JPH07182019A - Working information generator - Google Patents

Abstract

PURPOSE:To provide a working information generator with a shape recovering function. CONSTITUTION:This generator is provided with a work shape preparation processing part 24 for adding a working shape to a work shape by moving a three-dimensional work shape and a three-dimensional tool shape based on allocation information inside a registration file 22, performing the set arithmetic of these shapes later and deleting the overlapped part, deleted shape processing part 26 for adding the allocation information to the deleted three-dimensional shape, registration file 27 for registering this processing result, and work shape recovery processing part 28 for recovering the three-dimensional work shape before working by retrieving the deleted shape at any desired step from the allocation information, moving it to the reference position of a working part or the like later and performing the set arithmetic of this three-dimensional deleted shape and the three-dimensional work shape after working.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing information creating device having a shape restoring function.

[0002]

2. Description of the Related Art In recent years, with the development of computers and graphic displays and their peripheral technologies, CAD (computer-aided design) / CAM in which a designer or the like uses a computer (computer) with graphic information as a medium to perform design to processing. (Computer-aided production) system has been put into practical use and its range of application is expanding.

As one application example thereof, for example, there is a CAD / CAM system for studying a machining process, and at present, a work shape, a work posture of a work, allocation information for each machining process and a link to the machine. Although there is a system for changing the shape of the work by a tool set corresponding to the process (for example, Japanese Patent Laid-Open No. 1-1402).
No. 04, No. 2-65945, No. 3-
No. 1201 and Japanese Patent Laid-Open No. 3-46007), there is no system that considers the shape restoration of the machined part (machined hole, machined surface) when the allocation is changed (moving or deleting the process).

[0004]

As described above, the prior art is as follows.
The data structure is not such that the shape can be restored, and when changing the layout, the operation must be started from the beginning, so the usability is not very good.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a processing information creating apparatus having a shape restoring function.

[0006]

In order to achieve the above object, the present invention provides an initial information processing means for defining a three-dimensional shape of a workpiece before machining and setting various information of each machining site, and each of the machining. From the process division processing means that divides the process according to a preset rule, and the processing machine information and the processed region information that have been input, select the processing tool to be used in each divided process according to the preset rule. Then, the tool information processing means for creating the three-dimensional shape of the machining tool and the interactive operation and the automatic processing are used to set which machining step of which machine each divided process should be assigned to. Each processing in each processing step from the allocation information processing means for setting the attitude information, the work attitude information and the processing part information. Position information resetting means for resetting position information of position, three-dimensional work shape is moved based on the work posture information, and three-dimensional tool shape is moved based on the processing part position information, and these three-dimensional work A work shape creation processing unit that performs a set operation of a shape and a three-dimensional tool shape to delete an overlapping portion and adds a processing shape by the processing tool to the work shape, and the deleted three-dimensional shape as the allocation information. The deleted shape processing means registered together with the deleted shape is searched for in the desired processing step from the allocation information, and the searched deleted shape is moved based on the processed part position information. Work shape restoration processing means for performing a set operation with a three-dimensional work shape to restore the three-dimensional work shape before processing. To.

[0007]

In the present invention thus constituted, the initial information processing means defines the three-dimensional shape of the workpiece before processing and sets various information of each processing part, and the process division processing means is Each process part is divided into processes according to a preset rule. The tool information processing means selects a processing tool used in each divided process from the input processing machine information and the processing part information according to a preset rule, and creates a three-dimensional shape of this processing tool. To do. The allocation information processing means sets, by interactive operation and automatic processing, to which machining step of which machine each of the divided processes is allocated, sets the posture information of the work in each machining step, and resets the position information. The means resets the position information of each processing part in each processing step from the work posture information and the processing part information. When adding a machining shape by the corresponding machining tool to the three-dimensional workpiece shape in a certain machining step, the workpiece shape creating processing unit moves the three-dimensional workpiece shape based on the workpiece posture information and also based on the machining site position information. The three-dimensional tool shape is moved, the set operation of these three-dimensional work shape and the three-dimensional tool shape is performed, and the overlapping portion is deleted. The three-dimensional shape thus deleted is registered in the deleted shape processing means together with the layout information. On the other hand, 3 before processing in a certain processing step
When the three-dimensional work shape is restored, the work shape restoration processing unit searches the layout information for a deleted shape in the machining step, moves the searched deleted shape based on the machining site position information, and performs the three-dimensional deletion. A set operation of the shape and the processed three-dimensional work shape is performed. In this way, the three-dimensional shape of the workpiece before processing in the desired processing step is freely restored.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a functional block diagram of an embodiment of a machining information creating apparatus of the present invention, FIG. 2 is a diagram showing an example of a data structure of initial information, FIG. 3 is a diagram showing an example of a machining hole shape, and FIG. 4 is a machining process. FIG. 5 is a diagram showing an example of a data structure of a division database, FIG. 5 is a diagram showing an example of a data structure of machining process division information, FIG. 6 is a diagram showing an example of machine specifications, FIG. 7 is a diagram showing an example of a tooling diagram, and FIG. 8 is a diagram showing an example of the data structure of the tooling information, FIG. 9 is a diagram showing an example of the data structure of the allocation information, FIG. 10 is a flow chart showing the procedure of the process of the same embodiment, and FIG. 11 is the interrupt process of FIG. It is a flowchart.

The machining information generating apparatus shown in FIG. 1 is a line type machine for processing a workpiece (work) such as a cylinder block of an engine.
Or, when machining with a machine that can perform multiple processes with one machine, each machining site (machining hole or machining surface; hereinafter, the hole or surface is referred to as a hole (plane)) is divided into machining processes. When deciding the machining step of which machining head, which machining station, which machining station of the machine, and the machining step of the machine, the division hole (surface) is defined in the shape of the workpiece defined by the three-dimensional solid model. ) Is added or the deleted shape generated at that time is held in a separate file, and the deleted shape is added to the shape of the split hole (face) that was added once to restore the original shape. It is a CAD / CAM system for machining equipment having a function of changing data, and has an input / output interface 10 for managing data transfer between respective units. The input / output interface 10 internally includes an initial information definition unit 11, a registration file 12 for the initial information definition unit 11, and a machining process division database 1.
3, a machining process division information setting unit 14, a registration file 15 therefor, a machine information database 16, a tool setting unit 17, a tooling information database 18, a tooling information creation unit 19, and a registration file 20 therefor.
And the allocation information setting section 21 and the registration file 22 for this
And the position information resetting unit 23 and the work shape creation processing unit 2
4, a registration file 25 for this, and a deletion shape processing unit 26
A registration file 27 for this and a work shape restoration processing unit 28 are connected to each other. Allocation information setting section 2
1 has an allocation setting unit 29 and a coordinate conversion matrix setting unit 30. An input device 31 such as a tablet or a keyboard, a display device 32 such as a high-resolution graphic display, and a printer 33 are connected to the outside of the input / output interface 10.

The initial information processing means is the initial information defining section 11, and the process division processing means is the machining process division information setting section 1.
4. Tool information processing means is used tool setting section 17 and tooling information creating section 19, allocation information processing means is allocation information setting section 21, position information resetting means is position information resetting section 2.
3, the work shape creation processing means is the work shape creation processing unit 2
4. The deleted shape processing means is composed of the deleted shape processing unit 26 and the registration file 27, and the work shape restoration processing unit is constituted by the work shape restoration processing unit 28.

The initial information defining unit 11 uses the input data from the input device 31, graphic data from CAD (not shown), and the like to form a three-dimensional solid model shape of a workpiece (workpiece) in a reference (initial state) before processing. (This is referred to as shape type A) is defined, and from the input data from the input device 31, etc., the hole (face) name of each processing hole (face) (for example, ~ mounting hole, ~ bolt hole, etc.), hole It has a function of setting (face) number, and machining part information such as reference position, direction, final machining shape dimension, and accuracy of each machining hole (face). Initial information about these workpieces and processed parts is stored in a dedicated registration file 12. FIG. 2 shows an example of the data structure of such initial information.
Here, the reference point is data for defining the coordinate system that defines the three-dimensional shape of the work. The direction of each machined hole (face) is the direction with respect to the face that includes the reference position of the machined hole (face), and the accuracy of the final machined shape is, for example, in addition to the accuracy of the hole diameter itself. It also includes the pitch accuracy between two machined holes. FIG. 3 shows an example of the shape of the machined hole together with the dimensions. In the figure, “R” is the reference position of the machined hole.

Further, the machining process division database 13 is
For each machining hole (face) name, a number of prioritized patterns of machining process division methods and machining shapes (including dimensions and precision) in each process after division are registered.
An example of the data structure is as shown in FIG. The priorities of the machining process division methods are set appropriately in advance so that the cost, the number of processes, the equipment, etc. can be reduced as much as possible. Further, the machining shape (including dimensions and precision) of each process after division is defined by variables (parametric shape), and the machining shape can be arbitrarily changed only by changing the value of the variable.

Further, the machining process division information setting unit 14 reads out the hole (face) name, the hole (face) number, the final machining shape dimension and accuracy from the initial information registration file 12 for each machining hole (face). While looking up the machining step division database 13 based on the hole (face) name, the machining step division is automatically performed for each hole (face) number according to the priority order.
A process number is assigned to each divided process, and the dimension and accuracy of the machined shape are automatically set based on the final machined shape dimension and accuracy for each process number added. It has a function to automatically set (for example, drill, tap, etc.). The machining process division information is stored in the dedicated registration file 15. An example of the data structure of such processing step division information is as shown in FIG.

Further, the machine information database 16 is preregistered with the optimum tools for the number of machining machines, machine specifications, and machining information (machining shape dimension / accuracy). In this embodiment, the machine is composed of a plurality of processing stations, for example, as shown in FIG. 6, and each processing station has a turret machine 40 (for example, station 1), a dedicated machine 41 (for example, station 2), and a machining center 42 ( For example, any NC machine tool of station 3) is arranged. However, an idle station (for example, station 4) in which nothing is arranged may be provided in preparation for future addition. Further, each processing station has one or more processing heads 43, and each processing head 43 has one or more processing steps (return operation).
Is designed to run. Machine specifications include NC
In addition to the type of machine tool (turret machine, special-purpose machine, machining center), information such as operating speed, stroke range, and moving axis is included.

Further, the tool setting unit 17 reads the machining information (machining shape dimension / accuracy, type of tool used) of each divided process from the machining process division information registration file 15 and looks up the machine information database 16. However, it has a function of automatically selecting the optimum tool to be used for each process number and determining the tool number. This information is stored in a predetermined location of the machining process division information registration file 15.

Further, the tooling information database 18
Is information of tooling parts (for example, holder, spindle, bearing, etc.) associated with the tool registered for each model number.

Further, the tooling information creating section 19 reads out the tool number of the tool used, which is set by the tool setting section 17 and is stored in the machining step division information registration file 15, for each step number, and also the model number thereof is read. While looking up the tooling information database 18, the tooling information (model, shape of tool, holder, spindle, bearing, etc.) is automatically determined for each machining station of each machine. Two types of tooling shapes are set: a three-dimensional solid model shape and a two-dimensional shape. The former three-dimensional shape is used for a set operation described later, and provides a three-dimensional shape (this is referred to as shape type B) of a tool for processing each process of each processing hole (face). The latter two-dimensional shape is used to create a drawing (tooling drawing). FIG. 7 is an example of a tooling diagram, in which the drill 1 is inserted into the holder 2, and this is inserted through the bearing 3 into the spindle 5 of the gear box 4.
It is shown attached to. In the figure, "6" is a bearing cap, "7" is a bolt, and "8" is an O-ring. The created tooling information is stored in the dedicated registration file 20. FIG. 8 shows an example of the data structure of such tooling information.

The layout information setting unit 21 has the layout setting unit 29 and the coordinate conversion matrix setting unit 30 as described above.

The allocation setting unit 29 assigns a machining station number, a machining head number, and a machining step number for each input number of machines, and determines the process number assigned to each divided process of each machining hole (face). It has a function of setting which machining station number, which machining head number, and which machining step number of the machine are to be assigned. This process is performed in an interactive form with the operator. Further, the allocation setting unit 29, during the above-mentioned allocation processing, machine specification information (NC machine tool type, operating speed, stroke range, moving axis, etc.) stored in the machine information database 16 and tooling information registration file. While referring to the tooling information (especially shape type B) stored in 20 as appropriate, check whether or not machining is possible with the machine, and inconsistency of the process (for example, performing tapping before drilling) ) Is automatically generated, and further, it has a function of automatically performing interference check between the shape types A and B. The results of these checks are displayed to the operator at least when the result is NG.

The coordinate conversion matrix setting unit 30
Reads the initial state (that is, the input state) of the workpiece from the initial information registration file 12 and determines for each assigned machining step the orientation / direction of the workpiece at that machining step relative to the initial state. It has a function of setting the coordinate transformation matrix to be defined as work posture information.

The allocation data and the coordinate conversion matrix respectively set by the allocation setting unit 29 and the coordinate conversion matrix setting unit 30 in this way are stored in a dedicated registration file 22. An example of the data structure of such allocation information is as shown in FIG.

The position information resetting section 23 also assigns the allocation information registration file 2 to the processing step after the allocation is completed.
Using the coordinate transformation matrix stored in 2, all of the machined holes (faces) machined in the machining step,
It has the function of resetting the reference position coordinates and direction (this is abbreviated as reference position etc.) in the processing step. This result is stored in a predetermined location of the allocation information registration file 24 for each process number (see FIG. 9).

Further, the work shape creation processing unit 24 similarly calculates the work posture at the machining step using the coordinate transformation matrix data stored in the allocation information registration file 22 for the machining step after the allocation. , Based on this, the work shape (shape type A) is moved and stored in the tooling information registration file 20 based on the data such as the machining hole (face) reference position stored in the allocation information registration file 22. After moving the three-dimensional shape (shape type B) of the existing tool, the set shape of these work shape (shape type A) and tool shape (shape type B) is calculated, and the overlapping portion is deleted.
It has a function of automatically adding the hole (surface) shape formed by the machining step to the three-dimensional model shape of the work and displaying the result on the display device 32. Also,
The result of this processing is written in the dedicated registration file 25 and sequentially updated, and only the latest one is saved.

Further, the deleted shape processing unit 26 deletes the shape deleted by the set operation, that is, the shape in which the work is deleted by the tool for each step of each machining hole (face) (this is referred to as shape type C). ), The allocation information registration file 22
Has a function of adding the allocation information (which machine, which machining station, which machining head, and which machining step is allocated) stored in the file and save it in a dedicated registration file 27. . The deleted shape is hidden.

Further, the work shape restoration processing section 28 restores the work shape stored in the deleted shape registration file 27 based on the allocation information when the work shape is restored to the state before the work in a certain working step. After searching the shape type C), it is moved based on the data such as the processing hole (face) reference position stored in the allocation information registration file 22, and the deleted shape (shape type C) and the processing of the processing step concerned. It has a function of automatically restoring a work shape before machining by performing a set operation with a work shape afterwards (shape type A). The result of this processing is displayed on the display device 32. This function changes the machining process (for example, moving,
It is used when you want to see the status of a certain processing step of a certain processing station.

Next, the processing procedure of the present apparatus thus configured will be described with reference to the flowcharts of FIGS. 10 and 11. In addition, in the flowcharts of FIGS. 10 and 11,
For convenience, only a machined hole is illustrated as a machined part.

First, when the system start-up switch is turned on, the initial information defining section 11 uses the input data from the input device 31 or the graphic data from the CAD (not shown) by an interactive operation with the operator to make an initial state before processing. The three-dimensional solid model shape (shape type A) of the work in the state is defined, and the hole (face) name, hole (face) number, and hole (face) number of each processing hole (face) are input from the input data from the input device 31. Reference position, direction of each processed hole (face),
Set the machining part information such as final machining shape dimension and accuracy,
The registration file 12 (see FIG. 2) contains these various initial information.
(S1, S2).

Then, the machining process division information setting unit 14
Is the initial information registration file 12 for each processed hole (face).
To hole (face) name, hole (face) number, final machining shape dimensions
While reading the accuracy and looking up the machining process division database 13 (see FIG. 4) based on the hole (face) name, the machining process is automatically divided into hole (face) number units according to the priority order. A process number is attached to each divided process,
Also, the dimension and accuracy of the machining shape are automatically set based on the final machining shape dimension and accuracy for each process number, and the type of tool used (for example, drill, tap, etc.)
Is automatically set, and the obtained machining process division information is stored in the registration file 15 (see FIG. 5) (S3).

Then, when the data of the number of machining machines and specifications to be considered is input through the input device 31 (S4), the tool setting unit 17 uses the machining step division information registration file 15 to divide each division step. The machining information (machining shape dimension / accuracy, type of tool used) of is read out and the optimum tool is automatically selected for each process number while looking up the machine information database 16 to determine the tool number, This information is stored in a predetermined location (see FIG. 5) of the machining process division information registration file 15 (S5).

Then, the tooling information creating section 19
For each process number, the tool number of the tool used, which is set in step 5 and stored in the machining process division information registration file 15, is read out, and the tooling information database 18 is looked up based on the model number, and the tooling information is searched. (Models and shapes of tools, holders, spindles, bearings, etc.) are automatically determined for each machining station of each machine and stored in the registration file 20 (see FIG. 8) (S
6). At this time, as described above, there are two types of tooling shapes, a three-dimensional solid model shape (shape type B) and a two-dimensional shape.

Then, the current processing mode (new allocation mode and process change mode) is judged (S7), and if it is the new allocation mode, the process proceeds to step 8, and if it is the process change mode, the process proceeds to step 14.

That is, in the case of the new allocation mode,
The allocation setting unit 29 assigns a machining station number, a machining head number, and a machining step number for each machine entered in step 4, and then, in an interactive form with the operator, assigns each machining hole (face) to each division process. The assigned process number is assigned to which machine, which machining station number, which machining head number, which machining step number, and the result is stored in the registration file 22 (see FIG. 9) (S8). . In the present embodiment, at the same time as this allocation processing, machine specification information (NC machine tool type, operating speed, stroke range, moving axis, etc.) stored in the machine information database 16 and tooling information registration file While referring to the tooling information (especially shape type B) stored in 20 as appropriate, check whether or not machining is possible with the machine, and inconsistency of the process (for example, performing tapping before drilling) ) Has not occurred, and further, the interference check between the shape types A and B is automatically performed, and if the result of these checks is at least NG, the operator is notified via the display device 32. It is supposed to be displayed.

Then, the coordinate conversion matrix setting unit 3
0 is a coordinate transformation that reads the initial state (that is, the input state) of the work from the initial information registration file 12 and defines which direction / position the posture of the work in the assigned machining step is with respect to the initial state. The matrix is set and the result is stored in a predetermined location (see FIG. 9) of the registration file 22 (S9).

Then, the position information resetting section 23 uses the coordinate transformation matrix stored in the allocation information registration file 22 for the allocated machining steps, and all the machining holes ( The reference position coordinate / direction (reference position, etc.) of the surface in the processing step is reset, and the result is stored in a predetermined location (see FIG. 9) of the allocation information registration file 24 for each process number (S10).

Then, the work shape creation processing section 24
For the assigned machining step, the work posture in the machining step is calculated using the data of the coordinate transformation matrix stored in the allocation information registration file 22, and the work shape (shape type A) is moved based on this. At the same time, the three-dimensional shape (shape type B) of the tool stored in the tooling information registration file 20 is moved based on the data such as the machining hole (face) reference position stored in the allocation information registration file 22. After that, the set shape of the work shape (shape type A) and the tool shape (shape type B) is calculated and the overlapping portion is deleted, and the hole formed by the machining step in the three-dimensional model shape of the work ( (Face) shape is automatically added, the result is displayed on the display device 32, and the registration file 25
To the latest work shape (S1)
1).

Then, the deleted shape processing unit 26 assigns to the shape (shape type C) deleted in step 11 the allocation information stored in the allocation information registration file 22 (which machine, which processing station, which processing). Which machining step of the head is assigned) is added and saved in the dedicated registration file 27 (S1).
2). As described above, this deleted shape is hidden.

Then, it is judged whether or not the allocation process for all the process numbers is completed (S13), and if so, the series of processes is ended, but if not so, the process returns to step 7 and the subsequent processes are repeated. .

On the other hand, in the case of the process change mode as a result of the determination in step 7, for example, when the process is moved or deleted, the work shape restoration processing section 28 causes the work shape restoration processing section 28 to assign information corresponding to the changed process. All the deleted shapes (shape type C) in the corresponding machining step are searched from the deleted shape registration file 27 based on (S14), and the machining hole (face) reference position in the machining step is searched from the allocation information registration file 22. After reading the data (S1
5), the deleted shape retrieved in step 14 is added to step 15
Moved to the machining hole (face) reference position, etc., read in step 2, and delete the shape (shape type C), for example, the registration file 25.
A set operation is performed with the work shape (shape type A) after the machining in the machining step read out from to automatically restore the work shape before the machining, and the result is displayed on the display device 32 (S16). Then, the data of the deleted shape is deleted from the registration file 27 (S17).

Further, when a signal indicating that the operator wants to see the state of a certain machining step at a certain machining station is input during the new allocation process or the process change process, the work shape restoration processing section 28 causes the work shape restoration processing unit 28 to display the state shown in FIG. Transition to the indicated interrupt processing mode. That is, the work shape restoration processing unit 28
Is the deleted shape registration file 27 based on the allocation information.
After searching for all the deleted shapes (shape type C) from the processing step to the processing step (S18), after reading the data such as the processing hole (surface) reference position in each processing step from the allocation information registration file 22 (S19). , Sequentially for each machining step, the deleted shape retrieved in step 18 is moved to the machining hole (face) reference position read in step 19, etc., and the deleted shape (shape type C) and the workpiece shape after machining in that machining step A set operation with (shape type A) is performed to automatically restore the work shape before processing, and the result is displayed on the display device 32 (S20). In this case, unlike the case of the process changing process described above, the retrieved deleted shape data is not deleted from the registration file 27.

Therefore, according to the present embodiment, the three-dimensional work shape before processing in any processing step can be restored (shape restoration function), so that it is possible to change the process or the state up to a certain processing step. It becomes possible to see those states in real time when one wants to see, and the convenience is remarkably improved when an erroneous operation is performed or a trial and error process is examined.

Further, in the present embodiment, the deleted shape (shape type C) is not displayed and the data thereof is not held together with the work shape, but allocation information is added and held in another file 27. Since this is done, it becomes possible to retrieve the deleted shape and restore the work shape only when restoring the shape, and the data becomes lighter. Also, if the deleted shape is not stored in a separate file, the processed shape and the deleted shape must be moved to the reference position of the processing hole (face) etc. each time the posture of the workpiece is changed. Although it takes time, in this embodiment, since the deleted shape (shape type C) is provided in the separate file 27 as described above, only the machining shape is always moved together when the posture of the work is changed. The deleted shape may be moved only at the time of restoration.

Further, in this embodiment, various checks are automatically performed during the allocation process, so that the operator's labor is saved and the convenience is improved.

Further, in the present embodiment, since the work shape changes every moment when the work shape is created and restored, it is possible to perform accurate interference check.

[0044]

As described above, according to the present invention, it is possible to restore the three-dimensional work shape before machining in any machining step, so that it is possible to change the process or the state up to a certain machining step. When they want to see them, they can see their status in real time, which greatly improves convenience.

[Brief description of drawings]

FIG. 1 is a functional block diagram of an embodiment of a processing information creation device of the present invention.

FIG. 2 is a diagram showing an example of a data structure of initial information.

FIG. 3 is a diagram showing an example of a machined hole shape.

FIG. 4 is a diagram showing an example of a data structure of a machining process division database.

FIG. 5 is a diagram showing an example of a data structure of machining process division information.

FIG. 6 is a diagram showing an example of machine specifications.

FIG. 7 is a diagram showing an example of a touring diagram.

FIG. 8 is a diagram showing an example of a data structure of tooling information.

FIG. 9 is a diagram showing an example of a data structure of allocation information.

FIG. 10 is a flowchart showing a processing procedure of the embodiment.

11 is a flowchart of the interrupt processing of FIG.

[Explanation of symbols]

11 ... Initial information definition unit (initial information processing unit) 12, 15, 20, 22, 25 ... Registration file 13 ... Machining process division database 14 ... Machining process division information setting unit (process division processing unit) 16 ... Machine information database 17 ... Tool setting section (tool information processing means) 18 ... Tooling information database 19 ... Tooling information creating section (tool information processing means) 21 ... Allocation information setting section (allocation information processing means) 23 ... Position information resetting section (position information) Resetting means) 24 ... Work shape creation processing section (work shape creation processing means) 26 ... Delete shape processing section (delete shape processing means) 27 ... Registration file (delete shape processing means) 28 ... Work shape restoration processing section (work shape) Restoration processing means)

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Claims (1)

[Claims] 1. An initial information processing means for defining a three-dimensional shape of a workpiece before processing and setting various information of each processing portion, and a process dividing processing means for dividing each processing portion according to a preset rule. According to a preset rule, a processing tool used in each divided process is selected from the input processing machine information and the processing part information, and the processing tool 3
A tool that creates a three-dimensional shape Information processing means, and by interactive operation and automatic processing, set which machining step to assign each divided process to which machining step, and set the posture information of the work at each machining step Allocation information Processing means, position information resetting means for resetting the position information of each processing portion in each processing step from the work posture information and the processing portion information, and moving a three-dimensional workpiece shape based on the workpiece posture information. At the same time, the three-dimensional tool shape is moved on the basis of the processing portion position information, the set operation of the three-dimensional work shape and the three-dimensional tool shape is performed to delete the overlapping portion, and the work shape is defined by the processing tool. Work shape creation processing means for adding a machining shape, and a deleted shape for registering the deleted three-dimensional shape together with the allocation information. Shape processing means and a deleted shape in a desired processing step are searched from the allocation information, the searched deleted shape is moved based on the processing part position information, and the three-dimensional deleted shape and the three-dimensional work shape after processing Perform the set operation with
A workpiece information restoration processing unit that restores a three-dimensional workpiece shape, and a machining information creating apparatus.