JP2010128658A - Written working indication preparation device, method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a written working indication preparation device, method and program for preparing from a three-dimensional model a written working indication which is efficiently understandable and highly convenient by paper-sheet print. <P>SOLUTION: A three-dimensional shape creation part 21 creates input information 30 configured of a three-dimensional product shape 23 and working attribute information 29 by a CAD program. A written working indication preparation part 22 discriminates the type of a tool from the working tool of the working attribute information 29 by the CAM program, and determines the working direction from coordinate information, and creates a numerical control program based on the obtained information and the information of the three-dimensional product shape 23. Working depth and a working time obtained from the numerical control program are stored in an internal memory. Then, the direction of a figure is determined from the coordinate information of the working attribute information 29 by a CAD device, and the working range is determined from the working range information, and the figure of the necessary section of the three-dimensional product shape 23 is automatically displayed, and stored in a memory as image data by a screen copy function. The data are input to the chart of the drawing for a written indication in a predetermined format, and the chart to which the image has been attached is paper-sheet-printed and output. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides a three-dimensional CAD / CAM system for processing instructions printed on paper to support the work of a person in charge of processing a workpiece of a three-dimensional CAD design model into a product or a person in charge of measuring a product. The present invention relates to a processing instruction creation apparatus, a method, and a program created by using the processing instruction.

Conventionally, when designing products with 3D CAD, information used for machining and measurement operations such as machining processes, machining instructions, inspection instructions, and assembly instructions is added to the 3D CAD design model as a note. Then, the information added as shown in the notes and the 3D CAD design model are confirmed by a processing person or a measurement person using a 3D viewer, so that a 3D CAD design model with additional information is obtained. A method of using it like a work instruction via a three-dimensional viewer is disclosed (for example, see Patent Document 1).
Japanese Patent Application Laid-Open No. 2004-240659

  However, since the technique of Patent Document 1 is a work instruction using a three-dimensional viewer, a personal computer storing a three-dimensional CAD design model with additional information and a three-dimensional viewer for each work place where processing and measurement are performed. It is necessary to install a system, which increases capital investment.

  In order to obtain processing and measurement instructions, the person in charge needs to operate the personal computer to obtain a desired instruction by rotating, enlarging, or reducing the product model displayed on the three-dimensional viewer. In this case, there is a problem that the efficiency does not increase when performing processing and measurement including many steps.

  The present invention has been made in view of the problems as described above, and can reduce a capital investment and efficiently understand a work instruction necessary for machining and measurement, and a highly convenient machining instruction sheet can be obtained by a three-dimensional CAD. It is an object of the present invention to provide a processing instruction creation apparatus, method and program that can be created from a design model.

 In order to achieve the above object, a processing instruction creating apparatus according to the present invention is a processing instruction creating apparatus using a three-dimensional CAD / CAM system, and is a three-dimensional shape information storage means for storing three-dimensional shape information. Attribute information for adding processing attribute information including at least processing method, processing range, and processing direction information necessary for processing the three-dimensional shape to the three-dimensional shape information stored in the three-dimensional shape information storage means Means, processing information acquisition means for acquiring processing attribute information from the attribute information adding means, and information and processing of the three-dimensional shape acquired by the processing information acquisition means And a processing instruction output means for printing out the processing instruction based on the attribute information.

In order to achieve the above object, the machining instruction creation method of the present invention is a machining instruction creation method using a three-dimensional CAD / CAM system, and stores three-dimensional shape information. An attribute for adding processing attribute information including at least processing method, processing range, and processing direction information necessary for processing the three-dimensional shape to the information of the three-dimensional shape stored in the storage step and the three-dimensional shape information storage step An information addition step, a processing information acquisition step for acquiring the three-dimensional shape information stored in the information storage step and the processing attribute information added in the attribute information addition step, and the 3 acquired by the processing information acquisition step And a processing instruction output step for printing out a processing instruction based on the dimension shape information and the processing attribute information.

  In order to achieve the above object, the machining instruction creation program of the present invention is a machining instruction creation program configured to be readable by a computer and creating a machining instruction using a three-dimensional CAD / CAM system. 3D shape information storage processing for storing 3D shape information, 3D shape information stored by the 3D shape information storage processing, and at least a processing method and a processing range necessary for processing the 3D shape. Processing information for adding processing attribute information including processing direction information, processing information for acquiring three-dimensional shape information stored in information storage processing, and processing attribute information added in the attribute information addition processing An acquisition process and a processing instruction output process for printing out a processing instruction based on the three-dimensional shape information and the processing attribute information acquired by the processing information acquisition process. Characterized in that to execute the computer.

  According to the present invention, it is possible to create a processing instruction sheet that can reduce the capital investment and can create a processing instruction for printing on the paper with high convenience so that a person in charge of processing and measurement can efficiently understand the instruction of the work contents from the three-dimensional CAD design model. An apparatus, a method, and a program can be provided.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 is a functional block diagram showing a schematic configuration of a processing instruction creation apparatus according to the first embodiment. The processing instruction document creation device 10 includes, for example, a personal computer, and includes a control unit 11, a display unit 13 connected to the control unit 11 via a bus 12, an input unit 14, a main storage device 15, and an external storage device. 16.

  The display unit 13 is configured by a CRT (cathode ray tube) display device, an LCD (liquid crystal display) display device, or the like, and displays input data or a calculation result performed by the control unit 11. The calculation result performed by the control unit 11 includes three-dimensional shape data. In this case, the display unit 13 displays a three-dimensional CAD design model based on the calculation result, for example, an image having a shape such as the three-dimensional product shape 23 in FIG. Is displayed in a freely rotatable manner.

  The input unit 14 includes a keyboard, a pointing device, and the like. The keyboard includes a plurality of operation keys for inputting numbers, characters, and various commands, and outputs status signals of these operation keys to the control unit 11. . The pointing device is composed of a mouse, for example, and designates an arbitrary position on the screen displayed on the display device of the display unit 13.

  The external storage device 16 is composed of, for example, an HD (hard disk) or the like, and is read from an external recording medium inputted from a keyboard of the input unit 14 or via an I / O (input / output interface) unit (not shown). Various data, files, tables, programs, and the like are stored, and the data, files, tables, programs, and the like are transferred to the main storage device 15 under the control of the control unit 11.

  The main storage device 15 includes, for example, a ROM (read only memory), a RAM (Random Access Memory), and the like, and the control program for the processing instruction creation device 10 is stored in the ROM. Further, as shown in the figure, a three-dimensional CAD / CAM program 17 read from the external storage device 16 is resident in the RAM.

The three-dimensional CAD / CAM program 17 includes a CAD unit 18 and a CAM unit 19, and includes a CA unit 19 and a CA unit 19.
The D unit 18 is equipped with a program module of the three-dimensional shape creating unit 21 for creating attribute information necessary for creating the machining instruction. Further, the CAM unit 19 is equipped with a program module of the machining instruction creation unit 22 that stores processing necessary for automatically creating a machining instruction.

  Other configurations of the three-dimensional CAD / CAM program 17 include a general three-dimensional CAD / CAM program. With this three-dimensional CAD / CAM program, it is possible to create a three-dimensional CAD design model and calculate machining information such as end mill movement and motion conditions for the three-dimensional CAD design model.

  The control unit 11 is composed of, for example, a CPU (central processing unit), and activates the three-dimensional CAD / CAM program 17 based on a start instruction input from the keyboard of the input unit 14 while controlling the above-described units. Program modules such as the dimension shape creation unit 21 and the processing instruction creation unit 22 are executed.

  FIG. 2 is a perspective view showing an example of a three-dimensional product shape (three-dimensional shape information) as a three-dimensional CAD design model serving as input information of this example, and is added to the three-dimensional product shape below. It is a figure which shows the example of the shape creation log | history used as this information.

  The shape of the three-dimensional product shape 23 shown in FIG. 2 includes an extruded feature A24 obtained by extruding a rectangular shape and thickening, and a cut feature A25 obtained by cutting a rectangular shape (the corners of the four corners are R) to form depressions. The cut feature B26 is formed by cutting a circular shape into a hollow.

  To this three-dimensional product shape 23, a shape creation history 27 having a tree-like data structure is added. The shape creation history 27 is given shape information, size information, and position information for each feature.

  The position information is set in coordinates in the xy direction (in the drawing, the right direction is x plus and the upward direction is y plus) with the center of the bottom surface of the three-dimensional product shape 23 as the reference point 28. Further, the three-dimensional product shape 23 shown in this example is created by the CAD unit 18 of FIG.

  FIG. 3 is a diagram illustrating a series of processes in the processing instruction creation method of the processing instruction creation device 10 in the present embodiment. The three-dimensional product shape 23 shown in FIG. 3 is the same as the three-dimensional shape 23 shown in FIG. Further, the processing range information of the processing attribute information 29a and 29b of the input information 30 shown in FIG. 3 is the same as the shape, size, and position information included in each feature shown in the lower part of FIG.

  As shown in detail in FIG. 3, input information 30 used in the present embodiment includes three-dimensional shape information 23 and processing attribute information 29 including processing range information corresponding to the shape creation history 27 shown in the lower part of FIG. 2. have. 3 is added to the drawing shape (cut feature A25, cut feature B26) and the extrusion shape (extrusion feature A24) constituting the three-dimensional product shape 23.

  Therefore, as long as the correlation with each feature can be ensured, the processing attribute information 29 may be in any format (for example, text format, XML format, HTML format, etc.).

In the input information 30 shown in FIG. 3, the processing attribute information 29 is divided for each feature, the processing attribute information 29a corresponds to the cut feature A25, and the processing attribute information 29b corresponds to the cut feature B26.

  Each processing attribute information 29 includes processing information, coordinate information, and processing range information. The processing range information includes shape information, size information, and position information corresponding to the shape creation history 27 shown in the lower part of FIG. The machining information includes a tool to be used (for example, a flat end mill), a blade diameter (for example, φ6, φ4, etc.), a machining method (for example, pocket machining, contour machining, etc.), a tool rotation speed (for example, S4000, S4600, etc.) Speed (for example, F200, F140, etc.), processing amount set for each coordinate direction (for example, Z pick = 1.0, XY pick = 3.0, etc.), presence / absence of uncut amount, exercise method (for example, zigzag, up) Data (information) such as a cut is prepared for input.

  In the coordinate information, the processing coordinates are indicated in the z direction. In the figure, the z direction is the depth direction in the drawing, the front direction in the depth direction of the drawing is z plus, and the opposite side direction is z minus. As coordinate information, z plus is indicated by Origin01, and z minus is indicated by Originin02. The origin of the z coordinate is the reference point 28.

  The processing range information is indicated by feature names such as cut feature A and cut feature B. The cut feature A and the cut feature B are the same as the feature A and the feature B in the shape creation history 27 shown in the lower part of FIG. Thus, the input information 30 is information in which the three-dimensional product shape 23 and the processing attribute information 29 are integrated.

  Further, the creation of the above-described three-dimensional product shape 23 can be realized by using the three-dimensional shape creation unit 21 shown in FIG.

  The processing step 31 shown in FIG. 3 is a processing step for creating a processing instruction in the present embodiment, which will be described later in detail, and is processed by the three-dimensional shape creation unit 21 based on the input information 30 described above. It is a processing step.

  A part of this step is incorporated in a system of a manufacturing support apparatus generally called CAM, and processing is automatically executed when input information as shown by input information 30 in FIG. 3 is passed to the CAM system. The output information 32 is output.

  The output information 32 is a numerical control program 34 for processing the three-dimensional product shape 23 in the processing instruction drawing 33 printed on the paper shown in the lower part of FIG. 3 and the processing instruction drawing 33 stored and stored in the storage medium.

  Below the processing instruction drawing 33, a three-dimensional product shape 23 viewed from above is shown. On the upper surface of the extrusion feature A24, a rectangular outline of the cut feature A25 and a circular outline of the cut feature B26 are shown. Number 1 and number 2 are given inside each contour.

  These numbers 1 and 2 correspond to the instruction contents 1 and 2 indicating the specific processing method shown above the processing instruction drawing 33. In the instruction contents 1 and 2, processing information corresponding to the input information 30 described above is described. Corresponding to the figure consisting of a solid line and a broken line below, a specific machining method of the cut feature A25 or B26 is shown.

Taking the instruction content 1 corresponding to the cut feature A25 as an example and explaining the machining method using a tool, the solid line 35 is the outline of the machining area, the broken line 36 is the actual machining range (the machining locus of the tool), and the broken line 37 is one of the broken lines 37. Indicates the position and direction in which the tool enters, and the other end of the broken line 37 indicates the position and direction in which the tool exits. The position of the contact point between the broken line 36 and the broken line 37 indicates the machining start position and machining end position of the tool.

  This processing instruction sheet 32 can be created using the macro function of the table creation software or word processor software. Further, the processing instruction sheet 32 is created by writing the processing attribute information 29 (29a, 29b) of the input information 30 and the information obtained in the processing of the processing step 31.

  FIG. 4 is a diagram showing processing by the three-dimensional shape creation unit 21 of FIG. In the present embodiment, the processing information 40, coordinate information 41, and processing range information 42 used for the processing attribute information are generated in order to create a processing instruction printed on a paper surface that can be easily understood by a processing person. I use it. The processing information 40, coordinate information 41, and processing range information 42 are the same as the processing information, coordinate information, and processing range information included in the processing attribute information 29 shown in FIG.

A method of adding the coordinate information 41 and the processing range information 42 to the three-dimensional product shape 23 will be described using the three-dimensional shape creation step S20 shown in FIG.
The base shape (material) creation processing S21 and the shape creation command selection processing S22 in the three-dimensional shape creation step S20 are general CAD operations, and information other than the shape is not added at this stage. To do.

  First, when the base shape (material) creation process S21 is performed, the first (first) three-dimensional outline shape 50 is generated. This first three-dimensional outline shape 50 corresponds to the extrusion feature A24 shown in FIGS.

Next, in the shape creation command selection process S22, machining information 40, which is machining attribute information, is determined.
In the next processing shape sketch processing S23, a shape to be processed is created for the first three-dimensional outline shape 50 created in the base shape (material) creation processing S21. By this process, a second three-dimensional outline shape 52 is generated by adding a processed shape 51 when viewed from the top to the first three-dimensional outline shape 50. Here, the processed shape 51 corresponds to the cut feature A25 shown in FIGS.

  An axis passing through the drawing surface of the machining shape 51 created here is perpendicular to the coordinate information 41. At this stage, no axis vector has been determined for the axis of the coordinate information 41. At this stage, only the inclination of the coordinate information 41 is determined. In addition, the processing shape drawing range is processing range information on the XY plane of the processing range information 42. At this stage, the processing range information in the depth direction of the processing range information 42 has not been determined yet.

  In the next processing shape three-dimensional processing S24, the vector direction of the coordinate information 41 and the depth information of the processing range information 42 not determined in the processing shape sketch processing S23 are determined, and each information is completed.

  Here, the vector direction of the coordinate information 41 is determined by which direction the drawn shape is drawn. Since the drawing direction is the direction in which the material is removed when processing, the vector opposite to that direction is set as the vector direction of the coordinate information 41.

  Further, in the processing shape three-dimensional processing S24, it is necessary to input the drawing amount, and this information becomes the processing range in the depth direction of the processing range information 42. Through the above processing, an intermediate three-dimensional product shape 53 that is a shape up to the middle of the three-dimensional product shape 23 is generated.

  Although not shown in FIG. 4, the above process is repeated, and the three-dimensional product shape 23 in which two cut features A25 and B26 shown in FIGS. 2 and 3 are drawn. The drawing of is completed.

  In this way, the processing information 40, coordinate information 41, and processing range information 42 can be added to the three-dimensional product shape 23 by the processing by the three-dimensional shape creation unit 21, and the three-dimensional product shape 23 and its three-dimensional Input information 30 having processing attribute information 29 added to the product shape 23 is completed in a predetermined storage area of the CAD unit 18.

Next, a method for processing input information will be described.
FIG. 5 is a flowchart showing details of processing performed by the processing instruction creation unit 22 shown in FIG. 1 of the processing instruction creation device 10 of this example. In FIG. 5, when the input information 30 is read, the processing instruction creation unit 22 starts processing (S30).

  First, the processing attribute information 29 is read (S31). Next, the machining tool is read from the machining information 40 described in the read machining attribute information 29 to determine what is used as the machining tool (S32). Further, the coordinate information 41 is read, and the machining direction is determined based on the read coordinate information (S33).

  Then, a numerical control program is created using the read information or information obtained by the determination and the information of the three-dimensional product shape 23 (S34). As described above, when the numerical control program is completed, the machining depth and machining time when the machining is actually performed can be calculated.

  Thereby, following the above, the processing depth is acquired (S35), and the processing time is acquired (S36). The acquired machining depth and machining time are respectively stored and saved in a predetermined storage area such as an internal memory of the machining instruction creation apparatus 10.

  Next, an instruction drawing drawing acquisition process is performed (S37). In this process, the coordinate information 41 and the processing range information 42 in the processing attribute information 29 are used. Specifically, the direction of the drawing to be acquired is determined by the coordinate information 41, and the range of the drawing to be acquired is determined by the processing range information 42.

  Once the direction and range of the drawing to be acquired are determined, a general CAD device automatically enlarges, reduces, and rotates the three-dimensional product shape 23 based on this information, and automatically draws only the necessary drawing. It can be displayed.

  The drawing thus obtained is stored as image data in a storage area of the personal computer using a screen copy or the like, which is a general function of the personal computer constituting the processing instruction creation apparatus 10.

  Finally, an instruction book creation process is performed (S38). In this process, the processing depth, processing time, and instruction sheet drawings obtained so far can be called and created by inputting data or pasting an image on a table whose format has been determined in advance.

Thereafter, a table with data input and images pasted is printed on a sheet as a processing instruction sheet.
By doing as described above, it becomes possible to create a processing instruction sheet for paper printing that can be easily understood by a processing person and can be read immediately at the work site as needed. Further, since it can be provided to the worker as a processing instruction sheet for easy-to-handle paper printing, not only the processing person can easily understand in this way, but also the convenience of the work instruction is improved.

  In addition, this invention is not limited to the said embodiment, In the implementation stage, it can change variously in the range which does not change the summary.

It is a functional block diagram which shows schematic structure of the process instruction creation apparatus in 1st Embodiment. It is a figure which shows the example of the 3D product shape used as the input information of the process instruction creation apparatus in 1st Embodiment, and the example of the shape creation log | history added to a 3D product shape. It is a figure explaining a series of processes of the process instruction creation method of the process instruction creation apparatus in 1st Embodiment. It is a figure explaining the process by the three-dimensional product shape creation part of the process instruction creation apparatus in 1st Embodiment. It is a flowchart which shows the detail of the process performed by the process instruction creation part of the process instruction creation apparatus in 1st Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Processing instruction preparation apparatus 11 Control part 12 Bus 13 Display part 14 Input part 15 Main memory 16 External storage 17 Three-dimensional CAD / CAM program 18 CAD part 19 CAM part 21 Three-dimensional shape preparation part 22 Processing instruction preparation part 22 23 3D product shape 24 Extrusion feature A
25 Cut feature A
26 Cut feature B
27 Shape creation history 28 Reference point 29 (29a, 29b) Machining attribute information 30 Input information 31 Processing step 32 Output information 33 Machining instruction 34 Program 35 Machining area outline 36 Machining range (tool machining trajectory)
37 Trajectory at the start / end of tool machining 40 Machining information 41 Coordinate information 42 Machining range information 50 First three-dimensional outline 51 Machining shape 52 Second three-dimensional outline 53 Intermediate three-dimensional product shape

Claims (9)

A processing instruction creation apparatus using a three-dimensional CAD / CAM system,
3D shape information storage means for storing 3D shape information;
Attribute information addition for adding processing attribute information including at least processing method, processing range and processing direction information necessary for processing the three-dimensional shape to the three-dimensional shape information stored in the three-dimensional shape information storage means Means,
Processing information acquisition means for acquiring information on the three-dimensional shape from the information storage means and acquiring the processing attribute information from the attribute information addition means;
Processing instruction output means for printing out a processing instruction based on the information of the three-dimensional shape acquired by the processing information acquisition means and the processing attribute information;
A processing instruction creation apparatus characterized by comprising:   The information on the machining method includes the shape of the tool used for machining, the feed rate of the tool, the number of rotations of the tool, the feed amount per machining depth direction, the feed amount per machining horizontal direction, and the uncut machining. The machining instruction creating apparatus according to claim 1, further comprising information on an amount and a movement method of the tool.   The processing instruction creating apparatus according to claim 1, wherein the processing range information includes maximum value information in a horizontal direction of a processing target shape.   The processing instruction creating apparatus according to claim 1, wherein the information on the processing direction includes information on an upper surface of the work as viewed from the processing direction of the shape to be processed.   The processing instruction creation apparatus according to claim 1, wherein the processing instruction is added with instruction content corresponding to replacement of a processing tool.   6. The processing instruction creating apparatus according to claim 1, wherein the processing instruction is added with an instruction content corresponding to a change in a processing direction.   7. The processing instruction creation apparatus according to claim 1, wherein processing time information is added to the instruction content of the processing instruction. A method for creating a processing instruction using a three-dimensional CAD / CAM system,
A three-dimensional shape information storage step for storing three-dimensional shape information;
Attribute information addition for adding processing attribute information including at least processing method, processing range, and processing direction information necessary for processing the three-dimensional shape to the three-dimensional shape information stored in the three-dimensional shape information storage step Process,
A machining information acquisition step of acquiring the information of the three-dimensional shape stored in the information storage step and the processing attribute information added in the attribute information addition step;
A processing instruction output step for printing out a processing instruction based on the information of the three-dimensional shape acquired by the processing information acquisition step and the processing attribute information;
A processing instruction document creating method characterized by comprising: A machining instruction creation program configured to be readable by a computer and creating a machining instruction using a three-dimensional CAD / CAM system,
3D shape information storage processing for storing 3D shape information;
Attribute information addition for adding processing attribute information including at least processing method, processing range, and processing direction information necessary for processing the three-dimensional shape to the three-dimensional shape information stored by the three-dimensional shape information storage process Processing,
Processing information acquisition processing for acquiring the three-dimensional shape information stored in the information storage processing and the processing attribute information added in the attribute information addition processing;
A processing instruction output process for printing out a processing instruction based on the information on the three-dimensional shape acquired by the processing information acquisition processing and the processing attribute information;
The processing instruction creation program characterized by causing the computer to execute.