WO2023112207A1 - 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 - Google Patents
図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 Download PDFInfo
- Publication number
- WO2023112207A1 WO2023112207A1 PCT/JP2021/046281 JP2021046281W WO2023112207A1 WO 2023112207 A1 WO2023112207 A1 WO 2023112207A1 JP 2021046281 W JP2021046281 W JP 2021046281W WO 2023112207 A1 WO2023112207 A1 WO 2023112207A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- machining
- machining shape
- shape
- shapes
- graphic data
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000013459 approach Methods 0.000 claims abstract description 71
- 238000003754 machining Methods 0.000 claims description 362
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 11
- 230000037361 pathway Effects 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 230000004048 modification Effects 0.000 description 14
- 238000011960 computer-aided design Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
- B23H7/20—Electric circuits specially adapted therefor, e.g. power supply for programme-control, e.g. adaptive
-
- 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]
Definitions
- the present invention relates to a graphic data editing device for editing graphic data for creating a machining program for a wire electric discharge machine, a machining program creating device, and a graphic data editing method.
- the wire electrode of the wire electric discharge machine moves relative to the workpiece. This relative movement is controlled based on the machining program.
- the machining program is created based on CAD (Computer Aided Design) data representing the figure of the machining shape.
- the CAD data includes a plurality of machining shapes followed by the wire electrode.
- multiple machining shapes indicate the shape of the product produced by the wire electric discharge machine.
- the plurality of machining shapes do not indicate machining start positions and approach paths.
- the machining start position is the position where the wire electrode starts relative movement.
- the approach path is a path (linear shape) that connects the machining start position and the machining shape.
- a machining program is created based on CAD data to which a plurality of machining start positions and a plurality of approach paths are added.
- Japanese Patent Application Laid-Open No. 03-189708 discloses a processing shape copying method. According to this disclosure, when a machining shape is copied, a machining start position corresponding to the machining shape is also copied.
- the operator edits graphic data that includes multiple machining shapes in advance. If an approach path is not assigned to each of a plurality of machining shapes, the operator adds the approach path to the graphic data. Here, from the operator's point of view, there is no need to copy the machining shape. Therefore, the operator has to repeatedly perform the work of adding the machining start position and the approach path to the machining shape.
- An object of the present invention is to solve the above-mentioned problems.
- a first aspect of the present invention is a graphic data editing device for editing graphic data representing a plurality of machining shapes to be machined on one workpiece by a wire electric discharge machine, wherein the graphic data is acquired by a graphic data editing device.
- an acquisition unit a group creation unit that groups the plurality of machining shapes by shapes that are congruent or similar to each other, and a first approach path that leads to a first machining shape of any one of the plurality of machining shapes, the operator and a second approach path connected to a second machining shape belonging to the same group as the first machining shape, which is added to the graphic data in response to the operation of the first machining shape and the first approach path.
- an automatic path addition unit for automatically adding to the graphic data so as to be congruent or similar to the graphic formed by the.
- a second aspect of the present invention is a machining program creation device comprising: the graphic data editing device of the first aspect; and a machining program creation unit that creates a program based on the graphic data.
- a third aspect of the present invention is a graphic data editing method for editing graphic data indicating a plurality of machining shapes to be machined on one workpiece by a wire electric discharge machine, wherein the graphic data is obtained by an acquisition step; a group creation step of grouping the plurality of machining shapes by shapes congruent or similar; and adding a second approach path leading to a second machining shape belonging to the same group as the first machining shape to the first machining shape and the first approach path. and an automatic route addition step of automatically adding to the graphic data so as to be congruent or similar to the graphic formed by.
- FIG. 1 is a schematic configuration diagram of a graphic data editing apparatus according to an embodiment.
- FIG. 2 is a diagram illustrating graphics displayed on the display screen based on the graphics data.
- FIG. 3 is a diagram illustrating a plurality of sides of each of a plurality of machining shapes;
- FIG. 4A is a table illustrating the first order of arrangement.
- FIG. 4B is a table illustrating the second arrangement order.
- FIG. 5 is a table illustrating grouping results of a plurality of machining shapes.
- FIG. 6 is a diagram illustrating graphic data edited by the first path adding unit.
- FIG. 7 is a diagram showing the graphic data of FIG. 6 after being edited by the second path adding section.
- FIG. 8 is a flowchart illustrating the flow of the graphic data editing method according to the embodiment.
- FIG. 9 is a diagram illustrating graphic data according to Modification 1.
- FIG. 10A is a table illustrating a second arrangement order according to Modification 1.
- FIG. 10B is a table showing the arrangement order obtained by reversing the second arrangement order of FIG. 10A.
- FIG. 11 is a schematic configuration diagram of a machining program creation device provided with a graphic data editing device.
- FIG. 1 is a schematic configuration diagram of a graphic data editing apparatus 10 according to an embodiment.
- the graphic data editing device 10 is an electronic device (computer) including a display section 12, an operation section 14, a storage section 16, and a calculation section 18.
- the display unit 12 is a display device having a display screen 121 . Information is appropriately displayed on the display screen 121 .
- the material of the display section 12 includes liquid crystal. However, the material of the display section 12 is not limited to liquid crystal.
- the material of the display unit 12 may include OEL (Organic Electro-Luminescence).
- the operation unit 14 is an input device that receives information input by the operator.
- the operation unit 14 has, for example, a mouse, a keyboard, and a touch pad.
- the operation unit 14 may include a touch panel.
- the touch panel is attached to the display screen 121 .
- the storage unit 16 has one or more memories.
- the storage unit 16 has RAM (Random Access Memory) and ROM (Read Only Memory).
- the storage unit 16 stores graphic data 20 and an editing program 22 .
- FIG. 2 is a diagram illustrating figures displayed on the display screen 121 based on the figure data 20.
- FIG. 2 is a diagram illustrating figures displayed on the display screen 121 based on the figure data 20.
- the graphic data 20 is data representing a plurality of machining shapes 24.
- the graphic data 20 is a data file created using a CAD system, for example.
- the machining shape 24 indicates the shape to be machined by the wire electric discharge machine.
- the graphic data 20 in FIG. 2 includes a plurality of machining shapes 24 to be machined on one workpiece by the wire electric discharge machine.
- the graphic data 20 in FIG. 2 includes five machining shapes 24 (241, 242, 243, 244, 245) for illustration.
- Each of the plurality of processed shapes 24 is loop-shaped. As far as this is concerned, the shape of the processing shape 24 is not limited.
- Each of the plurality of machining shapes 24 illustrated in FIG. 2 is a trapezoid (polygon).
- the editing program 22 is a program for causing the graphic data editing apparatus 10 to execute the graphic data editing method of this embodiment.
- the graphic data editing method will be described later.
- the computing unit 18 has one or more processors.
- the computing unit 18 has a CPU (Central Processing Unit) and a GPU (Graphics Processing Unit).
- the calculation unit 18 can appropriately refer to information stored in the storage unit 16 .
- the calculation unit 18 includes a graphic acquisition unit 26 , a group creation unit 28 and a graphic editing unit 30 .
- the graphic acquisition section 26 , the group creation section 28 , and the graphic editing section 30 are realized by the execution of the editing program 22 by the calculation section 18 .
- the graphic acquisition unit 26 acquires the graphic data 20.
- the graphic acquisition unit 26 acquires the graphic data 20 by referring to the storage unit 16 .
- the graphic acquisition unit 26 may communicate with an external device of the graphic data editing device 10 to acquire the graphic data 20 from the external device.
- the graphic data editing device 10 and the external device are communicably connected.
- An external device of the graphic data editing device 10 is a computer such as a numerical control device (CNC: Computerized Numerical Controller) that controls a wire electric discharge machine, for example.
- the graphic acquisition unit 26 may also acquire the graphic data 20 from a detachable external storage medium such as a USB (Universal Serial Bus) memory.
- a detachable external storage medium such as a USB (Universal Serial Bus) memory.
- the group creation unit 28 groups the plurality of machining shapes 24 indicated by the graphic data 20 by shapes that are congruent with each other.
- the group creation unit 28 has a decomposition unit 32 , a selection unit 34 , a search unit 36 , an arrangement order determination unit 38 and a determination unit 40 .
- the decomposing unit 32 decomposes each of the plurality of machining shapes 24 into a plurality of graphic elements.
- the multiple graphic elements are, for example, multiple line segments (sides).
- FIG. 3 is a diagram illustrating a plurality of sides of each of a plurality of machining shapes 24.
- the processing shape 241 is a trapezoid (polygon) formed from four sides, side A, side B, side C, and side D. Therefore, the decomposing unit 32 decomposes the machining shape 241 into the side A, the side B, the side C, and the side D. As shown in FIG.
- the machining shape 242 is decomposed into a side E, a side F, a side G, and a side H.
- the machining shape 243 is decomposed into a side I, a side J, a side K, and a side L.
- the machining shape 244 is decomposed into a side M, a side N, a side O, and a side P.
- the machining shape 245 is decomposed into a side Q, a side R, a side S, and a side T.
- the storage unit 16 stores the decomposition results (the plurality of sides of the plurality of machining shapes 24).
- the selection unit 34 selects one machining shape 24 that is not grouped from among the plurality of machining shapes 24 .
- the selection unit 34 may randomly select from among the plurality of machining shapes 24 that are not grouped.
- the selection unit 34 may select based on a predetermined rule.
- the selection unit 34 selects the machining shape 241 .
- the machining shape 241 selected by the selection unit 34 is also referred to as the selected machining shape 241 in the following description.
- the search unit 36 selects one of the multiple sides (sides A to D) forming the selected machining shape 241 .
- the search unit 36 may randomly select any one side from the selected machining shape 241 .
- the selection unit 34 may select any one side from the selected machining shape 241 based on a predetermined rule.
- the searching unit 36 selects side A for illustration.
- the side A selected from the selected machining shape 241 by the search unit 36 is also referred to as the first side A in the following description.
- the machining shape 24 congruent with the selected machining shape 241 always includes one second side with the same length as the first side A. Based on this, the search unit 36 searches for the second side (side having the same length as the first side A) from each of the machining shapes 242 to 245 other than the selected machining shape 241 . Thereby, the machining shape 24 that may be congruent with the selected machining shape 241 is specified.
- Edge E is also referred to as second edge E in the following description.
- the alignment order determining unit 38 determines the alignment order (first alignment order) of the plurality of sides of the selected machining shape 241 and the alignment order (second alignment order) of the plurality of sides of the machining shape 242 including the second side E (second alignment order). ) and
- the first arrangement order is determined based on the first side A and the predetermined circulation direction.
- the predetermined circulation direction is a clockwise direction or a counterclockwise direction.
- the predetermined circulation direction is the clockwise direction.
- FIG. 4A is a table 421 illustrating the first sort order. Note that the first column (arrangement order) of the table 421 indicates the first arrangement order. The second column (side) of the table 421 indicates the name of each side forming the selected machining shape 241 . The third column (Length) of table 421 indicates the length of each side forming selected machining shape 241 .
- the selected machining shape 241 includes side B, side C, and side D in this order from the first side A along the clockwise direction.
- the first alignment order is, for example, the alignment order in which the first side A, the side B, the side C, and the side D are aligned in this order.
- FIG. 4B is a table 422 illustrating the second sort order.
- the format of Table 422 conforms to Table 421. However, the first column (arrangement order) of table 422 indicates the second arrangement order.
- the machining shape 242 includes a side F, a side G, and a side H in this order from the second side E along the clockwise direction.
- the second arrangement order is an arrangement order in which the second side E, the side F, the side G, and the side H are arranged in this order.
- the storage unit 16 stores the contents of the table 421 (first order) and the contents of the table 422 (second order).
- the determination unit 40 determines a plurality of sides (sides B to D) of the selected machining shape 241 excluding the first side A and a plurality of sides (sides F to side H).
- the determining unit 40 associates the sides B to D with the sides F to H based on the first order and the second order. For example, side B that is second in the first order of arrangement and side F that is second in the second order of arrangement are associated.
- the third side C in the first arrangement order is associated with the third side G in the second arrangement order.
- the fourth side D in the first arrangement order is associated with the fourth side H in the second arrangement order.
- the determination unit 40 selects The area of the machining shape 241 and the area of the machining shape 242 are calculated. The determination unit 40 also compares the area of the selected machining shape 241 and the area of the machining shape 242 .
- the determination unit 40 determines that the selected machining shape 241 and the machining shape 242 are congruent.
- the group creating unit 28 classifies the machining shape 242 into the same group as the selected machining shape 241 .
- the group creation unit 28 determines whether each of the machining shapes 243 to 245 is congruent with the selected machining shape 241.
- the order determination unit 38 and the determination unit 40 are used for determination.
- each of the machining shapes 243 to 245 does not include the second side having the same length as the first side A. Therefore, the machining shapes 243 to 245 are not congruent with at least the selected machining shape 241 .
- the group creating unit 28 determines whether or not the machining shapes 243 to 245 are congruent.
- the machining shape 243 , the machining shape 244 or the machining shape 245 is newly selected as the selected machining shape 24 .
- a description of the process of determining whether or not the machining shapes 243 to 245 are congruent based on the newly selected selected machining shape 24 will be omitted since it substantially duplicates the above description.
- FIG. 5 is a table 44 illustrating grouping results of a plurality of machining shapes 24.
- the first column of Table 44 shows the name of the machining shape 24 .
- the second column of Table 44 indicates the group to which each machining shape 24 belongs.
- the grouping result illustrated in FIG. 5, for example, can be obtained.
- the machining shape 241 and the machining shape 242 belong to the same group GA.
- the machining shape 243, the machining shape 244, and the machining shape 245 belong to the same group GB.
- a grouping result is stored in the storage unit 16 .
- the graphic editing unit 30 has a first route addition unit (route addition unit) 46 and a second route addition unit 48 (automatic route addition unit).
- the first path addition unit 46 adds a machining start position (first machining start position) 50 and an approach path (first approach path) 52 to the graphic data 20 according to the operator's operation.
- the graphic data 20 edited by the first path adding section 46 is displayed on the display screen 121 .
- FIG. 6 is a diagram illustrating the graphic data 20 after being edited by the first path adding section 46.
- FIG. 6 is a diagram illustrating the graphic data 20 after being edited by the first path adding section 46.
- the machining start position 50 indicates the initial position of the wire electrode for machining along any one of the plurality of machining shapes 24 .
- any one of the plurality of machining shapes 24 is arbitrarily selected by the operator via the operation section 14 .
- the operator selects the machining shape 241 (see FIG. 3).
- the machining shape 241 selected by the operator is also referred to as the first machining shape 241 in the following description.
- a hole through which the wire electrode can be inserted is formed at the position indicated by the machining start position 50 on the actual workpiece.
- the approach path 52 is a wire electrode movement path that connects the machining start position 50 and the first machining shape 241 .
- the second path adding unit 48 belongs to the same group GA as the first machining shape 241 based on the grouping result (FIG. 5) when the approach path 52 connected to the first machining shape 241 is added to the graphic data 20.
- a second machining shape 24 is specified.
- only the machining shape 242 is specified as the second machining shape 24 .
- the second path addition unit 48 automatically edits the figure data 20 as follows.
- FIG. 7 is a diagram showing the graphic data 20 of FIG. 6 after being edited by the second path adding section 48.
- FIG. 7 is a diagram showing the graphic data 20 of FIG. 6 after being edited by the second path adding section 48.
- the second path addition unit 48 automatically adds a machining start position (second machining start position) 56 and an approach path (second approach path) 58 to the graphic data 20 .
- a machining start position 56 indicates the initial position of the wire electrode for machining the second machining shape 242 .
- the approach path 58 is a path leading to the second machining shape 242 .
- the approach path 58 connects the machining start position 56 and the second machining shape 242 . Thereby, the operator can easily obtain the graphic data 20 including the machining start position 56 and the approach path 58 .
- the second path addition portion 48 is such that a figure formed by the machining start position 56, the approach path 58, and the second machining shape 242 is formed by the machining start position 50, the approach path 52, and the first machining shape 241.
- the graphic data 20 are edited so as to be congruent with the graphic.
- the machining start position 56 and the approach route 58 are automatically added to the graphic data 20. Therefore, the operator can easily obtain the graphic data 20 including a plurality of machining start positions and a plurality of approach paths.
- the graphic data 20 can be automatically edited with the content reflecting the operator's intention.
- the operator sets the machining start position 50 and the approach path 52 inside the first machining shape 241 .
- the machining start position 56 and the approach path 58 are set outside the second machining shape 242 , the wire electrode cannot perform die machining along the second machining shape 242 .
- the graphic data editing device 10 (the second path adding section 48) adjusts the second machining start position 56 to match the first machining start position 50 set inside the first machining shape 241.
- H.242 can be set automatically.
- the operator temporarily assigns the approach path leading to the machining shape 243 to the graphic data 20 .
- the second path addition unit 48 automatically provides the graphic data 20 with a plurality of approach paths leading to each of the machining shape 244 and the machining shape 245 belonging to the same group GB as the machining shape 243 .
- FIG. 8 is a flowchart illustrating the flow of the graphic data editing method according to the embodiment.
- the graphic data editing device 10 can execute the graphic data editing method of FIG.
- the figure acquisition unit 26 acquires the figure data 20.
- the group creation step S2 includes a decomposition step S21, a selection step S22, a new group creation step S23, and a search step S24.
- the decomposition step S21 is started after the figure acquisition step S1 is completed.
- the decomposition unit 32 decomposes each of the plurality of machining shapes 24 into a plurality of graphic elements (sides).
- the selection unit 34 selects the selected machining shape 24 .
- the selection unit 34 selects a machining shape 24 that is not grouped from among the plurality of machining shapes 24 in the graphic data 20 as a selected machining shape 24 .
- the group creating unit 28 creates a group to which the selected machining shape 24 belongs. At least the selected machining shape 24 belongs to the created group.
- the search unit 36 searches for a second side having the same length as the first side of the selected machining shape 24 from among the machining shapes 24 other than the selected machining shape 24. If the second side is not found (S24: NO), a second end determination step S29, which will be described later, is executed.
- the group creation step S2 further includes an order determination step S25, a determination step S26, a group update step S27, a first termination determination step S28, and a second termination determination step S29.
- the order determination step S25 is started when the second side is found (S24: YES).
- the arrangement order determination unit 38 determines the first arrangement order and the second arrangement order.
- a first alignment order is determined based on the first side.
- a second sort order is determined based on the second edge.
- the determination unit 40 compares the selected machining shape 24 with the machining shape 24 including the second side based on the first and second orderings. Also, based on the comparison result, the determination unit 40 determines whether or not the selected machining shape 24 and the machining shape 24 including the second side are congruent.
- the group update step S27 is started when it is determined that the selected machining shape 24 and the machining shape 24 including the second side are congruent (S26: YES).
- the group creating unit 28 groups the machining shape 24 determined to be congruent with the selected machining shape 24 into the same group as the selected machining shape 24.
- the first end determination step S28 is started when it is determined that the selected machining shape 24 and the machining shape 24 including the second side are not congruent (S26: NO).
- the determination unit 40 determines whether or not there is a machining shape 24 that includes a second side and has not been compared with the selected machining shape 24 or not.
- the determination step S26 is executed again. In other words, when a plurality of machining shapes 24 include the second sides, the determination step S26 is repeated until all machining shapes 24 including the second sides are compared with the selected machining shape 24 .
- the second end determination step S29 is started when all machining shapes 24 including the second side are compared with the selected machining shape 24 (S28: NO).
- the determination unit 40 determines whether or not all the machining shapes 24 in the graphic data 20 have been grouped. If there are machining shapes 24 that have not been grouped (S29: NO), the selection step S22 is executed again.
- the first path addition step S3 is started when all machining shapes 24 in the graphic data 20 are grouped (S29: YES).
- the first path addition unit 46 adds the machining start position 50 and the approach path 52 to the graphic data 20 according to the operator's operation.
- the approach path 52 connects the first machining shape 24 and the machining start position 50 .
- the second route addition step S4 is started after the first route addition step S3 is completed.
- the second path adding section 48 automatically adds the machining start position 56 and the approach path 58 to the graphic data 20.
- the approach path 58 connects the second machining shape 24 and the machining start position 56 .
- the second machining shape 24 is specified based on the execution result of the group creation step S2 and the execution result of the first path addition step S3.
- the third end determination step S5 is started after the completion of the second route addition step S4. In the third end determination step S5, it is determined whether or not the machining start positions 56 and the approach paths 58 corresponding to all the second machining shapes 24 have been added to the graphic data 20 or not. This determination is made, for example, by the second route adding unit 48 .
- the second path adding step S4 is executed again. Thereby, the machining start position 56 and the approach path 58 are automatically added to all machining shapes 24 congruent with the first machining shape 24 .
- the operator can easily obtain the graphic data 20 to which the second machining start position 56 and the approach route 58 are added.
- the determining unit 40 may determine that the machining shape 24 is congruent with the selected machining shape 24 when the machining shape 24 is a mirror image of the selected machining shape 24 . In this case, the determination unit 40 performs, for example, the processing described below.
- FIG. 9 is a diagram illustrating graphic data 201 according to Modification 1.
- FIG. 9 is a diagram illustrating graphic data 201 according to Modification 1.
- the machining shape 241 in FIG. 9 is the same as the machining shape 241 in FIG.
- a processing shape 246 in FIG. 9 is formed by a side U, a side V, a side W, and a side X. As shown in FIG.
- FIG. 10A is a table 423 exemplifying the second arrangement order according to Modification 1.
- FIG. The format of Table 423 conforms to Table 422.
- the length of the side U is the same length as the first side A. That is, the side U is the second side in this modified example.
- the arrangement order determination unit 38 determines the second arrangement order of the machining shape 246 including the second side U, as shown in Table 423 .
- the arrangement order determining unit 38 reverses one of the first arrangement order and the second arrangement order.
- FIG. 10B is a table 424 showing the reverse order of the second order of FIG. 10A.
- the format of Table 424 conforms to Table 423.
- the arrangement order determination unit 38 reverses the second arrangement order in FIG. 10A as shown in FIG. 10B.
- the second arrangement order after reversal is an arrangement order in which side U, side X, side W, and side V are traced counterclockwise along processing shape 246 .
- the determination unit 40 associates again the multiple sides of the selected machining shape 241 with the multiple sides of the machining shape 246 based on the first alignment order and the second alignment order after reversal. As a result, side B and side X are associated with each other. Also, side C and side W are associated. Side D and side V are associated.
- the determination unit 40 compares the area of the selected machining shape 241 and the area of the machining shape 246 . If the area of the selected machining shape 241 and the area of the machining shape 246 are the same, the machining shape 246 is a mirror image of the selected machining shape 241 .
- the working shape (24) may be circular.
- the plurality of graphical elements may include the diameter of the working shape.
- the determination unit 40 may determine whether or not the diameters of the plurality of machining shapes are the same. Two circles with the same diameter are congruent.
- the machining shape (24) may include a curve (arc line).
- the plurality of graphical elements may include the length of the curve and the curvature of the curve.
- the determination unit 40 may determine whether the lengths and curvatures of a plurality of curves are the same. Two curves with the same length and curvature are congruent.
- a plurality of graphic elements related to curves (arcs) may include radii of curvature.
- the determination step S26 there are cases where the number of graphic elements differs between the selected machining shape (24) and the machining shape (24).
- the selected machining shape and the machining shape cannot be congruent.
- the selected machining shape is a polygon
- the selected machining shape has a plurality of line segments (sides).
- the machining shape has only a single curve (closed curve). That is, the circular shape does not have line segments (sides).
- the determination unit 40 may determine that the machining shape does not correspond to the selected machining shape.
- the group creation unit 28 may group the plurality of machining shapes (24) by shapes that are similar to each other.
- the determination unit 40 determines, for example, a plurality of sides of one of the two machining shapes and a plurality of sides of the other machining shape. to correspond. This association is performed based on the order in which the sides of each machining shape are arranged. However, the determination unit 40 associates two sides with different lengths.
- the determination unit 40 also calculates the ratio of the sides of one of the two machining shapes to the sides of the other machining shape. This ratio is calculated for the number of pairs of corresponding two sides. That is, the determination unit 40 calculates multiple ratios. If the multiple ratios are all the same, the two working shapes described above are similar to each other.
- the method of determining whether two machining shapes are similar to each other is not limited as long as it can be determined whether the selected machining shape is similar to the first machining shape.
- the second path addition unit 48 automatically adds an approach path 58 leading to a machining shape similar to the selected machining shape and a machining start position 56 to the figure data 20 .
- the machining shape similar to the selected machining shape and the machining start position 56 are connected by an approach path 58 .
- the figure formed by the second machining start position 56, the approach path 58, and the machining shape similar to the selected machining shape is similar to the figure formed by the machining start position 50, the approach path, and the selected machining shape.
- the first machining start position 50 may be added to the first machining shape 24 at the stage when the figure acquisition unit 26 acquires the figure data 20 .
- the first path adding section 46 adds only the first approach path 52 out of the first machining start position 50 and the first approach path 52 to the graphic data 20 according to the operator's operation.
- the graphic data editing device 10 may be configured integrally with the aforementioned CNC.
- FIG. 11 is a schematic configuration diagram of a machining program creation device 60 including the graphic data editing device 10. As shown in FIG.
- the graphic data editing device 10 may be configured integrally with the machining program creation device 60.
- the machining program creation device 60 of FIG. 11 includes the components of the graphic data editing device 10 (see FIG. 1).
- the machining program creation device 60 further includes an NC creation program 62 and a machining program creation section 64 .
- the NC creation program 62 is a program for causing the machining program creation device 60 to create the machining program 66.
- the machining program 66 is a program for commanding relative movement of the wire electrode of the wire electric discharge machine with respect to the workpiece.
- the NC creation program 62 is stored in the storage section 16 of the machining program creation device 60 .
- the machining program creation unit 64 creates a machining program 66 based on the graphic data 20. Thereby, the operator obtains the machining program 66 .
- the created machining program 66 may be stored in the storage unit 16 . Also, the operator may edit the created machining program 66 .
- a first invention is a graphic data editing device (10) for editing graphic data (20) representing a plurality of machining shapes (24) to be machined on one workpiece by a wire electric discharge machine, comprising: a figure acquisition unit (26) for acquiring figure data; a group creation unit (28) for grouping the plurality of machining shapes by shapes congruent or similar to each other; A path addition unit (46) for adding a first approach path (52) leading to one machining shape (24) to the graphic data according to an operator's operation; and a second machining belonging to the same group as the first machining shape. Automatic path addition for automatically adding a second approach path (58) connected to the shape (24) to the figure data so as to be congruent or similar to the figure formed by the first machining shape and the first approach path. a portion (48);
- the path adding section defines a first machining start position (50) for machining the first machining shape, and the first approach path connecting the first machining start position and the first machining shape. and the automatic path addition unit adds a second machining start position (56) for machining the second machining shape, the second machining start position and the second machining
- the second approach route connecting the shape may be automatically added to the figure data. This facilitates not only the addition work of the approach path but also the addition work of the machining start position.
- the group creation unit includes a decomposing unit (32) that decomposes each of the plurality of machining shapes into a plurality of graphic elements, and a group creating unit that compares the plurality of graphic elements of each of the plurality of machining shapes to create a plurality of the and a determination unit (40) that determines whether the machining shapes are congruent or similar to each other. As a result, whether or not a plurality of machining shapes are congruent or similar to each other is determined for each graphic element.
- the plurality of graphic elements of each of the plurality of machining shapes includes a plurality of sides forming the machining shape, and the group creating unit selects one of the plurality of machining shapes ( 34), and one of the plurality of sides forming the selected machining shape among the plurality of sides forming the machining shape other than the selected machining shape has the same length as the first side a search unit (36) for searching for a second side of the width; a first arrangement order of the plurality of sides forming the selected machining shape is determined based on the first side; an arrangement order determination unit (38) that determines a second arrangement order of the plurality of sides forming the machining shape including the second side based on the second side, and the determination unit determines whether the selected machining shape and the machining shape including the second side are congruent based on the first arrangement order and the second arrangement order may As a result, regardless of the respective inclinations of the machining shape including the first side and the machining shape including the second side, the machining shape including the first side and the machining
- the automatic path adding section may add a plurality of the second approach paths leading to each of the plurality of the second machining shapes to the figure data. This facilitates editing of graphic data including a plurality of second machining shapes.
- a second invention provides a graphic data editing apparatus according to the first invention, and a machining program (66) for instructing relative movement of a wire electrode of the wire electric discharge machine with respect to the workpiece based on the graphic data. and a machining program creating unit (64) that creates a machining program.
- a machining program is created based on the edited graphic data.
- a third aspect of the invention is a graphic data editing method for editing graphic data (20) indicating a plurality of machining shapes (24) to be machined on one workpiece by a wire electric discharge machine, wherein the graphic data is A figure acquisition step (S1) for acquiring; a group creation step (S2) for grouping a plurality of machining shapes by shapes congruent or similar to each other; and a first machining shape of any one of the plurality of machining shapes.
- a path addition step (S3) for adding a first approach path (52) leading to (24) to the graphic data in accordance with an operator's operation; and a second machining shape (24) belonging to the same group as the first machining shape. ) to the figure data so as to be congruent or similar to the figure formed by the first machining shape and the first approach path (S4 ) and including.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Numerical Control (AREA)
Abstract
Description
図1は、実施形態に係る図形データ編集装置10の概略構成図である。
以下には、上記実施形態に係る変形例が記載される。ただし、上記実施形態と重複する説明は、以下の説明では可能な限り省略される。上記実施形態で説明済みの構成要素には、特に断らない限り、上記実施形態と同一の参照符号が付される。
判定部40は、加工形状24が選択加工形状24の鏡像である場合に、その加工形状24を、選択加工形状24と合同であると判定してもよい。この場合、判定部40は、例えば次に説明される処理を行う。
加工形状(24)は、円形状でもよい。この場合、複数の図形要素は、その加工形状の径を含んでもよい。また、判定部40は、複数の加工形状が円形状を有する場合に、その複数の加工形状の径が同じであるか否かを判定してもよい。径が同じ2つの円は合同である。
グループ作成部28は、複数の加工形状(24)を、互いに相似する形状ごとにグルーピングしてもよい。
図形取得部26が図形データ20を取得した段階において、第1加工形状24に第1加工開始位置50が付加されている場合がある。その場合、第1経路付加部46は、第1加工開始位置50と第1アプローチ経路52とのうち第1アプローチ経路52のみを、オペレータの操作に応じて図形データ20に付加する。
図形データ編集装置10は、前述のCNCと一体的に構成されてもよい。
図11は、図形データ編集装置10を備える加工プログラム作成装置60の概略構成図である。
上記実施形態および変形例から把握しうる発明について、以下に記載する。
第1の発明は、ワイヤ放電加工機が1つの加工対象物に対して加工する複数の加工形状(24)を示す図形データ(20)を編集する図形データ編集装置(10)であって、前記図形データを取得する図形取得部(26)と、複数の前記加工形状を、互いに合同または相似する形状ごとにグルーピングするグループ作成部(28)と、複数の前記加工形状のうちいずれか1つの第1加工形状(24)に繋がる第1アプローチ経路(52)を、オペレータの操作に応じて前記図形データに付加する経路付加部(46)と、前記第1加工形状と同じグループに属する第2加工形状(24)に繋がる第2アプローチ経路(58)を、前記第1加工形状と前記第1アプローチ経路とが形成する図形と合同または相似するように、自動で前記図形データに付加する自動経路付加部(48)と、を備える。
第2の発明は、第1の発明の図形データ編集装置と、前記加工対象物に対する前記ワイヤ放電加工機のワイヤ電極の相対移動を指令するための加工プログラム(66)を、前記図形データに基づいて作成する加工プログラム作成部(64)と、を備える、加工プログラム作成装置(60)である。
第3の発明は、ワイヤ放電加工機が1つの加工対象物に対して加工する複数の加工形状(24)を示す図形データ(20)を編集する図形データ編集方法であって、前記図形データを取得する図形取得ステップ(S1)と、複数の前記加工形状を、互いに合同または相似する形状ごとにグルーピングするグループ作成ステップ(S2)と、複数の前記加工形状のうちいずれか1つの第1加工形状(24)に繋がる第1アプローチ経路(52)を、オペレータの操作に応じて前記図形データに付加する経路付加ステップ(S3)と、前記第1加工形状と同じグループに属する第2加工形状(24)に繋がる第2アプローチ経路(58)を、前記第1加工形状と前記第1アプローチ経路とが形成する図形と合同または相似するように、自動で前記図形データに付加する自動経路付加ステップ(S4)と、を含む。
24…加工形状 26…図形取得部
28…グループ作成部 32…分解部
34…選択部 36…探索部
38…並び順決定部 40…判定部
46…経路付加部 48…自動経路付加部
50…第1加工開始位置 52…第1アプローチ経路
56…第2加工開始位置 58…第2アプローチ経路
60…加工プログラム作成装置 64…加工プログラム作成部
66…加工プログラム
Claims (7)
- ワイヤ放電加工機が1つの加工対象物に対して加工する複数の加工形状(24)を示す図形データ(20)を編集する図形データ編集装置(10)であって、
前記図形データを取得する図形取得部(26)と、
複数の前記加工形状を、互いに合同または相似する形状ごとにグルーピングするグループ作成部(28)と、
複数の前記加工形状のうちいずれか1つの第1加工形状(24)に繋がる第1アプローチ経路(52)を、オペレータの操作に応じて前記図形データに付加する経路付加部(46)と、
前記第1加工形状と同じグループに属する第2加工形状(24)に繋がる第2アプローチ経路(58)を、前記第1加工形状と前記第1アプローチ経路とが形成する図形と合同または相似するように、自動で前記図形データに付加する自動経路付加部(48)と、
を備える、図形データ編集装置。 - 請求項1に記載の図形データ編集装置であって、
前記経路付加部は、前記第1加工形状を加工するための第1加工開始位置(50)と、前記第1加工開始位置と前記第1加工形状とを結ぶ前記第1アプローチ経路とを、オペレータの操作に応じて前記図形データに付加し、
前記自動経路付加部は、前記第2加工形状を加工するための第2加工開始位置(56)と、前記第2加工開始位置と前記第2加工形状とを結ぶ前記第2アプローチ経路とを、前記図形データに自動で付加する、図形データ編集装置。 - 請求項1または2に記載の図形データ編集装置であって、
前記グループ作成部は、
複数の前記加工形状の各々を複数の図形要素に分解する分解部(32)と、
複数の前記加工形状の各々の複数の前記図形要素を比較することで、複数の前記加工形状が互いに合同または相似するか否かを判定する判定部(40)と、
を有する、図形データ編集装置。 - 請求項3に記載の図形データ編集装置であって、
複数の前記加工形状の各々の複数の前記図形要素は、前記加工形状を形成する複数の辺を含み、
前記グループ作成部は、
複数の前記加工形状のうちいずれか1つを選択する選択部(34)と、
選択した前記加工形状以外の前記加工形状を形成する複数の前記辺の中から、選択した前記加工形状を形成する複数の前記辺のうちいずれか1つの第1の辺と同じ長さの第2の辺を探索する探索部(36)と、
前記第1の辺に基づいて、選択された前記加工形状を形成する複数の前記辺の第1の並び順を決定し、前記第2の辺に基づいて、前記第2の辺を含む前記加工形状を形成する複数の前記辺の第2の並び順を決定する並び順決定部(38)と、
をさらに有し、
前記判定部は、前記第1の並び順と、前記第2の並び順とに基づいて、選択された前記加工形状と、前記第2の辺を含む前記加工形状とが合同であるか否かを判定する、図形データ編集装置。 - 請求項1~4のいずれか1項に記載の図形データ編集装置であって、
前記第2加工形状が複数ある場合、前記自動経路付加部は、複数の前記第2加工形状の各々に繋がる複数の前記第2アプローチ経路を前記図形データに付加する、図形データ編集装置。 - 請求項1~5のいずれか1項に記載の図形データ編集装置と、
前記加工対象物に対する前記ワイヤ放電加工機のワイヤ電極の相対移動を指令するための加工プログラム(66)を、前記図形データに基づいて作成する加工プログラム作成部(64)と、
を備える、加工プログラム作成装置(60)。 - ワイヤ放電加工機が1つの加工対象物に対して加工する複数の加工形状(24)を示す図形データ(20)を編集する図形データ編集方法であって、
前記図形データを取得する図形取得ステップ(S1)と、
複数の前記加工形状を、互いに合同または相似する形状ごとにグルーピングするグループ作成ステップ(S2)と、
複数の前記加工形状のうちいずれか1つの第1加工形状(24)に繋がる第1アプローチ経路(52)を、オペレータの操作に応じて前記図形データに付加する経路付加ステップ(S3)と、
前記第1加工形状と同じグループに属する第2加工形状(24)に繋がる第2アプローチ経路(58)を、前記第1加工形状と前記第1アプローチ経路とが形成する図形と合同または相似するように、自動で前記図形データに付加する自動経路付加ステップ(S4)と、
を含む、図形データ編集方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180104836.4A CN118354860A (zh) | 2021-12-15 | 2021-12-15 | 图形数据编辑装置、加工程序生成装置及图形数据编辑方法 |
JP2023567391A JPWO2023112207A1 (ja) | 2021-12-15 | 2021-12-15 | |
EP21968123.6A EP4431214A1 (en) | 2021-12-15 | 2021-12-15 | Map-data-editing device, processing program creation device, and map-data-editing method |
PCT/JP2021/046281 WO2023112207A1 (ja) | 2021-12-15 | 2021-12-15 | 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 |
TW111147919A TW202326316A (zh) | 2021-12-15 | 2022-12-14 | 圖形資料編輯裝置、加工程式製作裝置及圖形資料編輯方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/046281 WO2023112207A1 (ja) | 2021-12-15 | 2021-12-15 | 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023112207A1 true WO2023112207A1 (ja) | 2023-06-22 |
Family
ID=86773836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/046281 WO2023112207A1 (ja) | 2021-12-15 | 2021-12-15 | 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4431214A1 (ja) |
JP (1) | JPWO2023112207A1 (ja) |
CN (1) | CN118354860A (ja) |
TW (1) | TW202326316A (ja) |
WO (1) | WO2023112207A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03189708A (ja) | 1989-12-19 | 1991-08-19 | Fanuc Ltd | 金型用cad/camシステムにおける加工形状複写方法 |
JPH04165405A (ja) * | 1990-05-16 | 1992-06-11 | Amada Co Ltd | 自動プログラミング装置 |
JPH06304818A (ja) * | 1993-04-23 | 1994-11-01 | Mitsubishi Electric Corp | ワイヤ放電加工用ncデータ作成方法 |
JPH0736524A (ja) * | 1993-07-23 | 1995-02-07 | Mitsubishi Electric Corp | Cad/cam装置 |
JP2000141135A (ja) * | 1998-11-13 | 2000-05-23 | Okuma Corp | 放電加工制御装置 |
-
2021
- 2021-12-15 WO PCT/JP2021/046281 patent/WO2023112207A1/ja active Application Filing
- 2021-12-15 CN CN202180104836.4A patent/CN118354860A/zh active Pending
- 2021-12-15 JP JP2023567391A patent/JPWO2023112207A1/ja active Pending
- 2021-12-15 EP EP21968123.6A patent/EP4431214A1/en active Pending
-
2022
- 2022-12-14 TW TW111147919A patent/TW202326316A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03189708A (ja) | 1989-12-19 | 1991-08-19 | Fanuc Ltd | 金型用cad/camシステムにおける加工形状複写方法 |
JPH04165405A (ja) * | 1990-05-16 | 1992-06-11 | Amada Co Ltd | 自動プログラミング装置 |
JPH06304818A (ja) * | 1993-04-23 | 1994-11-01 | Mitsubishi Electric Corp | ワイヤ放電加工用ncデータ作成方法 |
JPH0736524A (ja) * | 1993-07-23 | 1995-02-07 | Mitsubishi Electric Corp | Cad/cam装置 |
JP2000141135A (ja) * | 1998-11-13 | 2000-05-23 | Okuma Corp | 放電加工制御装置 |
Also Published As
Publication number | Publication date |
---|---|
TW202326316A (zh) | 2023-07-01 |
JPWO2023112207A1 (ja) | 2023-06-22 |
EP4431214A1 (en) | 2024-09-18 |
CN118354860A (zh) | 2024-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0078856B2 (en) | Numerical control device | |
JPH02293903A (ja) | Cad/cam装置 | |
EP0130219B1 (en) | Method of preparing part program | |
JP5936781B1 (ja) | 数値制御装置、nc加工装置、nc加工方法およびシミュレーション装置 | |
WO2023112207A1 (ja) | 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 | |
JP2797587B2 (ja) | 刺繍データ処理装置 | |
WO2023112206A1 (ja) | 図形データ編集装置、加工プログラム作成装置、および図形データ編集方法 | |
JPH07311612A (ja) | 数値制御装置における加工プログラム編集方法及びその装置 | |
JPS63127853A (ja) | 加工経路の算出方法 | |
JPH01316804A (ja) | 輪郭形状定義方法 | |
JP2629759B2 (ja) | 数値制御加工用データ生成方法 | |
JP2875135B2 (ja) | プログラマブルコントローラ用プログラム装置 | |
JPH03294146A (ja) | 数値制御情報作成機能における加工工程決定装置 | |
JP2000351070A (ja) | 溶接条件設定方法及びシステム | |
WO2022024863A1 (ja) | 加工プログラム編集支援装置 | |
JPH0272413A (ja) | 数値制御装置用プログラム作成装置 | |
JP2789982B2 (ja) | Cad/cam装置 | |
JPH10240790A (ja) | フィレット面の作成指示方法 | |
JPH10283009A (ja) | 荒取加工用工具軌跡の自動生成方法及び装置並びに 荒取加工用工具軌跡の自動生成プログラムを記録した記録媒体 | |
JPH05290130A (ja) | 設計製図における穴加工情報属性付加方法 | |
JPS62140748A (ja) | 自動加工機における加工領域処理装置 | |
JPS62208857A (ja) | 自動加工機におけるパ−トプログラム作成装置 | |
JPH01152510A (ja) | 自動パートプログラム作成方法 | |
JPH08211914A (ja) | 加工データ管理システム | |
WO2004038522A1 (ja) | Cadシステム並びにこれを実行するためのプログラム及びこのプログラムを記録した記録媒体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21968123 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023567391 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021968123 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2021968123 Country of ref document: EP Effective date: 20240610 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |