WO2005003871A1 - 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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- WO2005003871A1 WO2005003871A1 PCT/JP2004/009588 JP2004009588W WO2005003871A1 WO 2005003871 A1 WO2005003871 A1 WO 2005003871A1 JP 2004009588 W JP2004009588 W JP 2004009588W WO 2005003871 A1 WO2005003871 A1 WO 2005003871A1
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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
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- 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
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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
- 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
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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
- 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 and apparatus for creating an NC creation program for generating an NC program using CAD data of a product shape, a material shape, and the like, and in particular, automatically determines an optimal material corresponding to a product.
- the present invention relates to a device for automatic opening and closing methods that can be used. Background art
- NC numerical control device
- An NC creation program is created to create this NC machining program.
- automatic programming technology using a microcomputer called an automatic programming device hereinafter abbreviated as “automatic programmer” has been often adopted in order to achieve this.
- automatic pros were not connected to CAD data, so it was necessary to re-program the machining shape while looking at the drawings, etc.However, recently, NC machining programs are created using CAD data.
- 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 a machining model for each machining process are generated, and the generated machining process data and processing model data are stored.
- Tool path data, virtual work shape data after each process is completed, and machining work is performed based on the generated process data, material data, tool path data, and virtual work shape data.
- Business information is provided.
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-2686718
- a method for creating a machining path for machining a workpiece based on three-dimensional CAD data of a part is disclosed.
- 3D Extract machining information for all machining sites in the shape indicated by the CAD data, edit the extracted machining information, determine the machining process, and based on the determined machining process
- a machining path is created.
- Patent Document 3 Japanese Unexamined Patent Publication No. Hei 10-207725
- material shape data specified by the operator is taken out, deformed and defined to the dimensions specified by the operator, and stored in the material shape database.
- Patent Document 3 since the operator selects a material from the material shape database, it takes a long time to select the material, and the work efficiency is poor.
- the present invention has been made in view of the above, and an object of the present invention is to provide an automatic programming method and apparatus which enable automatic selection of optimal material data from a material database and perform efficient programming work. Aim. Disclosure of Invention ⁇
- material data is selected from a material database in which material data including material, shape, and dimensions are registered, and a material model is generated based on the selected material data.
- the material database is compared with the dimension data of the material data registered in the material database and the dimension data of the product model. Material selection process to select the smallest material data that encompasses the product shape from And a material model generation step of generating a model.
- the efficient programming work can be omitted. It can be performed.
- 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 the 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 an
- FIG. 9 is a diagram showing the relationship between the end face turning and the set value of the edge chamfering allowance
- FIG. 10 is a flow chart showing a procedure for automatically selecting a round bar material model.
- FIG. 11 is a diagram of FIG.
- FIG. 12 is an explanatory diagram of a selection processing procedure.
- FIG. 12 is a flowchart showing an automatic selection processing procedure of a hexagonal bar material model.
- FIG. 13 is an explanatory view of the automatic selection processing procedure of FIG. Yes
- FIG. 14 is a diagram showing an example of a material shape setting screen for explaining another selection processing procedure of the material model
- FIG. 15 is a diagram showing another automatic selection processing procedure of the material model.
- FIG. 16 is a diagram showing another example of a material shape generation dialog, FIG.
- FIG. 17 is a diagram showing a display mode of a material / material input column
- FIG. 19 is a diagram showing the focus movement 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. 21 is a diagram showing an example of a setting screen.
- FIG. 22 is an explanatory diagram of the partial material setting process
- FIG. 22 is an explanatory diagram of the partial material setting process
- FIG. 23 is a diagram showing an example of a product model before the partial material setting process.
- 2 4 Figure is a partially enlarged view of the second 3 Figure
- FIG. 24 is a view showing a model after the partial material setting process of the product model shown in FIG. 24, FIG.
- FIG. 26 is a view showing an example of a fixture setting menu
- FIG. FIG. 28 is a flowchart showing an operation procedure of the setting process
- FIG. 28 is a diagram showing an example of a material end face shape type and a claw pattern selection table
- FIG. 29 is an example of an attachment setting window
- Fig. 30 is a flow chart showing the procedure for calculating the gripping diameter
- Fig. 31 is an explanatory diagram of the concept of calculating the gripping diameter
- Fig. 32 is the product model.
- FIG. 33 is a flowchart showing the automatic alignment process between the product model and the material model.
- FIG. 33 is a diagram showing the display contents of an alignment screen for performing the automatic alignment process between the product model and the material model.
- FIG. 36 is a diagram showing a Z-inversion process
- Fig. 36 is a diagram showing a shape movement menu
- Fig. 37 is a diagram showing a shape movement dialog
- Fig. 38 is a process division process.
- FIG. 39 is a diagram showing an example of a screen on which feature points are displayed
- FIG. 40 is a diagram showing a 1 Z 2 cross section of a model in which a process division point is designated.
- Fig. 41 is a flowchart showing another example of the automatic processing of the process division.
- Fig. 42 is a flowchart for explaining the concept of the automatic process of the process division shown in Fig. 41.
- FIG. 41 is a flowchart showing another example of the automatic processing of the process division.
- FIG. 43 is a diagram for explaining the fixture setting process in the second step
- FIG. 44 is a diagram for explaining the automatic discrimination process between the through hole and the two holes.
- Fig. 45 is a diagram showing an example of the development of the turning process in the inner diameter portion
- Fig. 46 is a diagram showing the gap between the chuck claws.
- FIG. 47 is a diagram for explaining point machining of an area
- FIG. 47 is a flowchart showing a tool selection process
- FIG. 48 is a diagram for explaining an editing process for undeployable shapes
- Fig. 49 is a diagram showing the program editing screen
- Fig. 50 is a flowchart showing the emphasis processing on the three-dimensional display part of the processing unit
- Fig. 51 is a three-dimensional display part.
- FIG. 52 is a diagram for explaining a process of inserting a selected shape as a shape sequence at a cursor position in an editor section.
- Fig. 52 is a flowchart showing a shape sequence import process
- Fig. 53 is a flowchart showing an editor section
- FIG. 54 is a diagram showing a state in which a shape sequence is inserted in FIG. 54.
- FIG. 54 is a diagram showing a program editing screen.
- FIG. 55 is a flowchart showing a unit import process.
- FIG. 56 is a block diagram showing the configuration of the automatic programming apparatus according to the second embodiment.
- FIG. 57 is a flowchart showing the operation procedure of the automatic programming apparatus according to the second embodiment. It is. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a configuration of an automatic programming apparatus according to Embodiment 1 of the present invention.
- This automatic programming device (hereinafter abbreviated as “auto-pro”) 100 reads data on product shape and material shape directly from CAD data and uses various data such as product shape data and material shape data
- the software is used as a basic component to create an NC creation program for creating an NC program for machining a product from a material (work) by interacting with the operator. Is mounted on a computer such as a microcomputer.
- the NC creation program is described in a predetermined language higher than the NC program.
- the automatic pro 100 can be applied to both a two-spindle machine tool having two main spindles, a main spindle and a sub-spindle, and a single-spindle machine tool having only a main spindle.
- an explanation will be given of an automatic processing machine applied to a two-spindle machine tool having two main spindles of a main spindle and a sub spindle.
- An automatic pro which can be applied to both 2-spindle machine tools and 1-spindle machine tools, will be described in the form 2 of 1 ⁇ .
- 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, and the automatic program 100 is operated by an NC device 200 via a communication interface 23 by an NC program. Connected to 0.
- 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 registers and 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 the basic component of the automatic pro 100, is composed of 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, a process division process. It comprises a part 14, a process development processing part 15, a tool selection processing part 16, a non-developable shape editing processing part 17, a program editing processing part 18, and a program development processing part 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), as well as a product shape database 1 Alternatively, the required material shape data is selected automatically or by the operator from a plurality of material shape data composed of three-dimensional solid model data stored in any other memory, and the selected material shape data is stored in the memory. Performs processing such as displaying dimensions. Further, 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 diameter 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 two-spindle machine with two main spindles, a main spindle and a sub-spindle.
- the process division processing when machining with a two-spindle machine tool is a single spindle with only one main spindle. This is to perform a process division process when processing with a machine tool.
- 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 the 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, called machining modes, which consist of U-shape machining, point machining, face machining, chamfering, etc., with the same spindle and the same tool. Performs processing to disassemble to the processing unit where processing is performed (hereinafter referred to as processing unit).
- the tool selection processing section 16 starts from the tool database 3 to each processing location (processing. Unit) In addition to performing the tool determination process to select the optimal tool for, the cutting conditions according to the tool are determined.
- the program development processing unit 19 creates an NC creation program in a predetermined language based on a combination of a plurality of processing units developed in the process, determined tool information, and cutting conditions.
- the undeployable shape edit processing unit 17 performs an editing operation for converting an undeployable shape, which could not be automatically unfolded to a processing unit in the process unfolding process, into some processing unit.
- the program editing processing section 18 performs an editing process of 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 ⁇ C 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 program will be described for each process.
- 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 the product file name, material file name, jig (fixture) file, file name of each processing unit deployed in the processing unit, and the like.
- the 3D display section 5 displays the shape data of the product file, material file, jig file, or machining unit file selected in the tree display section 4 in three dimensions (3D).
- Menu display operation section 6 has product shape setting button 6a, material shape setting button 6b, It has a fixture setting button 6c, an alignment button 6d, a process division button 6e, a cut-out button 6f, a unit edit button 6g, and a program generation button 6h.
- 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.
- the positioning button 6 d is a button for shifting to the positioning mode. In the positioning mode, the position of the product and the material is 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 deployment button (process deployment button) 6 ⁇ is a button for shifting to the unit deployment mode. In the unit deployment mode, the machining unit is automatically deployed from 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 is a button for shifting to the program generation mode. In the program generation mode, an NC creation program is created from the developed and edited unit.
- 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 operation menus as shown in FIG. Is 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, and the cross-section display angle 13 ⁇ 4constant button 7b is a button for executing the cross-section display at a specified angle.
- the scaling 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 fits the displayed 3D shape in the center of the screen while keeping the posture. Is a button for displaying as follows.
- the dimension line display switching button 7 g is a button for displaying / hiding the dimension line with respect to the displayed 3D shape.
- Front button 7 h, rear button 7 i, left button 7 j, right button 7 k, flat button 71, bottom button 7 m can be used to display the displayed 3D shape in front, rear, left It is a button for displaying, right side view, flat view, and bottom view.
- the first spindle 3D display button 7 n is a button for displaying the displayed 3D shape in the direction viewed toward the first spindle
- the second spindle 3D display button 7 p is used to display the displayed 3D shape.
- each step is usually executed in the procedure shown in FIG. That is, product shape input processing (step S100) ⁇ material shape setting processing (step S101) ⁇ first process tool setting processing (step S102) ⁇ alignment processing (step S103) ⁇ process division processing (step S101) S104) ⁇ 2nd process jig setting process (Step S105) ⁇ Alignment process (Step S106) ⁇ Process expansion process (Step S107) ⁇ Tool automatic setting process (Step S108) ⁇ Program expansion process (Step S109) ⁇ Undeployable shape editing process (Step S110) ⁇ Program editing process (Step S111) Steps are executed in this order.
- step S100 product shape input processing
- step S101 material shape setting processing
- step S102 ⁇ alignment processing
- step S101 step S104
- 2nd process jig setting process Step S105
- Alignment process Step S106
- Step S107 Tool automatic setting process
- Step S109 Program expansion process
- Undeployable shape editing process Step S
- 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 is displayed when the menu selection main screen 8 shown in FIG. 4 is turned on.
- the product shape setting button 6a is turned on, the screen is switched 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 displaying the product shape reading screen 30 for selecting product shape data, and selects three-dimensional CAD data (product model) corresponding to the product as follows. .
- the leftmost product shape reading button 31 of the plurality of buttons arranged below the product shape reading screen 30 is pressed.
- a dialog box for reading the product shape is displayed on the left side
- a dialog box for displaying the product shape (product model) corresponding to the selected 3D CAD data in wireframe format is displayed on the right side.
- Dimension view 33 is displayed.
- the product shape reading dialog 3 2 has a list box 34 for displaying a list of CAD files registered in the product shape database 1.
- a preview of the product shape corresponding to the selected sail 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 3D CAD data has shape information and color information (display color), and each shape information is added with attribute data regarding 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.
- the current directory is displayed in the directory display section 35 located above the list box 34 of the file list.
- a list of the files in the directory displayed in the directory display section 35 is displayed.
- Pressing the folder change button 36 displays a folder change dialog box (not shown). You can operate this dialog box 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 and Y directions are ⁇ • 33 Displayed on 3
- the product has a function called an automatic adjustment mode when generating an image of 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 6b on the menu selection main screen 8 shown in FIG. 4, and the material shape setting button 6b is turned on. Then, the screen is switched to a material shape setting screen as shown in FIG. 7, for example.
- This material shape setting process is mainly performed 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.).
- a material setting menu 9a is displayed in the material shape setting screen 9 shown in FIG. 7, a material setting menu 9a is displayed.
- Material Setup Menu 9 a is provided with the material database button 9 b, partial material setting button 9 c, the material model read button 9 d, Material Material setting button 9 e, edit button 9 f, the allowance change button 9 g.
- the material database button 9b is a button for performing an automatic material selection process 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 9 d is a button for reading material data registered in the material shape database 2 or arbitrary material data stored in the external storage device and setting the material shape.
- Material material setting button 9 e is used to set the material material manually. Button.
- the edit button 9f is a button for registering required material data in the material shape database 2 and editing the registered material data.
- the change button 9 g is a button for changing a set value of a chamfer margin described later. Pressing the material database button 9 b displays the material database dialog 300.
- the product shape / dimension display area 301 of the material database dialog 300 contains the maximum outer diameter X, Y, Z of the product shape determined by the product shape input processing executed in the previous step S100.
- the axial dimension is displayed.
- the material shape data registered in the material shape database 2 is displayed in a list in the material list 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. If the material shape (work type) is not specified, 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.
- the operator can sort the number, material material, material type (Type), outer diameter, inner diameter, and length items as appropriate to obtain the desired material data. Select When the desired material data is selected (the selected material data is highlighted), press the OK key 304 to select this highlighted material data, and the edge trimming dialog box 3 05 Opens.
- the selected material, material number, material material, material shape (work type), outer diameter, inner diameter, length, and chamfer allowance are displayed.
- the chamfer margin is O mm.
- the set value of the edge chamfer is determined by the end face machining that cuts off the material edge at the beginning of turning. This is the set value for the function. 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 the subsequent generation of the machining port durum Generated.
- FIG. 9 is a diagram for explaining the concept of edge processing.
- the material model WM is superimposed on the product model SM and arranged.
- the end chamfer allowance TM1 is the value set in the end chamfer allowance dialog box 305, and the end chamfer allowance TM2 on the other side is based on the material length and the product length and TM1. Is the value obtained by subtracting.
- 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 program origin P c of the product model determined by the product shape input process executed in the previous step S 100 (Pc set in advance during the product shape input process) Force ⁇ To the outer edge of the product model
- the respective distances in the direction perpendicular to the turning axis (Z-axis) of the product model are determined, and the longest distance Lmax is selected from the plurality of obtained distances (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 Lmax 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 as a list in the material list display area 302 of the material database dialog 300, and among the round bar data displayed in the list, Then, a round bar material having a radius equal to or larger than Lmax and a minimum diameter is selected (step S122).
- step S 1 2 2 Material data corresponding to the selected round bar material is highlighted on the material list display section 302 (step S124). If there is more than one selected round bar data, select the round bar material that is longer than the product model length and has the shortest length among these multiple round bar materials. (Step S123). Then, the material data corresponding to the selected one or a plurality of round bar materials is highlighted on the material list display section 302 (step S124).
- FIG. 13 the hexagonal rod element of the product model SM is set so that the program origin Pc of the product model SM is coincident with the center Po of one hexagonal bar material model WM (step S130).
- the direction perpendicular to the plane of the paper is the direction of the turning axis.
- each side of the hexagonal rod 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 S131).
- a plurality of hexagonal bar data registered in the material shape database 2 are displayed in a list in the material list display section 302 of the material database dialog 300, and, in the hexagonal bar data displayed in the list, the length of the opposite side (counter A hexagonal bar material having a distance between sides of 2 L max or more and a minimum opposite side length is selected (step S132).
- step S133 when only one hexagonal bar material is selected (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 displayed in the material list table. Highlighting is performed on the display section 302 (step S135).
- FIG. 15 to 18 The material shape setting screens shown in FIGS. 16 to 18 'do not operate in conjunction with the material shape setting screen 9 shown in FIG. 7, but are shown in FIGS. 16 to B18.
- the material shape setting screen shown in FIG. 7 and the material shape setting screen 9 shown in FIG. 7 are so-called different version screens.
- the appropriate button (corresponding to the edit button 9 ⁇ 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 three-dimensional CAD data as material data.
- the operator presses an appropriate button (corresponding to the element $ ⁇ model reading button shown in FIG. 7).
- an appropriate button corresponding to the element $ ⁇ model reading button shown in FIG. 7.
- a material shape generation dialog 40 shown in FIG. 16 is displayed.
- the material shape generation dialog 40 is registered in the material shape database 2 and the data input field 4 1 for inputting the material material, shape type (Work type), material outer diameter, material inner diameter, length, and edge cut margin
- a list box 42 for displaying the displayed data and a product dimension display column 43 for displaying the YZ dimensions of the product shape.
- 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, inner diameter input field 47, length input field 48, and edge chamfer input field 49 are composed of edit bottoms, and the required numerical values are input directly into the respective fields.
- the material shape input processing unit 11 uses the selected material and shape type as a keyword and sets the material shape database. Search 2 and extract the material data that matches the selected material and shape type from the many material data in the material shape database 2 and list 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, and the selected material data has the outer diameter, inner diameter, and length of the selected material data.
- the data in the outer diameter input field 46, inner diameter input field 47, and length input field 48 are automatically updated. 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 component boxes in the material input field 44 and the shape type input field 45 are opened and a list is displayed.
- the list of component boxes in the material input box 44 and the shape type input box 45 is open, for example, pressing the input key closes the list as shown in Fig. 17. La It is.
- the list is closed when the combo box loses focus.
- Focus moves between 4, 5, outer diameter input field 46, inner diameter input field 47, length input field 48, and chamfer margin input field 49.
- the focus is set to any of the 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 end chamfer allowance input field 49.
- the cursor movement key " ⁇ J key” the focus moves to the list box 42 of the material database as shown in Fig. 8.
- the focus is changed from the list box 42 of the material database to the original.
- the operator can manually set desired material data by inputting desired data into the data input field 41 of the raw-shape generation dialog 40 as appropriate.
- the input material data is automatically read from the material shape database 2 into the professional storage area, an image of the material corresponding to the read material data is generated, and the generated material shape is 3 Displayed on a dimensional view (not shown).
- the product shape display column 43 of the material shape generation dialog 40 has a product shape reflection button 5 for automatically selecting the smallest optimal material that can add the product shape selected by the operator. 0 is provided.
- the product dimension display column 43 the XYZ dimensions of the product shape that has been set in the product shape input processing 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 case, since the process of selecting the product shape has already been completed at this point, The entered dimensions of the product shape are displayed in the product dimension display column 43.
- 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 using the material and shape type as keywords, and material data matching the selected material and shape type is extracted from a large number of 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 that can include 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 includes an outer diameter input column 46, an inner diameter input column 47, a length input column 48, and an edge chamfer input column 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.
- 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 required part of the thickness and the thickness of the thickening are selected and designated by the operation from the displayed product model. Generates a model in which only the specified portion is thickened by the specified thickness, and registers the generated model as a material model.
- the product model displayed in 3D is the product model selected in the product shape input process in step S100.
- different color attributes are assigned to each surface, and each surface of the product model displayed in 3D as shown in Fig. 21 corresponds to the set color attribute.
- the colors are displayed. In this case, in the product model shown in FIG. 21, the surfaces Dl and D3 have the green color attribute set, and the surfaces D2 and D4 have the red color attribute set.
- the partial material setting dialog 51 has a color selecting section 51a, a stock setting section 51b, and an OK button 51c.
- the color selecting section 51a includes the product model. All the colors set as attributes are extracted and displayed. For example, the number of colors that can be set as attributes is 256 x 256 x 25,6, and when 20 colors are used to represent a product model, those 20 colors are displayed in the color selection section 51a. Is displayed. If only the color attributes of green (Dl, D3) and red (D2, D4) are set in the product model shown in Fig. 21, only two colors, green and red, will be displayed in the color selection section 51a. Is displayed.
- the operator selects a desired thickness from the plurality of colors displayed in the color selection section 51a.
- the desired surface of the product model is specified by selecting the color corresponding to the place (step S150), and the thickness value of the thickening is set in the clearance setting section 51b (step S1501). ), OK button, 5 1c, only the surface corresponding to the selected color of the product model displayed on the 3D display screen is set in the allowance setting section 5 1b. Only the thickness is increased (step S 15 2).
- Fig. 22 shows the product model shown in Fig. 21 in cross section (side view).
- 10 mm is set in the margin setting section 51b, and the OK button 51c is pressed, the surfaces D1 and D3 having the attribute of green become 1 Only O mm is applied as shown in FIG.
- 5 substitution is set in the margin setting section 51b, and the OK button 51c is pressed, the surfaces D2 and D4 having the red attribute are pressed.
- only 5 ⁇ is thick.
- step S154 it is determined whether or not there is an adjacent face between the thickened faces. If there is no adjacent thickened surface, the thickened model created by (repeating) the processing of steps S150 to S152 is registered and set as the material model (step S150). 1 5 7) o
- the connecting surface of the adjacent surface is defined as a curved surface such as an ellipse or a circle (solid line E 1 in FIG. 22) or a square-shaped square surface (see FIG. Displays a dialog (not shown) that allows the operator to select one of the lines E 2), and prompts the operator to select whether the connection surface is a curved surface or a corner surface.
- the 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.
- the adjacent thickened portions are connected as shown in FIG. 22 (step S156).
- the model thus thickened is registered and set as the material model (step 157).
- FIG. 23 shows a part of the product model displayed in 3D in the partial material setting mode. An example is shown.
- FIG. 24 is an enlarged view of a portion F in FIG.
- FIG. 25 shows the 'thickness model' to which the thick portions G1 to G4 are added.
- the color attribute is adopted as a display attribute for designating each side of the product model, and the surface to be thickened is selected according to the color attribute set in the product model.
- Each of the surfaces of the product model may be set as a display attribute using various fill patterns such as, and a surface desired to be thickened may be selected by selecting the plurality of fill patterns.
- the desired thickness can be designated by designating the thickness of each surface of the product model that needs to be increased and the thickness of the designated surface. Since a model is created and the created thickened model can be registered as a material model, it is possible to easily generate a material model used in, for example, machining of materials. .
- This jig setting process (mounting fixture setting process) is performed on the menu selection main screen 8 shown in Fig. 4. This is activated by turning on the fixture setting button 6c. When the fixture setting button 6c is turned on, the fixture setting is performed. For example, the fixture setting as shown in Fig. 26 The menu is switched to a menu 52, and a nail pattern selection tape holder 53 shown in FIG. 28 ′ and an attachment setting window 5 54 shown in FIG. 29 are displayed.
- This mounting 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 includes 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 and width of the chuck).
- NC control unit 20 The NC parameters ( ⁇ , inner diameter, width of the chuck) are obtained from 1 and the outer diameter, inner diameter, width, etc. of the chuck are displayed using the obtained NC parameters, and the operator selects 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 1st spindle pawl setting button 5 2d is a button for setting the 1st spindle (main spindle) pawl
- the 2nd spindle pawl setting button 5 2e is for setting the 2nd spindle (sub spindle) pawl. 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 2 ⁇ ⁇ ⁇ 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 of the first step is performed, so the first spindle pawl setting button 5 2 d is turned on, and any of the outer pawl selecting button 5 2 a and the inner pawl selecting button 5 2 b Or turn on.
- the jig setting processing unit 12 first determines the type (circle, square, hexagon, etc.) of the material end face shape from the material model determined in the material shape setting process of S101. Then, the dimensional data of the material model is obtained (Step S160).
- nail patterns (nail model patterns) displayed in the nail pattern selection table 53 shown in FIG. 28 are broadly 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.
- the nail pattern selection table 53 does not display all nail patterns, but corresponds to the selected one of the outer nail selection button 52a and the inner nail selection button 52b. Only nail patterns that are nail patterns and that correspond to the type of material end face shape of the material model are 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.
- step S1661 The operator selects and specifies a desired nail pattern from the displayed nail patterns (step S166). From this, the number of nails and the gripping points of the nails (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 in 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 the registered data of the 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 that shows registered nail shape height
- Nail length display area that shows registered nail shape length
- Registered nail shape Nail width display area that displays width
- Z-direction gripping area of registered nail shape is displayed
- X-direction gripping area of registered nail shape is displayed
- An X-direction grip margin display is provided. That is, the list display section 54a displays the shape data of the selected nail model for each nail number.
- the mounting fixture setting window 54 has a nail shape display ⁇ 4 b for identifying and displaying whether it is an outer nail or an inner nail, a grip diameter display section 54 c for displaying the grip diameter, and a selected nail number.
- the jig setting processing section 12 displays the selected nail number. Is displayed in the selected nail number display section 54d, the number of nails is displayed in the nail number display section 54e, and the gripping position coordinates and gripping diameter of the nail are calculated according to the procedure shown in Fig. 30. I do.
- the nail model TM is moved so that the selected nail model TM is determined in the previous material shape setting process and abuts against the end face of the material model WM (step S 170).
- the grip pattern of the nail model (whether it is gripped at a corner or a flat surface, etc.) and the shape data of the material model (outer diameter, inner diameter, length, end face length)
- the grip position coordinates that is, the grip diameter, at which the nail model TM grips the material model WM, are calculated on the basis of (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 5 4c, and the chuck model, the claw model and the material model are displayed while the claw model is holding 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 edit button 52 f or the gripping diameter / number of nails change button 52 c to open the edit dialog. Execute the editing process using the edit dialog.
- 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 arranged (overlaid) in the material model gripped by the first chuck model, and the difference between the superimposed material model and the product model is determined. Is set as a processing area, and this processing area is developed into various processing units in the subsequent step 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 placed at a predetermined position on the alignment screen 55, but the product model SM has the coordinates of the CAD data with respect to the origin of the CAD data. Is arranged at a position corresponding to. Therefore, usually, when the product model SM and the material model WM are displayed first, the positions of the product model SM and the material model WM do not match.
- the alignment processing unit 13 performs the alignment as shown in FIG. Execute the process.
- the alignment processing unit 13 detects the turning surface having the largest diameter among the 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 as Z, axis ( (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 center axis of rotation to the farthest point is the diameter of the turning surface.
- 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 directions, buttons for rotational movement in the X, Y, and Z 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 targets are the product shape (product model), the material shape (material model), the first chuck shape (first chuck model), and the second chuck shape (
- a shape selection check box 60 for selecting from among the second chuck model), a step amount input unit 61, a movement amount input unit 62, and a movement button 63 are provided.
- 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, and use the cursor movement keys "" or "" with the focus set to the step amount input section 61. If pressed, the shape movement process will be 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 model is stepped by specifying the step amount in the step amount input section 61, the model is moved 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 with the axis using the single shape movement button, and the end of the product model is positioned at the program origin. It is also possible to align the ⁇ axis of the product model with the material model, and use another button to position the ⁇ end face of the product model to the program origin.
- the product model is automatically arranged so as to overlap the material model held by the jig model, so that the operator does not have to manually calculate the position of the product model with respect to the material model. It enables efficient programming work.
- 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 division process in this case is to deal with machining with a two-spindle machine tool having two main spindles, the main spindle and the sub-spindle, and the machining area as the difference between the material model and the product model is determined.
- the division positions of the first step of machining with the main spindle and the second step of machining the machining area with the sub-spindle are 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 converted to the sub-spindle. After switching, in the second step, the material is gripped by the sub spindle and processed.
- step S150 the operator first selects whether the process is to be divided manually or automatically (step S150).
- the process destruction IJ processing unit 14 places feature points where the shape of the product model SM, such as vertices, holes, and ridges, change on the outer and inner diameter sides, respectively. Extract (step S 191). Then, the process division processing unit 14 displays the extracted characteristic points on the outer diameter side and the inner diameter side as candidates for the process division on the screen (Step S192).
- 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 displayed for each of 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. Note that if there are no special points, the position where a predetermined margin has been added to the jaw gripping margin in the first step should be performed in order to perform a large amount of processing in the first step where more stable processing can be performed. It is displayed on the screen as a candidate for process division.
- the operator refers to the displayed plurality of process division candidates and selects and designates a desired process division location for each of the inner diameter and the outer diameter (step S193).
- the process division processing unit 14 calculates the coordinate position on the product model SM of the selected and designated process division location (step S194). In this way, the process division position is determined (step S156).
- FIG. 40 is a diagram showing a half cross section of a model where a process division is designated.
- 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 step and the second step at the process division position ⁇ 5, and the inner diameter side is divided into the first step and the second step at the step division position 66. .
- Milling points 6 7 located on the first process side belong to the first process, and the second process side
- the milling location 69 located in the second step 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 gripping length of the nail in the first step, La, is calculated, and the length (La + o, which is the sum of the gripping length of the nail, La and a predetermined margin value, is calculated (step S 195), only the calculated value (L a + h) is determined as a process division position at a position apart from the Z end face of the material model WM on the chuck side (step S 196).
- the region on the distal side from the divided position is defined as a first process region for processing in the first step, and the region on the proximal side (on the chuck side) from the divided position is defined as a second process region for processing in the second process.
- the margin value a is changed according to the length of the product model or the material model in the ⁇ direction.As the margin value ⁇ , there are several different values depending on the length of the material model in the ⁇ direction. It is set in advance.
- FIG. 41 Another embodiment of the process for automatically determining the process division will be described with reference to FIGS. 41 and 42.
- Fig. 42 (a) shows the product model SM positioned on the material model WM.
- the process division processing section 14 obtains a material model in which the front and back side machining regions removed by the end face processing are deleted from the material model WM.
- FIG. 42 (b) shows the concept, in which the machining area Q1 on the front side and the machining area Q2 on the back side are removed from the material model WM. That is, the front side machining area Q 1 and the rear 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 set edge chamfer value.
- FIG. 42 (b) shows the concept, in which the machining area Q1 on the front side and the machining area Q2 on the back side are removed from the material model WM. That is, the front side machining area Q 1 and the rear 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
- the process harm ij processing unit 14 uses the shape data of the material model from which the edge chamfer is removed and the shape data of the product model.
- the turning area in the material model is divided into the turning area on the outer diameter side and the turning area on the inner diameter side, and the divided outer turning area volume Va and inner diameter side are divided.
- the volume Vb of the turning area is determined (step S201).
- the process damage ij processing unit 14 divides the volume Va of the outer diameter side turning processing area into two]
- the position in the Z direction at which the volume V a 1 of the outer turning area on the outer diameter side in the process and the volume V a 2 of the outer turning area on the second step are equal is the process division position on the outer diameter side.
- the process division processing unit 14 calculates the position in the Z direction at which the volume Vb of the turning area on the inner diameter side is divided by 1 Z2, that is, the volume Vb1 of the turning area on the inner diameter side in the first step.
- the Z position that bisects the turning area on the outer diameter side is the process division position on the outer diameter side
- the Z position that bisects the turning area on the inner diameter side is the inner diameter.
- 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 process is mainly executed by the jig setting processing unit 12 in Fig. 1. Is done.
- 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. By performing the 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, using the shape data of the product model SM, a material model WM ′ after finishing the first process is created, and using the created material model WM, The same process as the first process jig setting process described in the previous step S102 is performed 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 6 # on 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 processing, the processing work of both the first process and the second process is developed for each processing unit.
- the default of the order of automatic process development in the case of combined machining is turning ⁇ surface addition ⁇ point machining ⁇ chamfering, and this order can be arbitrarily set by the operator.
- turning, face milling and chamfering are omitted, and it is possible to set a rule that develops only the point milling process.
- 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 ⁇ outer diameter machining of the bar ⁇ turning drill ⁇ inner diameter machining of the bar, and end machining ⁇ turning drill ⁇ inner diameter machining of the bar ⁇ outer diameter machining of the bar j But it is possible.
- the process of surface masking is performed in ascending order of processing depth.
- point machining a cylindrical shape or a cylindrical shape + conical shape is developed into a drill, and two cylindrical shapes + conical shapes with different diameters are developed into a seat.
- the CAD data is accompanied by machining attribute data, it can be expanded to tap, reamer, boring, and Xing-en.
- 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 holes are machined in the order determined by each of the classified shape sequences. This will improve the efficiency of point machining.
- the hole diameter value is compared with a threshold value, and it is determined whether to perform point milling or bocket milling based on the comparison result. Execute one of them.
- the threshold value of the diameter value can be set arbitrarily.
- 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.
- the area 71 is first subjected to turning drilling, and then the area 72 is subjected to turning inside diameter processing.
- the area 73 is turned inside.
- Each of these areas 71, 72, and 73 is one processing unit.
- FIG. 47 is a diagram showing a procedure for automatically deploying a tool sequence.
- a finish allowance is developed to determine a finish allowance according to the finish symbol or the like of the CAD data (step S210).
- a tool type development is performed to determine how many tools are to be used to process each of the developed parts in the process (step S211).
- a tool determination process ′ for selecting an optimal tool for each processing location from the tool database is performed (step S212).
- the cutting conditions corresponding to the tool are determined (step S213).
- Step S109 This program development processing is started by turning on the program generation button 6h of 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. In this program development process, the combination of multiple processing units developed in the process
- an NC creation program for the first and second processes is created in a predetermined language.
- 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.
- This undeployable shape editing process performs an editing operation to convert an undeployable shape, which could not be automatically unfolded to the machining unit in the previous process unfolding process, into any machining unit.
- Non-deployable shapes include curved surfaces, shapes that require machining with special tools, shapes that are not in the machining unit of the NC creation program created by this automatic port, taper portions of tapered pockets and the top and bottom surfaces There is an R section and an R section of the pocket with a bottom fillet, a fillet section and the upper part.
- the undeployable shapes that could not be automatically unfolded to the machining unit are undeployable shapes 8 1, 8 2 in the machining shape pulley section 80 where the machining ut is hierarchically displayed as shown in Fig. 48 (a). Is displayed.
- 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.
- Step S1 1 Program editing (Step S1 1 1) 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. In this program editing process, the created NC creating program is edited.
- the created NC creating program includes a plurality of machining units and machining programs corresponding to each machining unit.
- the program edit screen 84 includes a part of the machining shape 80Z, a program tree section 85, a three-dimensional display section 86, an editor section 87, and a menu display section 91. Have.
- the machining shape tree section 80 displays machining unit names hierarchically in a tree format.
- the program tree section 85 displays the machining programs for each machining unit hierarchically in a tree format.
- a product model and a Z or material model are three-dimensionally displayed in a wire frame or the like.
- the processing unit data shape sequence No. indicating the additional shape
- the processing unit data shape sequence No. indicating the additional shape
- the program name selected in the program tree section 85 in Fig. 54, the same as the processing unit name
- the machining program corresponding to (with the program name) is displayed.
- the cursor is positioned at the beginning of the machining unit data or machining program corresponding to the machining unit selected in the machining shape part 80 or the program part 85.
- FIG. 50 shows the highlighting processing by the program editing processing section 18.
- machining unit name in the machining shape edge section 80 and enter it in the editor section 87.
- machining unit data such as a shape sequence is displayed, or one machining program name is selected in the program tree section, 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 (highlight display) (step S221).
- the processing unit corresponding to the cursor position is highlighted in the three-dimensional display unit 86, so that it is possible to determine at a glance which processing unit the cursor position corresponds to, and to perform editing work. And editing errors are reduced.
- the shape selected in the three-dimensional display unit 86 can be inserted as a shape sequence at 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
- coordinate values are to be obtained is selected with a mouse or the like on the three-dimensional display unit 86.
- the selected face 90 is highlighted on the three-dimensional display section 86 as shown in FIG. 51 (b).
- the shape selected on the three-dimensional display unit 86 can be inserted as a shape sequence at the cursor position of the editor unit 87, editing work such as undeployable shapes can be efficiently performed.
- 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. You may make it.
- This insertion function can be used when the processing unit program is destroyed due to an erroneous operation or the like, and the program conversion can be performed for each processing unit. This function is performed as follows.
- the name of the machining cut to be inserted is selected in the machining section 80 (see Fig. 54).
- select the machining program name (the machining unit name and machining program name match in the case of FIG. 54) following the entry position in the program tree section 85.
- 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 section 85.
- step S240 when the “unit input button” (not shown) on the menu display section 91 of the program edit screen 84 is pressed (step S240), the machining cut name selected in the machining shape pulling section 80 is displayed.
- the machining program name corresponding to the machining unit name is entered before the machining program name selected in the program tree section 85 in machining unit units, and the machining program name corresponding to the machining unit name selected in the machining shape section 80 is selected. Is inserted in machining unit units before the cursor position in the editor section 87.
- the machining program name and the 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 in units of machining units. Editing work can be performed efficiently, for example, when the machining program is broken.
- the next program name may be selected first in the program tree section 85, and then entered.
- the processing unit name may be selected in the processing shape selection section 80.
- the automatic pro according to the first embodiment is an automatic pro applied to a two-spindle machine tool having two main spindles of a main spindle and a sub-spindle installed so as to face the main spindle.
- the form 2 automatic pro is a two-spindle machine tool with two main spindles, a main spindle and a sub-spindle, and a one-spindle machine with only a main spindle. It is.
- the machining in the first step and the machining in the second step can be performed continuously using the main spindle side and the sub spindle side. For this reason, in this automated professional, one program for continuously executing the processing of the first step and the processing of the second step is generated.
- the automatic professional in order to perform machining in the first step and machining in the second step only with the main spindle, after machining in the first step, the material is reversed and replaced on the main spindle side. Perform the second step processing. For this reason, the automatic professional generates two machining programs, a machining program for the first process and a machining program for the second process.
- 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 will be executed. That is, in the case of a 1-spindle machine tool, the first step is to hold and process one end of the material model with the first spindle machine, and the second step is to hold the other end of the material model with the first spindle machine. Processing is performed by gripping.
- 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 Automatic programming device for creating a machining program
- the main spindle program creation unit 3 3 1 and the main spindle machine 1 and the main spindle machine are determined.Based on the determination result, the main spindle program creation units 3 3 0 and 2 A determination section 340 for activating any one of the spindle program creation sections 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 pro is started for the first time, the operator registers in an interactive manner using an appropriate dialog whether or not the machine tool to be controlled has a sub-spindle.
- the judgment unit 340 refers to the identification information stored at the time of starting the program after and determines whether or not the controlled object has a sub spindle. Determine.
- 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 a main spindle and a sub-spindle as a control object.
- 1st software (2 spindle program creation section 3 3 1) and NC creation to create an NC program for machining products from raw materials with 1 spindle machine tool having a main spindle as the control target
- a second software (1 spindle program creation section 330) that creates a program for use.
- the judgment section 340 controls the machine tool to be controlled by 1 spindle machine tool and 2 spindle machine. By judging whether the machine is a spindle machine tool, one of the first and second software is started. Of course, these first and second software have many shared parts.
- steps S100 to S109 is executed by the first software (see FIG. 2).
- the first process and the second process are simultaneously developed in steps S107 and S108, so that the created NC creating program includes the first process program, the material transfer program, and the second process. It has a 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, so in the second process, the product shape input process in step S100 and the material shape setting process in step S101 are omitted. This allows efficient program creation.
- step S401 a product shape input process similar to step S100 is performed (step S401), and a material shape setting process similar to step S101 is performed (step S402).
- step S401 a process similar to step S102 is performed.
- step S403 A jig setting process is performed (step S403), then a positioning process similar to step S103 is performed (step S404), and then a process division process similar to step S104 is performed. Is performed (step S405).
- step S406 the process development and tool selection for only the first process are executed.
- step S407 program development of only the first process is executed.
- step S408 the material model is inverted by 180 degrees, and is again gripped by the chuck model of the main spindle (step S408).
- step S409 a second step (second step) jig setting process similar to step S105 is performed (step S409), and then a positioning process similar to step S106 is performed (step S410).
- step S411 the process development and tool selection for only the second process are executed (step S411).
- step S412 the program development of only the second process is executed (step S412).
- an NC creation program consisting of two programs, the first process program and the second process program, is created.
- the sub-spindle has a force on the machine tool to be controlled.
- the automatic spindle for the one spindle machine and the automatic door for the two spindle machine are determined.
- main spindle and sub-spindle which can be applied to both the main spindle and the main spindle. Pro can be provided. Industrial applicability
- the automatic programming method and apparatus according to the present invention are used to control 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 for creating NC programs for creating NC programs.
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Abstract
Description
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JP2005511382A JP4286837B2 (ja) | 2003-07-04 | 2004-06-30 | 自動プログラミングにおける素材選択方法および装置 |
US10/563,321 US7487006B2 (en) | 2003-07-04 | 2004-06-30 | Automatic programming method and automatic programming apparatus |
EP04747057A EP1643329B1 (en) | 2003-07-04 | 2004-06-30 | Automatic programming method and device |
TW093119974A TWI251135B (en) | 2003-07-04 | 2004-07-02 | Automatic programming method and device |
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CN109416528A (zh) * | 2016-08-23 | 2019-03-01 | 三菱重工业株式会社 | 原材料形状的确定方法、加工方法、原材料形状的确定系统及原材料形状的确定程序 |
JP2018033587A (ja) * | 2016-08-30 | 2018-03-08 | 株式会社ジーシー | 加工演算プログラム、加工演算装置、及びcad/camシステム |
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