WO2005003872A1 - 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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- WO2005003872A1 WO2005003872A1 PCT/JP2004/009595 JP2004009595W WO2005003872A1 WO 2005003872 A1 WO2005003872 A1 WO 2005003872A1 JP 2004009595 W JP2004009595 W JP 2004009595W WO 2005003872 A1 WO2005003872 A1 WO 2005003872A1
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- 239000000463 material Substances 0.000 claims abstract description 391
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- 238000011165 process development Methods 0.000 claims description 19
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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
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- 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 material, a product shape, a material shape, and the like.
- the present invention relates to an automatic programming method and apparatus applicable to both a two-spindle machine tool having a main spindle and a single-spindle machine tool having only a main spindle. Background art
- an automatic programming device (hereinafter, abbreviated as an automatic programmer) is often employed.
- 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 machining model data are stored.
- Tool path data, virtual work shape data after each process is completed, and the generated process Machining work information is generated based on data, material data, tool path data, and virtual workpiece shape data.
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-'26687178
- a machining path for machining a workpiece is created based on three-dimensional CAD data of a part
- Extract machining information for all machining sites in the shape indicated by the 3D CAD data edit the extracted machining information, determine the machining process, and create a machining path based on the determined machining process
- a two-spindle machine tool having a first headstock (main spindle) and a second headstock (sub spindle) installed opposite to the first headstock. And one-spindle machine tools that have only the main spindle. Machining using a two-spindle machine tool with a first headstock and a second headstock can perform more efficient machining than a one-spindle machine tool. Some users only have machine tools. For this reason, automatic professionals are required to have a function to perform automatic process development for users who do not have such power as one-spindle machine tools.
- Patent Document 3 Japanese Patent Application Laid-Open No. 2-62063
- an operator performs processing in either a first step using a first headstock or a second step using a second headstock. Whether each specified machining area can be machined only in the first step, can be machined only in the second step, or is a machining area that cannot be machined without going through the first and second steps. • It is determined whether there is any, and processing is performed based on this determination result.
- Patent Document 3 describes that each processing portion can be processed only in the first step, can be processed only in the second step, or can be processed unless it is processed through the first and second steps. It is merely disclosed that it is determined whether or not the part is an impossible machining part.
- this method can be applied to either a one-spindle machine tool or a two-spindle machine tool. No automatic programming can be performed.
- the present invention has been made in view of the above, and is applicable to any of 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.
- the purpose of the present invention is to obtain an automatic programming method and device for two spindles. Disclosure of the invention
- a two-spindle machine having first and second spindles and a one-spindle machine having only the first spindle are to be controlled, and a machining area determined using a material model and a product model is added by an NC device.
- An automatic programming device for creating a machining program for performing a machining process the first machining program creating means for creating a machining program for a spindle machine, and the machining program for a spindle machine.
- the machine tool to be controlled is a two-spindle machine or a one-spindle machine.
- One of the automatic pros is operated, so either a two-spindle machine tool with two main spindles, a main spindle and a sub-spindle, or a single-spindle machine with only the main spindle. Can also provide an applicable auto pro.
- FIG. 1 is a block diagram showing a configuration of an automatic programming device
- FIG. 2 is a block diagram showing an NC device in which the automatic programming device is stored
- 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. Fig. 6 shows the product shape reading
- FIG. 7 is a diagram showing an example of a material shape setting screen
- FIG. 8 is a diagram showing an example of data stored in a material shape database
- FIG. 10 is a diagram showing the relationship between the end face turning and the end chamfer allowance set value.
- Fig. 10 is a flowchart showing the automatic selection process procedure of the round bar material model;
- Fig. 11 is FIG. 10 is an explanatory diagram of the automatic selection processing procedure of FIG. 10.
- FIG. 12 is a flowchart showing the automatic selection processing procedure of the hexagonal bar material model.
- FIG. 13 is an automatic selection processing procedure of FIG.
- FIG. 14 is an explanatory diagram of a procedure.
- FIG. 14 is a diagram showing an example of a material shape setting screen for explaining another selection processing procedure of a material model.
- FIG. FIG. 16 is a flowchart showing a selection processing procedure.
- FIG. 16 shows a diagram of a material shape generation dialog box.
- FIG. 17 is a diagram showing a display mode of a material / material input column
- FIG. 18 is a diagram showing a focus shift between a data input column and a list box of a 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. 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
- FIG. 24 is a partially enlarged view of FIG. 23
- FIG. 25 is a view showing a model after a partial material setting process of the product model of FIG. 24.
- FIG. 27 is a flowchart showing an operation procedure of a fixture (jig) 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 a diagram showing an example of a fixture setting window.
- Fig. 31 is a flowchart showing the procedure for calculating the gripping diameter.
- Fig. 31 is an explanatory diagram of the concept of the gripping diameter calculation.
- Fig. 32 shows the automatic alignment process between the product model and the material model.
- FIG. 33 is a flow chart, FIG. 33 is a diagram showing the display contents of an alignment screen for performing an automatic alignment process of the product model 'and the material model, and FIG.
- FIG. 34 is a drawing showing a turning surface and a turning surface.
- FIG. 35 is a diagram showing a Z flip process
- FIG. 36 is a diagram showing a shape move menu
- FIG. 37 is a diagram showing a shape move dialog
- Fig. 38 shows
- FIG. 39 is a flowchart showing 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 half sectional view of a model in which a process division point is specified.
- FIG. 41 is a flowchart showing another example of the automatic processing of the process division.
- FIG. 42 is a flowchart illustrating the concept of the automatic processing of the process division shown in FIG.
- FIG. 43 is a diagram for explaining the fixture setting process in the second step, and FIG.
- 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 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 flowchart showing an editing process for an undeployable shape.
- FIG. 5 1 Figure is a diagram illustrating a process of inserting the cursor position in the editor unit selected shape the three-dimensional display section as the shape sequence
- 5 2 drawing is a flow chart showing the shape sequence insertion processing
- FIG. 53 is a diagram showing a state where a shape sequence has been inserted into the editor section
- FIG. 54 is a diagram showing a program editing screen
- FIG. 55 is a diagram 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. 57 is a flowchart showing an operation procedure of the automatic programming device according to the second embodiment. It is.
- 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 “auto-pro”) 1.0 is directly related to product shape and material shape);
- An NC creation program for creating an NC program for machining a product from a material (work) by interacting with the operator using various types of data such as product shape data and material shape data that have been imported.
- the software is used as a basic component, and this automatic program 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 must be applied to both machine tools with two main spindles, main spindle and sub spindle, and two main spindle machine tools without main spindle. Can be. However, in the first embodiment, a description will be given of an automatic machine applied to a two-spindle machine tool having two main shafts, a main main shaft and a sub-shaft. 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.
- the automatic pro 100,0 is used for turning work to rotate and round a work, boring to rotate a work to make a hole, and milling and surface processing to fix a work and rotate by turning a cutting tool. It can be applied to machine tools that perform 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 registers and stores a plurality of product shape data represented by three-dimensional 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 '1 3, and a process division. It consists of a 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 also stores a 3D solid 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 model data, and processing such as displaying the selected material shape data in three dimensions is performed. I do.
- 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 claw, 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 the first check in the first process (process performed by the main spindle). A process of automatically arranging the product model in the material model held by the tool is performed. Further, the alignment processing unit 13 performs a process of automatically arranging the product model on the material model held by the second chuck in the second process (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 one main spindle with only the main spindle This is to perform a process division process at the time of processing in.
- 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 machining is performed, and the other end of the material model is gripped with the main spindle and machining.
- the division position from the second step to be performed 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 mode, which consist of turning, point machining, face machining, face milling, etc., using the same spindle and the same tool for continuous machining. Perform processing to disassemble into processing units where processing is performed (hereinafter referred to as processing units).
- the tool selection processing unit 16 performs a tool determination process for selecting an optimal tool for each processing location (machining butt) 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 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 the processing unit in the process unfolding process, into some processing cut.
- the program edit processing section 18 edits the created NC creating program.
- the automatic processor 100 is connected to the NC device 200 via the communication interface 23. However, as shown in FIG. It may be incorporated in the device 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 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 power unit deployed on 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 includes product shape setting button 6a, material shape setting button 6b, fixture setting button 6c, alignment button 6d, process division button 6e, unit development button 6 ⁇ , unit edit button It is equipped with 6 g and a program generation button 6 h.
- 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 material 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 6 e is a button for shifting to the process division mode. In the process division mode, the setting of the division position between the first process and the second process is performed.
- Unit deployment button (process deployment button) 6 f is a button for shifting to unit / unit deployment mode. In unit deployment mode, the processing unit is automatically deployed from the set information.
- 'Unit edit button 6 g is a button for shifting to the cut edit mode. In the unit edit mode, the developed machining unit is edited.
- 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 has a menu switching button 6k. By operating the menu switching button 6k, the menu display / operation unit 6 has another display as shown in FIG. The operation 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 7f is a button for displaying the displayed 3D shape so that the entire shape can be entirely fitted 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 line with respect to the displayed 3D shape.
- the front button 7h, rear button 7i left button 7j, right button 7k, flat button 71, and bottom button 7m are used to display the displayed 3D shape, front view, rear view, left side Buttons 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, and the second spindle 3D display button 7 p is displayed. This button is used to display the 3D shape in the direction viewed from the second main axis.
- 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 jig setting Process (Step S102) ⁇ Alignment process (Step S103) Process division process (Step S104) ⁇ Second process jig setting process (Step S105) ⁇ Alignment process (Step S106) ⁇ Process development Processing (Step S107) ⁇ Tool automatic setting processing (Step S108) — Program development processing (Step S109) ⁇ Undeployable shape editing processing (Step S1 10) ⁇ Program editing processing (Step S111) Each step is performed in order. Hereinafter, each step will be described in detail.
- This product shape input processing is started by turning on the product shape setting button 6a of the menu selection main screen 8 shown in FIG. 4, and the menu selection main screen shown in FIG.
- the product shape setting button 6a of 8 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 3D CAD data (product model ') corresponding to the product as follows. I do.
- the leftmost product shape reading button 31 of the plurality of buttons arranged below the product shape reading screen 30 is pressed.
- a dialog 32 for reading the product shape is displayed on the left side, and a 3D shape for displaying the product shape (product model ') corresponding to the selected 3D CAD data in the wireframe format is displayed on the right side.
- View 33 Power S is displayed.
- the product shape reading dialog 32 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 file is displayed on the three-dimensional view 33.
- the dimensions of the product in the XYZ directions are displayed on the three-dimensional view 33.
- Each 3D CAD data has shape information and color information (display color).
- the CAD data includes color information (display color), it is possible to identify the finished surface roughness etc. by the display color.
- the current directory is displayed in the directory display section 35 located above the file list list box 34.
- a list of files in the directory displayed in the directory display section 35 is displayed in the list box 34. If you press the folder change button 36, a dialog box (not shown) for folder change is 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 33.
- 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.
- the product shape database 1 As an area for the product shape database 1, one or more directories are provided inside the computer or in the gadget, 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, and the material shape setting button When 6b is turned on, the screen switches to, for example, a material shape setting screen as shown in FIG.
- This material shape setting process is mainly performed by the material shape input processing unit 11 shown 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.
- the material setting menu 9a has 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 a material automatic 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 read button 9d 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.
- the material material setting button 9 e is a button for manually setting the material material.
- the edit button 9f is a button for registering required material data in the material shape database 2 and for 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 9b displays the material database dialog 300.
- the product shape / dimension display section 301 of the element database dialog 300 contains the X, Y, and X, Y, of the maximum shape of the product shape determined by the product shape input processing executed in the previous step S100. Displays the dimension in the Z-axis direction.
- the material shape data registered in the material shape database 2 is displayed in a list in a material list display section 302 of the material database dialog box 300.
- the material with 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. It is.
- 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 minimum diameter including the outer diameter of the product is selected from the round bar material data. Is highlighted.
- the material type work type
- the material with the smallest diameter that includes the product outer diameter is selected from all material shape data registered in the material shape database 2 such as round bar material, square bar material, and hexagonal material. Is done.
- the operator can sort the number, material material, material type (Type), 3 ⁇ 4, inner diameter, and length items as appropriate to obtain the desired material data. select.
- the desired material data is selected (the selected material data is highlighted)
- the edge chamfer margin dialog 3 05 displays the material number, material material, material shape (work type), outer diameter, inner diameter, length, and chamfer allowance for the selected material.
- the chamfer allowance is 0 thigh.
- the set value of the edge chamfer is a set value for the end face machining 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 for removing the set chamfer margin by turning during the subsequent generation of the machining program A program is 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 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 process of automatic selection when 'Material database button 9b is pressed. This shows the procedure, in this case the procedure when a round bar is specified as the material shape.
- step S120 From the program origin P c of the product model determined by the product shape input processing executed in the previous step S100 (preset at the time of the product shape input processing) 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 obtained, 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 P c for a plurality of points P Wl to PWi on the outer edge of the product model SM are obtained, and these distances are determined. 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 in a list in the material list display section 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 not less than Lmax and a minimum diameter is selected (step S122).
- Step S122 when the number of the selected round bar materials is one (step S122), the material data corresponding to the selected round bar material is highlighted in the material list display area 302 ( Step S 1 2 4). 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 S 1 2 3). Then, the material data corresponding to the selected one or a plurality of round bar materials is highlighted in the material list display section 302 (step S124).
- each side of the hexagonal bar material model WM is translated until it touches the product model SM, and each of the parallel-translated line segments La 1 to; La 6 and the turning axis between the program origin SM of the product model SM and the origin P c Find the distances L1 to L6 in the direction perpendicular to. 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 on the material list display section 302 of the material database diagram 300, and the hexagonal bar data displayed in the list are displayed. Then, a hexagonal bar material having a minimum opposite side length whose opposite side length (distance between opposing sides) is 2 L max or more is selected (step S1332).
- the material data corresponding to the selected hexagonal bar material is highlighted in the material list display area 302. (Step S135).
- a hexagonal bar material having the shortest length that is equal to or longer than the length of the product model is selected from among the plurality of hexagonal bar materials (step). S1 3 4).
- the material data corresponding to the selected one or more hexagonal bar materials is highlighted in the material list display section 302 (step S135).
- FIG. 15 to 18 Another embodiment of the input setting process of the material model will be described with reference to FIGS. 15 to 18.
- FIG. 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 18.
- the material shape setting screen and the material shape setting screen 9 shown in FIG. 7 are so-called different versions of the screen.
- the 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. Further, it is also possible to input three-dimensional CAD data as raw material data to the raw shape database 2.
- the material shape generation dialog 40 is registered in the material shape database 2 with 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, Y, and Z 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 end face replacement input box 49 are composed of edit boxes, and the required numerical values are input directly into the respective fields.
- the operator inputs the required material and material in the material input box 44 and the shape type input box 45.
- the material shape input processing unit 11 searches the material shape database 2 using the selected material and shape type as a key, and selects from a large number of material data in the material shape database 2. Material data that matches the extracted material and shape type is extracted, and the extracted material data is displayed in a list box 42 in a list.
- 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 by a mouse or other pointer, but it also has the following short cut function. That is, when the material / material input field 44 and the shape type input field 45 have focus, for example, if the cursor “moving key” “ ⁇ ” or “” is pressed, as shown in FIG.
- the combo boxes of the material input field 44 and the shape type input field 45 are 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 edge cut allowance input Focus moves between columns 49. Also, the focus is on any one 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 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 4 2 of the material database, enter the Carrying Movement Key “-” key.
- the operator inputs desired data into the data input field 41 of the material shape generation dialog 40 as needed, so that the operator can manually input desired material data. Can be set.
- 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 XYZ dimensions of the product shape that has been set in the product shape input processing in step S100 are displayed.
- step S140 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 raw data matching the selected material and shape type among a large number of material data in the material shape database 2 is extracted (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 to select a material with this minimum dimension Uses the method described in FIGS. 10 and 12.
- the material shape input processing unit 11 sets the diameter input field 46, the inner diameter input field 47, the length input field 48, and the edge chamfer input field 49. Each data is updated with the value 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 shown in FIG. 5 will be described with reference to FIGS. 19 to 25.
- the product model is displayed at the time of material selection, and the operator needs to select and specify the part requiring thickening and the thickness of the thickening from the displayed product model. Generate a model with only the specified part thickened by the specified thickness, and register 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.
- 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 the attribute is 256 ⁇ 256 ⁇ 256, and when the 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 (D1, D3) and red (D2, D4) are set in the product model shown in FIG. 21, only two colors, 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 place where the thickness is desired from a plurality of colors displayed in the color selection section 51a (step S150). Then, set the thickness of the thickening in the allowance setting section 51 b (step S 1 51), and press the OK button 51 c to change the color of the product model displayed on the 3D display screen to the color selected above. Only the corresponding surface is thickened by the set allowance set in the allowance setting part 51b (step S152).
- FIG. 22 shows the product model shown in FIG. 21 in a sectional (side) state.
- the color selection section 51a 10 mm is set in the allowance setting section 51b, and the OK button 51c is pressed S, the surfaces D1 and 03 having the green attribute are only 10 colors, As shown in FIG. 22, it is thickened. Further, green is selected in the color selection section 51a, When 5 mm is set in the allowance setting section 51b and the OK button 51c is pressed S, the surfaces D2 and D4 having the red attribute are made thicker by 5 s.
- 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 in (the repetition of) the processing of steps S150 to S152 is registered and set as the material model concerned (step S15). 1 5 7).
- 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 (dashed line E in FIG. 22).
- 2) Display a dialog (not shown) that allows the operator to select one of the two methods, and prompt 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 corner surface.
- the adjacent thickened portions are connected as shown in FIG. 22 (step S156).
- the thickened model is registered and set as the material model (step S157).
- FIG. 23 shows an example of a part of the product model 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 with thickened portions G1 to G4 added.
- the color attribute was adopted as the display attribute for specifying each surface of the product model, and the surface to be thickened was selected according to the color attribute set in the product model.
- Various fill patterns such as touching 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.
- a surface to be thickened may be selected by operating an input device such as a mouse, and a margin may be set for the selected surface.
- the desired thickness is specified 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 generalized 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 for machining a material or the like.
- 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.
- the fixture setting button 6c When the fixture setting button 6c is turned on, the fixture setting is established.
- the fixture setting menu as shown in Fig. 26
- the menu is switched to 52, and the nail pattern selection tape holder 53 shown in FIG. 28 and the fixture 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 on 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, and width of the chuck).
- the NC parameters (the outer diameter, inner diameter, and width of the chuck) are obtained from the NC controller 201, and the obtained NC parameters are used to determine the chuck diameter, inner diameter, and width. Is displayed, and the operator is allowed to select a 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. These are in an exclusive relationship, and when one is in the selected state, the other is in the non-selected state.
- Grasp diameter 'number of claws change button 5 2 c is a button for changing the grip diameter and the number of claws.
- the first spindle pawl setting button 52d is a button for setting the pawl of the first spindle (main spindle)
- the second spindle pawl setting button 52e is a button for setting the second spindle pawl. This button is used to set the nail of the main spindle (sub spindle).
- 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 first spindle pawl setting button 5 2 d is turned on, and the outer pawl selecting button 5 2 a and the inner pawl selecting button 5 2 b are set. Turn on something.
- 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).
- nail patterns (nail model patterns) displayed on the nail pattern selection tape 3 shown on page 28 are roughly divided into outer nail patterns and inner nail patterns, and the types of material end face shapes (circles, squares) , Hexagons, etc.), nail placement patterns (number of nails, gripping points of nails (corners gripped, flats gripped)), etc.
- 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 corresponding to the type of the material end face shape of the material model are displayed. For example, when a square pillar model is set, only the three nail patterns in the middle row of the nail pattern ⁇ shown in FIG. 28 are displayed (step S1661). The operator selects and specifies a desired nail pattern from the displayed nail patterns (Step S162). 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. Displayed in the list display section 54 a of the window 54 (step Step SI 63). For example, when a nail pattern of square_four nails-one-plane gripping is selected, only the registered data of the nail model corresponding to the selected pattern is displayed on the list display section 54a;
- the list display section 54a has a nail number display section (nail No.) for displaying the registered nail number of the registered nail model, and a nail for displaying the name of the registered nail shape (nail model). Name display area, Nail height display area that shows registered nail shape height, Nail length display area that shows registered nail shape length, Nail shape that has been registered The width of the fingernail is displayed, the registered nail shape's gripping margin in the Z direction is displayed, the Z-direction gripping margin display part, and the registered nail shape's gripping margin in the X direction are 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 fixture setting window 54 includes a claw shape display section 54 b that indicates whether the nail is an outer nail or a claw, a grip diameter display section 54 c that indicates the grip diameter, and a selected nail number. Is displayed, the number of nails display section 54 e that displays the number of nails of the selected nail pattern, the selected chuck model, the selected nail model, and the selected nail number are displayed. And a fixture display section 54f for displaying the material model in a cross section or three-dimensionally.
- 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 is moved so that the selected nail model TM comes into contact with the end face of the material model WM determined in the previous material shape setting process (step S170), Based on the shape data of the nail model, the gripping pattern of the nail model (whether to grab at a corner or a flat part, etc.) and the shape data of the material model (outer diameter, diameter, length, end face length) And the nail model TM grips the material model 'WM The gripping position coordinates, that is, the gripping diameter are calculated (step S1771).
- 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 is the material model WM. Move the claw modenole TM so that it touches the inside diameter of the end face.
- the jig setting processing unit 12 calculates the force.
- the grasped diameter value is displayed on the grasped 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. S165).
- the material model is placed on the first jig model (in this case, the first chuck and the claw).
- the nail edit button 5 2 f or the gripping diameter / nail number change button 5 2 c to open the edit dialog.
- the editing process is performed using the editing 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 held by the first chuck model, and the difference between the material model and the product model that are overlapped is arranged. Is set as the machining area, and this machining area is In the expansion process, the data is expanded into various processing units.
- both the product model SM and the material model 'WM created in the previous processing are displayed on the positioning screen 55.
- the material model WM is displayed in a state where the material model WM 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 No. ZG.
- the material model WM gripped by the first jig model ZG is the force placed at a predetermined position on the alignment screen 55.
- the product model SM is the position corresponding to the coordinates of the CAD data with respect to the origin of the CAD data. Rooster is placed. 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 executes the alignment processing as shown in FIG. .
- the alignment processing unit 13 detects the 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 Z axis (the turning axis). ) (Step S180).
- the turning surface is, as shown in Fig. 34 (a) to (d), the peripheral surface 310 of the cylinder, the peripheral surface 311, of the cone, and the peripheral surface of the circular tube (torus) made around the axis. 3 12, the surface having any shape of the peripheral surface 313 of the sphere.
- Fig. 34 (e) if a part of the turning surface is missing, the distance from the rotation center axis to the farthest point is taken as the diameter of the turning surface.
- step S182 rotate the product model SM parallel so that the Z, axis determined from the product model SM matches the Z axis (turning axis) of the material model WM gripped by the first jig model ZG.
- step S182 rotate the product model SM parallel so that the Z, axis determined from the product model SM matches the Z axis (turning axis) of the material model WM gripped by the first jig model ZG.
- step S182 Move
- the program origin ⁇ is the product origin SM of the product model SM.
- Z 0
- the product model SM is included in the material model WM, and is located in the center of the material model WM in the X-axis direction and the material model 'WM. It is set in advance at a position at a predetermined distance from the end face farther from the first jig model in the Z-axis direction.
- the product model SM is arranged at a position where the material model WM can be machined.
- the position of the program origin O can be changed.
- step S181 when the product model SM is rotated and translated in step S181, one of the two Z-direction end faces of the product model SM is closer to the program origin O (the third 33 (Fig. (B), right side). Therefore, the operator checks the Z-direction of the product model obtained by automatic placement, and turning the product model 'SM 180 degrees in the Z-direction would be better for reasons such as less cutting allowance.
- the operator presses the Z flip button (not shown) arranged on the alignment 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. Therefore, as shown in FIG. 35, the product model SM rotates 180 degrees around the axis 57, and the direction in the Z direction is reversed (step S188). Rotating the product model 'SM does not change the center position of the product model.
- This alignment processing function has a manual adjustment function that allows an operator to adjust the distribution 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. Any Even when the 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 shows the shape movement target as product shape (product model), material shape (material model), first chuck shape (first chuck model), and second chuck shape (first chuck model).
- the second chuck model includes a shape selection check button 60 for selecting from among the above, a step amount input unit 61, a movement amount input unit 62, and a movement button 63.
- the shape for which the check is on (model) Force translates and rotates. If the user inputs the movement amount 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 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 ⁇ or rotation.
- 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 Z-axis alignment of the product model and the material model and the positioning of the Z end face position of the product model to the program origin are performed using one shape movement button.
- the Z axis of the product model and the material model may be aligned with one button, and the Z end face position of the product model may be positioned at the program origin with the other 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. And can perform efficient programming work.
- This process division process is started by turning on the process division button 6e of the main menu for menu selection 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 that has two main spindles, the main spindle and the sub-spindle, and defines the machining area as the difference between the material model and the product model.
- 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 changed to the sub-spindle. Then, in the second step, the material is gripped and processed by the sub-spindle.
- step S150 the operator first selects whether the process is to be divided manually or automatically (step S150).
- the process division processing unit 14 places feature points on the outer and inner diameters where the shape of the top, hole, and ridge of the product model SM changes, respectively. It comes out (step S191).
- the process division processing unit 14 displays the extracted feature points on the! ⁇ Side and the inner diameter side as candidates for process division on the screen (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 displayed for each of the outer diameter side and the inner diameter side.
- Candidate line for process division 3 2 1 is Z axis from feature point Is a line extending in a direction perpendicular to. If there are no feature points, a large amount of processing must be performed in the first step, which enables more stable processing.
- 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 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 (hole at the center) and turning (outer diameter, inner diameter), it is necessary to perform milling at six locations (three locations 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. I have.
- 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 reducing the outer diameter is more efficient than milling with only half of the external suspicion.
- 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 + h) obtained by adding a predetermined margin value ⁇ to the gripping length of the nail, La, is calculated. (Step S 195) Only the calculated value (L a + ⁇ ) is determined as a process division position at a position apart from the end face of the material model 'WM on the chuck side (Step S 196).
- the region is defined as a first process region to be processed in the first step, and a region closer to the base end (on the chuck side) than the division position is defined as a second process region to be processed in the second process.
- the margin value varies according to the Z-direction length of the product model or material model, and the margin value varies as the product value or material model varies in the Z-direction. The value 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) illustrates 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 machining area Q1 on the front side and the machining area Q2 on the back side correspond to the edge chamfer margin described with reference to FIG. 9, and are set by the edge chamfer dialog 3005 in FIG. These machining areas Q 1 and Q 2 are removed based on the edge chamfer allowance.
- 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 V a and inner diameter turning area V b are divided into (Step S201).
- the process division processing unit 14 divides the volume V a of the outer diameter side turning area by 1/2 in the Z direction, that is, in the first process, The position in the Z direction at which the volume V a 1 of the turning area on the outer diameter side and the volume V a 2 of the turning area on the outer diameter side in the second step become equal to the outer diameter side process division position 65 I do.
- 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 position in the Z direction at which the volume Vb2 of the turning area on the inner diameter side becomes equal to the inner side is set as the step division position 66 on the inner side (step S202).
- the Z position that divides the turning area on the outer diameter side into two equal parts is the process dividing position on the outer diameter side
- the Z position that divides the turning area on the inner diameter side into two equal parts is the inner diameter side.
- the entire process area on the outer diameter side, including turning, milling, etc., is divided into two equal parts.
- the Z position is set as the process division position on the outer diameter side
- the inner area is divided into two equal parts.
- the Z position may be set as the process division position on the inner diameter side.
- a position at which the volume of the entire machining area including the end face machining area is divided into two equal parts may be set as the process division position.
- the process division position on the inner diameter side and the outer diameter side is the same position.
- This 2nd process jig setting process is mainly performed by the jig setting processing section 12 in Fig. 1. 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-axis 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.
- 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 WMT after the completion of the first process is created, and by 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 step, and the operation is performed by the positioning described in 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 process, the processing operations of both the first process and the second process are developed for each processing unit.
- the default of the order of automatic process development in the case of combined machining is turning-face machining ⁇ point machining ⁇ chamfering, and this order can be arbitrarily set by the operator. In order to cope with machining without drilling, turning, face machining, and chamfering are omitted, and it is possible to set a rule that develops only point machining in the process.
- the default of the order of each machining in the turning process is as follows: End face machining ⁇ Turning drill (Medium (Center hole) ⁇ Bar outer diameter ⁇ Bar inside, and this order can be arbitrarily set by the operator. Therefore, it is also possible in the order of end face machining ⁇ outer diameter machining of the bar ⁇ turning drill ⁇ internal working bar, and also in the order of end face machining ⁇ turning drill ⁇ inner diameter machining of the bar ⁇ bar M ⁇ ro It is.
- machining For surface machining, the process is developed in ascending order of depth.
- 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.
- four types of shape sequences, point, system I, square, and lattice are classified according to the arrangement of holes of the same diameter, and in the order determined by each of these classified shape sequences. Drilling improves the efficiency of spot drilling.
- 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.
- the threshold value of the diameter value can be set arbitrarily.
- FIG. 45 shows an example of the development of the turning process only for the inner diameter portion.
- 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. 46 (a) when there is a point processing part 5 below the turning processing part 74, FIG. As shown in b), 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 with the extended hole shape 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.
- the details of the process development process are described in Japanese Patent Application Laid-Open No. 2003-241809 filed by the present applicant. ,
- FIG. 47 is a view showing a Tagawa page for automatically developing a tool sequence.
- a finish allowance is developed to determine a finish allowance according to a finish symbol or the like of CAD data (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 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.
- the NC creation program for the first and second processes in a predetermined language is performed. Create a mouth gram.
- the 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 shown in FIG.
- the undeployable shape editing process is for performing 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 some kind of machining unit.
- Undeployable shapes include curved surface machining, shapes that require machining with special tools, shapes that are not included in the machining unit of the NC creation program created by this automatic door, and taper. There are the taper part of the pocket and its upper part, the bottom part R and the R part of the pocket with the bottom fillet, the fillet part and the upper part.
- 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.
- machining shape tree section 80 editing operations for changing the machining unit name, changing the order of the machining unit, and switching between valid / invalid of the machining unit can be performed.
- the processing unit names such as "bar outer diameter", “pocket mill”, and “undeployable” are attached, and the number to the left of the processing unit name is the number of 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 cut edit button 6g 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 machining programs 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 processed shape reel portion 80 displays the processed unit names in a hierarchical format in a rill format.
- the program pull section 85 is a machining program in machining units. Displays rams in a hierarchical format in a ruffle format.
- a product model and / or a material model are three-dimensionally displayed in a wire frame or the like.
- the machining cut data (the shape indicating the caroet shape) corresponding to the machining cut name selected in the machining shape part 80 is displayed.
- the data including the sequence and the processing details) is displayed, and when program memory ⁇ 85 is selected and displayed, program memory ⁇ ! 5.8
- the machining program corresponding to the program name selected in 5 (in Fig. 54, the same program name as the machining unit name is added) 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 shape tree unit 80 or the program tree unit 85.
- FIG. 50 shows the highlighting processing by the program editing processing section 18.
- machining unit name in the machining shape selection section 80 and display machining unit data such as the shape sequence in the editor section 87, or select one machining program name in a part of the program library. Then, the main body of the machining program is displayed on the editor section 87.
- the program edit processing section 18 detects this (step S220), and highlights the machining unit 89 corresponding to the position of the cursor 88 of the editor ⁇ 87 on the three-dimensional display section 86. Display (highlight display) (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.
- a machining tree name (in this case, an unexpandable unit) for which a shape sequence is to be imported is selected in the program tree section 85.
- the entire shape of the undeployable unit is selected on the program memory unit 85 or the three-dimensional display unit 86.
- FIG. 51 (a) shows a state where the entire non-deployable unit is displayed.
- the shape element (for example, one plane) whose coordinate value is to be obtained is displayed on the 3D display unit 8.
- 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 machining unit data is inserted at the cursor '.' Position, but the machining cut data corresponding to the machining cut selected on the three-dimensional display unit 86 is displayed at the cursor. It may be inserted at the position.
- This insertion function can be used when the program of the machining unit is broken due to an erroneous operation, etc. Wear. This function is performed as follows.
- the next machining program name (in the case of FIG. 54, the machining unit name and the machining program name match) in the insertion position is selected 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 tree section 85.
- step S240 when the “unit insertion button” (not shown) in the menu display section 91 of the program editing screen 84 is pressed (step S240), the machining unit name selected in the machining shape tree section 80 is displayed.
- the name of the corresponding machining program is entered in units of machining units before the name of the machining program selected in the program tree section 85, and the machining corresponding to the machining unit name selected in the machining shape section 80.
- a program is inserted before the cursor position in the editor section 87 in machining cut units.
- the machining program name and machining program corresponding to the machining unit name can be easily inserted into desired positions of 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 of a cut is broken.
- the program name next to the insertion position may be selected first in the program tree section 85, and then the processing unit name to be inserted may be selected in the processing shape selection section 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.
- the form 2 automatic pro is an automatic pro that can be applied to either a two-spindle machine tool that has two main spindles, a main spindle and a sub-spindle, and a one-spindle machine tool that has no main spindle and no force. is there.
- 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, Generates one program that continuously executes the machining in the first step and the machining in the second step.
- the material is reversed and replaced on the main spindle side.
- the automatic professional generates two machining programs, a machining program for the first step and a machining program for the second step.
- the material model is inverted, and the inverted material model is gripped again by the main spindle chuck model.
- the second step (corresponding to the second step) of processing the remaining area will be executed. That is, in the 1-spindle machine tool, in the first step, the first spindle machine grips and processes one end of the material model, and in the second step, the first spindle machine cuts the other end of the material model. Processing is performed by gripping.
- the automatic program of the second embodiment is composed of a 1 spindle program creating section 330 which is an automatic program device for creating a machining program for 1 spindle machine, and 2
- the two-spindle program creation unit 3 3 1 which is an automatic programming device for creating a machining program, determines whether the control target is a two-spindle machine or a one-spindle machine, and determines one spindle according to the determination result.
- a determination unit 340 for starting any one of the program creation unit 330 and the two-spindle program creation unit 331 is provided.
- this automatic program has a determination unit 340 that determines whether or not the machine tool to be controlled has a sub spindle.
- the determination unit 340 determines whether the control target is It is determined whether or not the machine is a machine with 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. By storing the identification information indicating the presence or absence of the By referring to the separate information, it is determined whether or not the control target has a sub spindle.
- 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 unit 3 3 1) to create NC program for creating NC program for machining products from raw materials with 1 spindle machine tool having main spindle as control object
- It has the second software (1 spindle program creation section 340) for creating a program, and when the program starts, the judgment section 340 sets the machine to be controlled to 1 spindle machine and 2 spindles By deciding which one is the machine tool, one of the first and second software is started.
- these first and second software have many shared parts.
- steps S100 to S109 are executed by the first software as in the first embodiment (second embodiment). See figure).
- the first process and the second process are simultaneously developed in steps S107 and S108, so that the created NC creating program is composed of the first process program and the material transfer program.
- a second process program, etc. and become one 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 are performed. Processing can be omitted, and efficient program creation becomes possible.
- step S401 the same product shape input processing as in step S100 is performed (step S401), and then step S101 is performed.
- the same material shape setting processing is performed (step S402), and then the first step (first step) jig setting processing similar to step S102 is performed (step S403), and then the same processing as step S103 is performed.
- a positioning process is performed (step S404), and then a process division process similar to step S104 is performed (step S405).
- step S406 When several machines are to be controlled, the process development for only the first process and the tool selection are executed (step S406). Then, program development of only the first process is executed (step S407). Next, the material model is turned 180 degrees, and the chuck model of the main spindle again grips the material model (step S408). Next, the second step (second step) jig setting processing similar to step S105 is performed (step S409), and then the same positioning processing as step S106 is performed (step S410).
- step S411 the process development and tool selection for only the second process are executed.
- step S412 the program development of only the second process is executed. In this way, 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 in accordance with this determination, one spindle machine; Either of the automatic pros is operated, so it is applicable to both main spindles and main spindles that have two main spindles and sub spindles.
- a possible automatic professional can be provided.
- 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
Claims
Priority Applications (6)
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EP04747064A EP1643330B1 (en) | 2003-07-04 | 2004-06-30 | Automatic programming method and device |
JP2005511384A JP4450794B2 (ja) | 2003-07-04 | 2004-06-30 | 自動プログラミング方法および装置 |
US10/563,225 US7457684B2 (en) | 2003-07-04 | 2004-06-30 | Automatic programming method and automatic programming device |
CNB2004800190180A CN100507779C (zh) | 2003-07-04 | 2004-06-30 | 自动编程方法及装置 |
DE602004027494T DE602004027494D1 (de) | 2003-07-04 | 2004-06-30 | Automatisches programmierverfahren und einrichtung |
TW093119975A TWI251136B (en) | 2003-07-04 | 2004-07-02 | Automatic programming method and device |
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PCT/JP2004/009588 WO2005003871A1 (ja) | 2003-07-04 | 2004-06-30 | 自動プログラミング方法および装置 |
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