-stroke division processing unit 14 calculates the position in the Z direction that divides the volume V b of the turning area on the inner diameter side by 1 / '2, that is, the volume V b of the turning area on the inner diameter side in the first step.
- a position in the Z direction where the volume Vb2 of the turning area on the inner diameter side in the first step and the second step becomes equal is defined as a step division position 66 on the inner diameter side (step S202).
- the Z position that bisects the turning area on the outer diameter side is The inner diameter side turning area is divided into two equal parts, and the Z position is set as the inner diameter side dividing area, but the entire outer diameter machining area including turning, milling, etc. is divided into two equal parts.
- the Z position may be the outer diameter side process division position, and the entire inner diameter machining area may be bisected.
- the Z position may be the inner diameter side process division position.
- a position at which the volume of the entire processing region including the end surface processing region is bisected may be set as the process division position.
- the process division positions on the inner diameter side and the outer diameter side are the same.
- This second process jig setting processing is mainly performed by the jig setting processing section 12 shown in FIG. It is executed.
- This second step jig setting processing is for setting the jig in the second step performed by the sub-spindle of the two-spindle machine tool.
- the fixture setting button 6c on the menu selection main screen 8 shown in FIG. 4 is turned on, and the fixture setting menu 52 shown in FIG. 26 is opened. Further, press the second spindle pawl setting button 52 e to display the pawl pattern selection table 53 shown in Fig. 28 and the fixture setting window 54 shown in Fig. 29. By performing the same processing, the claw arrangement of the second chuck on the sub spindle side is set.
- the gripping diameter of the nail in the second process is determined by assuming the shape of the material after finishing the first process. That is, as shown in FIG. 43, a material model WM ′ after finishing the first process is created using the shape data of the product model SM, and the created material model WM ′ is used.
- the first process jig setting explained in the previous step S102 Perform the same processing as above to calculate the gripping diameter of the nail.
- This alignment processing is mainly executed by the alignment processing unit 13 in FIG.
- This positioning process is a process of automatically arranging the product model in the material model gripped by the second chuck used in the second process, and the operation is performed by the positioning process described in the previous step S103.
- the processing is the same as that of the first embodiment, and a duplicate description will be omitted.
- This process development process is started by turning on the unit development button 6f of the menu selection main screen 8 shown in FIG.
- This process development process is mainly executed by the process development processing unit 15 in FIG.
- This process development process is a process in which a series of machining operations called machining modes, which consist of turning, point machining, face machining, chamfering, etc., are performed continuously using the same spindle and the same tool. It is broken down into units (hereinafter referred to as processing units), and processing operations are configured as a combination of multiple processing units. In this process development process, the processing operations of both the first process and the second process are developed for each processing unit.
- the default order of the automatic process development in the case of combined machining is turning ⁇ surface machining ⁇ point machining ⁇ chamfering, and this order can be arbitrarily set by the operator.
- turning, facing, and chamfering are omitted, and a rule that expands the process to only point machining can be set.
- the default of the order of each processing in the turning process is as follows: end face processing ⁇ turning drill (center hole) ⁇ rod outer diameter ⁇ rod inner diameter, and this order can be set arbitrarily by the operator. Therefore, it is also possible in the order of end face machining ⁇ external machining of the bar ⁇ turning drill ⁇ internal diameter machining of the bar, or in the order of edge machining ⁇ turning drill ⁇ internal machining of the bar ⁇ external machining of the bar. It is possible.
- the process is developed in ascending order of depth.
- cylindrical or cylindrical shape + conical shape is developed into a drill, and two cylindrical shapes with different diameters + The conical shape develops seated.
- CAD data is accompanied by processing attribute data, it can be expanded to tap, reamer, boring, and Xingchen.
- point machining holes are classified into four shape sequences of points, rows, squares, and lattices according to the arrangement of holes of the same diameter, and the hole force is determined in the order determined by each of these classified shape sequences. By doing so, the efficiency of the spot power can be improved.
- the diameter value of the hole is compared with a threshold value, and it is determined whether to perform the point machining or the bocket milling based on the comparison result, and according to the determination result, either the point machining or the pocket mining process is performed.
- the threshold value of the diameter value can be set arbitrarily.
- each hole is a through hole that can be machined by one point machining as shown in Fig. 44 (a) or two holes as shown in Fig. 44 (b). It is automatically determined whether there are two holes where force cannot be applied by point processing, and point processing is developed based on the results of this determination.
- Fig. 45 shows an example of the development of the turning process, which is shown only on the inside diameter.
- 70 is a half section of the product shape. In this case, in the first step, the area 71 is first subjected to turning drilling, and then the area 72 is internally turned. In the second step, the area 73 is turned inside. Each of these areas 71, 72, and 73 is one processing unit.
- the hole shape of the point processing part 75 is extended to the surface of the material model, and the point processing of the point processing part 75 in which the hole shape is extended can usually be performed more stably than the second step. This should be done in the first step. Then, the turning process for the turning portion 74 is performed in the second step.
- FIG. 47 is a diagram showing a procedure for automatically deploying a tool sequence.
- finish allowance development that determines the finish allowance according to the finish symbol etc. of CAD data Is performed (step S210).
- tool type development is performed to determine how many tools are used to process each processing location developed in the process (step S211).
- a tool determination process is performed to select an optimal tool from the tool database at each processing location (step S212).
- the cutting conditions corresponding to the tool are determined (step S213).
- This program development process is started by turning on the program generation button 6h on the menu selection main screen 8 shown in FIG.
- This program development processing is mainly executed by the program development processing unit 19 in FIG.
- an NC creation program for the first and second processes in a predetermined language based on the combination of multiple processing units developed in the process, the determined tool information, and the cutting conditions Create This NC creation program is converted into an NC program as a numerical program by the NC device 200 or the second NC control unit 201 shown in FIG.
- the undeployable shape editing process is mainly executed by the undeployable shape editing unit 17 in FIG.
- the undeployable shape editing process is an editing operation for converting an undeployable shape that cannot be automatically unfolded to the processing unit in the previous process unfolding process into any processing unit.
- undeployable shapes include curved surfaces, shapes that require machining with special tools, V, shapes, and taper portions of the NC processing program created by this automatic port.
- V shapes that require machining with special tools
- V shapes that require machining with special tools
- V shapes that require machining with special tools
- V shapes
- the undeployable shapes that could not be automatically unfolded to the processing unit are undeployable shapes 81, 8 in the processed shape pulley section 80, which displays the processed units in a hierarchical manner. Appears as 2.
- the processing unit names such as "Bar outer diameter”, “Bocket mill”, and "Undeployable" are attached, and the number attached to the left of the processing unit name indicates the processing unit. Processing order. In addition, when the order of the processing units is changed, interference due to the change in the order is checked.
- Fig. 48 For undeployable shapes, as shown in Fig. 48 (b), change the processing unit name from, for example, “undeployable” to “pocket mill”, and then change the shape sequence (specifying the shape that represents the contour). )
- the program By specifying the tool and the tool, the program can be developed into an NC creation program that can be created by this automated professional.
- This program editing process is started by turning on the unit edit button 6 g of the menu selection main screen 8 shown in FIG.
- This program editing processing is mainly executed by the program editing processing section 18 in FIG.
- the created NC creating program is edited.
- the created NC creation program includes a plurality of machining units and a machining program corresponding to each machining unit.
- the program edit screen 84 has a machining shape tree section 80 / program tree section 85, a three-dimensional display section 86, an editor section 87, and a menu display section 91. ing.
- the machining shape part 80 displays the machining unit names hierarchically in a tree format.
- the program library section 85 displays the processing programs in units of processing units in a hierarchical format.
- a product model and a Z or material model are three-dimensionally displayed using a wire frame or the like.
- machining unit data (a shape sequence and a shape sequence indicating a caroage shape) corresponding to the machining unit name selected in the machining shape tree section 80 is displayed. Data including processing details) is displayed and When the gram tree section 85 is selected and displayed, the machining that corresponds to the program name selected in the program selection part 85 (in Fig. 54, the same program name as the machining unit name is assigned) The program is displayed. In the editor section 87, the cursor is positioned at the top of the processing unit data or the processing program corresponding to the processing unit selected in the processing shape part 80 or the program tree section 85.
- FIG. 50 shows the highlighting processing by the program editing processing section 18.
- machining unit name in the part of machining shape 80 and display the machining unit 1 and data such as the shape sequence in the editor unit 87.
- select one machining program name in the program part. Is selected, and the main body of the machining program is displayed in the editor section 87.
- the program edit processing section 18 detects this (step S 220), and highlights the machining unit 89 corresponding to the position of the cursor 88 of the editor section 87 on the three-dimensional display section 86. Display (highlighted) (step S221).
- the shape selected in the three-dimensional display unit 86 can be inserted as a shape sequence into the cursor position of the editor unit 87.
- This function is useful when editing undeployable shapes. This function is performed as follows.
- FIG. 51 (a) shows a state where the entire non-deployable unit is displayed.
- a shape element for example, one plane for which coordinate values are to be obtained is selected on the three-dimensional display unit 86 with a mouse or the like.
- the selected face 90 is highlighted on the three-dimensional display section 86 as shown in FIG. 51 (b).
- the shape selected in the three-dimensional display unit 86 can be inserted into the cursor position of the editor unit 87 as a shape sequence, so that it is possible to efficiently perform editing work on undeployable shapes and the like. .
- the shape sequence in the processing unit data is inserted at the cursor position, but the processing unit data corresponding to the processing unit selected on the three-dimensional display unit 86 is inserted at the cursor position. Is also good.
- This insertion function can be used when the program of the machining unit is broken due to an erroneous operation or the like, and it is possible to convert the program for each machining unit. This function is performed as follows.
- machining unit name to be inserted in the machining shape part 80 (refer to Fig. 54).
- the machining program name following the insertion position (in Fig. 54, the machining unit name and machining program) Name) is selected in the program library section 8 5.
- the cursor of the editor section 87 is positioned at the beginning of the machining program corresponding to the program name selected in the program tree section 85.
- the “unit input button” (not shown) in the menu display section 91 of the program edit screen 84 is pressed (step S240)
- the machining unit name selected in the machining shape tree section 80 is displayed.
- the machining program name corresponding to the machining program is inserted in units of machining cuts before the machining program name selected in the program selection part 85, and corresponds to the machining unit name selected in the cursor shape part 80.
- the machining program is inserted in units of machining units before the cursor position in the editor section 87.
- the machining program name and machining program corresponding to the machining unit name can be easily inserted at desired positions in the program tree section 85 and the editor section 87 for each machining unit. Editing work can be performed efficiently, for example, when a unit processing program is updated.
- the program name next to the insertion position may be selected first in the program part 85, and then the processing unit name to be inserted may be selected in the processing shape part 80.
- the automatic professional machine according to the first embodiment is an automatic professional machine applied to a two-spindle machine tool having two main spindles, that is, a main spindle and a sub-spindle installed so as to face the main spindle.
- Type 2 automatic pro is an automatic pro that can be applied to both two-spindle machine tools that have two main spindles, the main spindle and sub-spindle, and one-spindle machine tools that have only the main spindle. .
- the first process (corresponding to the first process) is completed, the material model is inverted, and the inverted material model is gripped again by the main spindle chuck model.
- the second step of processing the area (corresponding to the second step) will be executed. That is, in the 1-spindle machine tool, the first step is to perform processing by gripping one end of the material model with the first spindle machine, and the second step is to perform the other end of the material model with the first spindle machine. Is to be gripped for processing.
- the automatic program of the second embodiment is composed of an automatic program device for producing a machining program for 1 spindle machine, 1 spindle program creating section 330, and 2 spindle machine 2 Spindle program creation unit 3 3 1, which is an automatic program device for creating a machining program, and determines whether the controlled object is a 2-spindle machine or a 1-spindle machine. It is provided with a determination section 340 for activating one of the spindle program creation section 330 and the two spindle program creation section 331.
- this automatic program has a judgment unit 340 that judges whether or not the sub-spindle has a certain force on the machine tool to be controlled. It is determined whether or not the machine has a sub-spindle (second spindle) (step S400). That is, when the automatic opening is started for the first time, the operator registers in an interactive manner using an appropriate die exit whether or not the machine tool to be controlled has a sub-spindle.
- the determination unit 340 By storing the identification information indicating the presence or absence of the sub-spindle, the determination unit 340 refers to the identification information stored when the program is subsequently started, and determines whether the control target has the sub-spindle. Determine whether or not.
- the automatic program also has a function that can change the registered identification information.
- an NC creation program is created to create an NC program for machining a product from a material with a two-spindle machine tool having two main spindles: a main spindle and a sub-spindle.
- First software (2 spindle program creation section 3 3 1) and 1st spindle machine tool having a main spindle as a control object, and creating an NC creation program for creating an NC program for machining products from raw materials. 2) (1 spindle program creation section 330), and when the program starts, the judgment section 340 is controlled by either the 1 spindle machine tool or the 2 spindle machine tool. By judging this, either one of the first and second software is started.
- these first and second software have many shared parts.
- steps S100 to S109 is executed by the first software as in the first embodiment (FIG. 2). See).
- the first process and the second process are simultaneously developed in steps S107 and S108, so that the created NC creating program is the first process program and the basic process. It has a delivery program, a second process program, etc., and is a continuous program that can automatically operate all processes.
- the program of the second process is created by inheriting the information of the first process, in the second process, the product shape input processing of step S100 and the material shape setting of step S101 Processing can be omitted, and efficient program creation becomes possible.
- step S401 a product shape input process similar to step S100 is performed (step S401), and then a material shape setting process similar to step S101 is performed (step S402).
- step S403 a first step (first step) jig setting processing similar to step S102 is performed (step S403), and then a position alignment processing similar to step S103 is performed (step S4). 0 4)
- step S 405 the same process division processing as in step S 104 is performed (step S 405).
- step S406 the process development and tool selection for only the first process are executed (step S406).
- step S407 Only the first process A ram expansion is performed (step S407).
- step S408 Next, the material model is inverted by 180 degrees, and is again gripped by the chuck model of the main spindle (step S408).
- step S409 Next, the second step (second step) jig setting processing similar to step S105 is performed (step S409), and then the same alignment processing as step S106 is performed (step S106). Step S410).
- step S411 process development for only the second process and tool selection are executed.
- step S 4 12 program development of only the second process is executed.
- an NC creation program consisting of two programs, the first process program and the second process program, is created.
- the machine tool to be controlled has a sub-spindle, and according to this determination, (1) an automatic program for a spindle machine; and (2) an automatic program for a spindle machine. Since either one of the professionals is operated, it can be applied to both machine tools that have two main spindles, main spindle and sub-spindle, and that have only two main spindles and one main spindle. We can provide automatic pro. Industrial applicability
- the automatic programming method and apparatus according to the present invention are controlled by a two-spindle machine tool having two main spindles, a main spindle and a sub-spindle, or a one-spindle machine tool having only a main spindle. This is useful for software that creates an NC creation program for creating an NC program.
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Abstract
Description
Claims
Priority Applications (8)
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KR1020067000240A KR100750006B1 (ko) | 2003-07-04 | 2004-06-30 | 자동 프로그래밍 방법 및 장치 |
DE602004026057T DE602004026057D1 (de) | 2003-07-04 | 2004-06-30 | Automatisches programmierverfahren und einrichtung |
EP04747083A EP1643331B1 (en) | 2003-07-04 | 2004-06-30 | Automatic programming method and device |
JP2005511516A JP4450795B2 (ja) | 2003-07-04 | 2004-06-30 | 自動プログラミングにおける製品モデル配置方法および装置 |
KR1020077005704A KR100889895B1 (ko) | 2003-07-04 | 2004-06-30 | 자동 프로그래밍 방법 및 장치 |
CNB200480012208XA CN100533318C (zh) | 2003-07-04 | 2004-06-30 | 自动编程方法和装置 |
TW093119970A TWI260474B (en) | 2003-07-04 | 2004-07-02 | Automatic programming method and device |
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JPS62251007A (ja) * | 1986-04-24 | 1987-10-31 | Kawasaki Steel Corp | ロ−ルの切削加工方法及び装置 |
JPH0751989A (ja) * | 1993-08-06 | 1995-02-28 | Yachiyoda Kogyo Kk | 自由曲面加工装置 |
JP2002099314A (ja) * | 2000-09-26 | 2002-04-05 | Kiriu Corp | 非円形用nc加工形状データ創成方法及び同装置 |
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