JP2011025325A - Cutting support system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutting support system with which even a beginner of a cutting tool can easily select the cutting tool and can early learn skills of cutting. <P>SOLUTION: The cutting support system includes an input/output unit for inputting design drawing of a workpiece as drawing data, a drawing data analysis unit for classifying cut portions of the workpiece into predetermined cutting operations based on the drawing data and a cutting tool selecting unit for selecting the cutting tool suitable for the cutting. With this constitution, even a beginner of the cutting tool can easily select the cutting tool by automatically selecting the cutting tool based on the input drawing data and can rapidly learn the skills of cutting. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a cutting support system, and more particularly to a cutting support system that supports selection of an appropriate cutting tool.

  Conventional technology simulates cutting force, creates cutting force database, calculates machining pattern from tool path information, predicts cutting force with reference to cutting force database, and predicts cutting force The cutting conditions are adjusted so that the force falls within a predetermined range (see, for example, Patent Document 1).

JP 2008-134413 A

  However, the conventional technology is aimed at predicting the cutting resistance force, adjusting the cutting conditions so that the predicted cutting resistance force falls within a predetermined range, and optimizing the cutting conditions. It is not intended for beginners to be able to easily select a cutting tool.

  The present invention has been made to solve the conventional problems, and is a cutting warfare system that enables a cutting tool to be easily selected even by a cutting tool novice and to learn cutting skills early. The purpose is to provide.

  The cutting support system of the present invention includes an input / output unit that inputs a design drawing of a workpiece as drawing data, a drawing data analysis unit that classifies the cutting portion of the workpiece into a predetermined cutting process based on the drawing data, A cutting tool selection unit that selects a cutting tool corresponding to the cutting process.

  According to this configuration, by automatically selecting a cutting tool based on the input drawing data, even a cutting tool beginner can easily select a cutting tool, and learn cutting skills early. be able to.

  In the cutting support system of the present invention, the drawing data analysis unit is configured to determine the workpiece based on the drawing data including at least one of geometric information, tolerance information, material information, hole information, and screw information of the workpiece. The cutting part is classified into a predetermined cutting process.

  According to this configuration, by classifying into cutting based on geometric information, tolerance information, material information, hole information, or screw information, it is possible to classify into appropriate cutting based on multifaceted information.

  In the cutting support system of the present invention, the drawing data analysis unit is classified into at least one of the cutting processes of outer diameter, inner diameter, grooving, parting, threading, chamfering, and drilling based on the drawing data. To do.

  According to this configuration, by classifying into major cutting processes such as outer diameter, inner diameter, grooving, parting off, threading, chamfering, and drilling, an appropriate cutting tool corresponding to these can be selected. .

  In the cutting support system of the present invention, the cutting tool selection unit is configured to use an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, and a drill based on the drawing data and the cutting process. , At least one of a center drill, a boring tool, a U drill, and an end mill is selected as the cutting tool.

  According to this configuration, an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, a drill, a center drill, a boring bit, a U drill, or an end mill is selected according to the cutting process. Thus, the cutting tool can be automatically selected based on the input drawing data.

  In the cutting support system of the present invention, the cutting tool selection unit includes a diameter, a total length, a tip material, a manufacturer, a clamp method, a tip shape, a cutting edge shape, a tip clearance angle, a shank height of the selected cutting tool, At least one of a shank width, a holder length, and a tip cutting edge length is further selected.

  According to this configuration, the diameter, total length, tip material, manufacturer, clamping method, tip shape, cutting edge shape, tip clearance angle, shank height, shank width, holder length, or tip cutting blade of the selected cutting tool By further selecting the length, a more appropriate cutting tool can be automatically selected.

  The cutting support system of the present invention includes a cutting process determination unit that determines a cutting process based on the cutting process classified by the drawing data analysis unit.

  According to this configuration, the cutting process can be automatically determined based on the input drawing data by determining the cutting process according to the cutting process.

  The cutting support system of the present invention includes a display unit that displays the cutting tool selected by the cutting tool selection unit or the cutting process determined by the cutting process determination unit together with the design drawing of the workpiece.

  According to this configuration, information on the automatically selected cutting tool or the automatically determined cutting process is displayed on the display unit together with the workpiece design drawing, so that even a cutting tool beginner can easily perform the operation. A cutting tool can be selected, and cutting skills can be acquired early.

  The cutting support system according to the present invention includes a change history database that stores a history of changing the cutting tool selected by the cutting tool selection unit or the cutting step determined by the cutting step determination unit, and the change history database. And a change frequency calculating unit that calculates the change frequency of the cutting tool or the cutting process based on the history stored in the memory.

  According to this configuration, by calculating the change frequency of the cutting tool or the cutting process based on the history, the accuracy of the information of the automatically selected cutting tool or the automatically determined cutting process can be measured. it can.

  In the cutting support system of the present invention, the display unit displays the cutting tool or the cutting process in order of the change frequency, and based on the change frequency displayed on the display unit, the cutting tool or the When the cutting process is changed, the change history database updates the history.

  According to this configuration, by displaying the change frequency on the display unit in descending order, the cutting tool or the cutting process can be easily corrected even by a cutting tool novice, and the cutting skill can be acquired early. .

  The present invention relates to an input / output unit that inputs a design drawing of a workpiece as drawing data, a drawing data analysis unit that classifies the cutting portion of the workpiece into a predetermined cutting process based on the drawing data, and a cutting tool corresponding to the cutting process. By providing a cutting tool selection unit for selecting a cutting tool selection system, it is possible to easily select a cutting tool even for beginners of cutting tools, and to obtain a cutting processing support system having an effect of being able to learn cutting skills early. It is to provide.

It is the figure which showed the cutting assistance system concerning the 1st Embodiment of this invention. It is the figure which showed the information which the drawing database 20 stores. It is the figure which showed the cutting tool information which the cutting tool database 21 stores. It is the figure which showed the cutting tool detailed information which the cutting tool database 21 stores. It is the figure which showed the example of the cutting tool stored in the cutting tool database. It is the figure which showed the information which the cutting process database 22 stores. It is the flowchart which showed operation | movement of the cutting assistance system concerning the 1st Embodiment of this invention. 4 is a diagram illustrating an example of drawing data input by an input unit 11. FIG. It is the figure which showed an example of the various data which the display 3 concerning the 1st Embodiment of this invention displays. It is the figure which showed the cutting assistance system 200 concerning the 2nd Embodiment of this invention. It is the flowchart which showed operation | movement of the cutting assistance system concerning the 2nd Embodiment of this invention. It is the figure which showed an example of the various data which the display 3 concerning the 2nd Embodiment of this invention displays.

(First embodiment)
Hereinafter, a cutting support system according to a first embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 shows a cutting support system according to a first embodiment of the present invention. As shown in FIG. 1, the cutting support system 100 includes a CAD / CAM 1, a design drawing reading device 2, a display (display unit) 3, a cutting support device 10, a drawing database 20, a cutting tool database 21, and a cutting process database. 22. The cutting tool support apparatus 10 includes a bus 9, an input / output unit 11, a drawing data analysis unit 12, a cutting tool selection unit 13, a cutting process determination unit 14, and an information change unit 15.

  The CAD / CAM 1 outputs, as drawing data, a design drawing of a work created by computer-aided design or computer-aided manufacturing. The design drawing reading device 2 reads and digitizes a work design drawing described on a paper or the like, and outputs the work design drawing as drawing data.

  The display 3 is connected to the CAD / CAM 1, the design drawing reading device 2, and the input / output unit 11. The display 3 displays drawing data output by the CAD / CAM 1 or the design drawing reading device 2. The display 3 displays various data output from the input / output unit 11.

  The bus 9 connects the input / output unit 11, the drawing data analysis unit 12, the cutting tool selection unit 13, the cutting process determination unit 14, the drawing database 20, the cutting tool database 21, and the cutting process database 22, and is connected to the bus 9. The device exchanges data via the bus 9.

  The input / output unit 11 inputs the drawing data output from the CAD / CAM 1 or the design drawing reading device 2 to the cutting support device 10. The input / output unit 11 outputs the data calculated by the cutting support device 10 and the data stored in the drawing database 20, the cutting tool database 21, and the cutting process database 22 to the display 3.

  Based on the drawing data input from the input / output unit 11, the drawing data analysis unit 12 classifies the workpiece cutting unit into a predetermined cutting process. The drawing data analysis unit 12 classifies the workpiece cutting portion into a predetermined cutting process based on drawing data including at least one of workpiece geometric information, tolerance information, material information, hole information, and screw information.

  The cutting tool selection unit 13 selects a cutting tool corresponding to the cutting process classified by the drawing data analysis unit 12. The cutting tool selection unit 13 is based on the cutting process classified by the drawing data analysis unit 12, an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, a drill, a center drill, and a boring. At least one of a cutting tool, a U-drill, and an end mill is selected as a cutting tool. Further, the cutting tool selection unit 13 selects the diameter, total length, tip material, manufacturer, clamp method, tip shape, cutting edge shape, tip clearance angle, shank height, shank width, holder length of the selected cutting tool, At least one of the cutting edge lengths is further selected.

  The cutting process determination unit 14 determines the cutting process based on the cutting process selected by the drawing data analysis unit 12 and the cutting tool selected by the cutting tool selection unit 13.

  The information changing unit 15 changes information related to the cutting tool selected by the cutting tool selecting unit 13 or the cutting process determined by the cutting process determining unit 14.

  FIG. 2 is a diagram showing information stored in the drawing database 20. As shown in FIG. 2, the drawing database 20 stores workpiece information such as workpiece geometric information, tolerance information, material information, hole information, and screw information. Further, the drawing database 20 stores cutting information such as outer diameter, inner diameter, grooving, parting, threading, chamfering, and drilling. The drawing database 20 stores cutting information corresponding to workpiece information in association with each other. For example, drilling cutting information is associated with geometric information related to a drilling portion of a workpiece, and threading cutting information is associated with screw information regarding the number of pitches.

  FIG. 3 is a diagram showing information stored in the cutting tool database 21. As shown in FIG. 3, the cutting tool database 21 includes cuttings related to outer diameter tools, inner diameter tools, grooving tools, parting tools, thread cutting tools, chamfering tools, drills, center drills, boring tools, U drills, and end mills. Stores tool information (diameter, total length, insert material, and manufacturer). Further, as shown in FIG. 4, the cutting tool database 21 includes cutting tool detailed information (clamp method, chip shape, cutting edge shape, chip clearance angle, shank height, shank width, holder length, and chip) regarding each tool. (Cutting blade length) is stored.

  FIG. 5 is a diagram showing an example of a cutting tool stored in the cutting tool database 21. Fig.5 (a) is the cutting tool used for an outer diameter. FIG. 5B is a cutting tool used for the inner diameter. FIG. 5 (c) shows a cutting tool used for outer diameter deep grooving. FIG. 5D shows a cutting tool used for parting off. FIG. 5E shows a cutting tool used for threading. FIG. 5F shows a cutting tool used for drilling.

  The cutting tool database 21 stores the cutting tool information and the cutting tool detailed information corresponding to the workpiece information and the cutting information in the drawing database 20 in association with each other. For example, the cutting tool information of the outer diameter tool is associated with the cutting information regarding the outer diameter and the workpiece information regarding the tolerance, and the cutting tool information of the chip material is associated with the workpiece information regarding the material information.

  FIG. 6 is a diagram showing information stored in the cutting process database 22. As shown in FIG. 6, the cutting process database 22 stores cutting process information related to processes, cutting, cutting tools, cutting speeds, feed rates, coolants, table rotation speeds, and tool replacement times. Here, the cutting process information related to the cutting process and the cutting tool is associated with the cutting process information and the cutting tool information (cutting tool detailed information) stored in the cutting process database 20 and the cutting tool database 21.

  Next, operation | movement of the cutting assistance system concerning this Embodiment is demonstrated. FIG. 7 is a flowchart showing the operation of the cutting support system according to the present embodiment.

  As shown in FIG. 7, in step S100, the CAD / CAM 1 or the design drawing reading device 2 outputs the design drawing of the work as drawing data, and the input / output unit 11 outputs the CAD / CAM 1 or the design drawing reading device 2. The drawing data to be processed is input to the cutting support device 10. FIG. 8 is a diagram illustrating an example of drawing data input by the input unit 11.

  In step S102, the drawing data analysis unit 12 converts the workpiece cutting portion into a predetermined cutting process based on drawing data including at least one of workpiece geometric information, tolerance information, material information, hole information, and screw information. Classify. Specifically, the drawing data analysis unit 12 reads the geometric information, tolerance information, material information, hole information, and screw information of the workpiece based on the drawing data, and draws the drawing data input by the input unit 11 into the drawing. It collates with the work information (FIG. 2) stored in the database 20. As a result of the collation, the drawing data analysis unit 12 reads the cutting information associated with the work information corresponding to the drawing data, and classifies the cutting part of the work into a predetermined cutting process.

  For example, the drawing data analysis unit 12 collates with work information stored in the drawing database 20 based on the drawing data shown in FIG. The result of collation is workpiece geometry information (outer diameter, inner diameter, drilling, chamfering), tolerance information (± 0.1 mm), material information (copper), hole information (through hole), and screw information (none). . That is, the drawing data analysis unit 12 reads cutting information (outer diameter, inner diameter, drilling, chamfering), and classifies the cutting part of the workpiece into outer diameter, inner diameter, drilling, and chamfering.

  In step S104, the cutting tool selection unit 13 performs an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, a drill, based on the cutting process classified by the drawing data analysis unit 12. At least one of a center drill, a boring bit, a U drill, and an end mill is selected as a cutting tool. Specifically, the cutting tool selection unit 13 performs cutting tool information (FIG. 3) and cutting information associated with the workpiece information and the cutting information in the drawing database 20 based on the cutting process classified by the drawing data analysis unit 12. Detailed tool information (FIG. 4) is read from the cutting tool database 21.

  For example, the cutting tool selection unit 13 has a workpiece geometric information (outer diameter, inner diameter, drilling, chamfering) in drawing data, tolerance information (± 0.1 mm), material information (copper), hole information (through hole), and Cutting tool information (diameter, total length, insert material) for outer diameter tool, inner diameter tool, drilling tool, and chamfering tool associated with cutting information (outer diameter, inner diameter, drilling, chamfering) based on screw information (none) , Manufacturer) and cutting tool detailed information (clamp method, insert shape, cutting edge shape, insert clearance angle, shank height, shank width, holder length, insert cutting edge length) are read from the cutting tool database 21.

  In step S <b> 106, the cutting process determination unit 14 determines the cutting process based on the cutting process classified by the drawing data analysis unit 12 and the cutting tool selected by the cutting tool selection unit 13. Specifically, the cutting process determination unit 14 performs the cutting process and the cutting process information corresponding to the cutting tool based on the cutting process classified by the drawing data analysis unit 12 and the cutting tool selected by the cutting tool selection unit 13. And cutting tool information (cutting tool detailed information) is read from the nuclear database, and cutting process information (process, cutting, cutting tool, cutting speed, feed rate) associated with the cutting information and cutting tool information (cutting tool detailed information), The coolant, the table rotation speed, and the number of tool changes) are read from the cutting process database 22, and the cutting process is determined based on the cutting process information. The cutting process is determined based on a priority order in at least one of a process, a cutting process, a cutting tool, a cutting speed, a feed speed, a coolant, a table rotation speed, or a tool replacement number. But a cutting process may be determined based on the priority in the combination of a process, a cutting process, a cutting tool, a cutting speed, a feed rate, a coolant, a table rotation speed, or the number of times of tool exchange.

  For example, the cutting process determination unit 14 determines the cutting process so that the number of tool changes is minimized. Moreover, the cutting process determination part 14 may determine a cutting process so that the table rotation speed of a cutting device may become the smallest, and may determine a cutting process so that the frequency | count of a cutting process may become the smallest. .

  In step S108, the display 3 displays the drawing data output by the CAD / CAM 1 or the design drawing reading device 2. The display 3 displays various data output from the input / output unit 11. FIG. 9 is a diagram showing an example of various data displayed on the display 3. As shown in FIG. 9, the display 3 includes drawing data 30 output from the CAD / CAM 1 or the design drawing reading device 2, information 31 about the cutting tool selected by the cutting tool selection unit 13, and a cutting process determination unit 14. Information 32 on the cutting process determined by is displayed.

  In step S110, when the information regarding the cutting tool or the cutting process displayed on the display 3 is designated by the arrow pointer 33 and is changed to another cutting tool or another cutting process, the information changing unit 15 performs another cutting operation. Change information related to the tool or other cutting process is acquired, and the cutting process selected by the cutting tool or cutting process determination unit 14 selected by the cutting tool selection unit 13 is changed to another cutting tool or another cutting process. You can also. For example, the outer diameter A selected as the cutting tool can be changed to the outer diameter B. Moreover, the process 1 and the process 2 determined as a cutting process can also be exchanged. Thereby, an appropriate cutting tool can be selected and an appropriate cutting process can be determined. When the information regarding the cutting tool and the cutting process is not changed, the information changing unit 15 acquires the confirmation information and outputs the confirmation information to the input / output unit 11.

  As described above, in the cutting support system 100 according to the present embodiment, the input / output unit 11 inputs the design drawing of the workpiece as drawing data, and the drawing data analysis unit 12 uses the workpiece data based on the drawing data. The cutting part is classified into predetermined cutting processes, and the cutting tool selection part 13 selects a cutting tool corresponding to the cutting process, so that even a cutting tool novice can easily select a cutting tool and perform the cutting process. You can learn the skills of early. In addition, the cutting process determination unit 14 determines the cutting process based on the cutting process classified by the drawing data analysis unit, thereby determining the cutting process according to the cutting process, so that the input drawing data Based on this, the cutting process can be automatically determined.

(Second Embodiment)
Hereinafter, a cutting support system according to a second embodiment of the present invention will be described with reference to the drawings. Unless otherwise specified, the cutting support system according to the second embodiment has the same configuration and function as the cutting support system according to the first embodiment, and performs the same operation.

  FIG. 10 is a diagram showing a cutting support system 200 according to the second embodiment of the present invention. As illustrated in FIG. 10, the cutting support system 200 further includes a change frequency calculation unit 16 and a change history database 23.

  The change frequency calculation unit 16 calculates the change frequency of the cutting tool or the cutting process based on the history of changing the cutting tool selected by the cutting tool selection unit 13 or the cutting process determined by the cutting process determination unit 14. That is, the change frequency calculation unit 16 calculates the change frequency of the cutting tool or the cutting process changed by the information change unit 15.

  The change history database 23 stores a history of changing the cutting tool selected by the cutting tool selection unit 13 or the cutting process determined by the cutting process determination unit 14. That is, the change history database 23 stores the change history of the cutting tool or the cutting process changed by the information changing unit 15.

  Next, operation | movement of the cutting assistance system concerning this Embodiment is demonstrated. FIG. 11 is a flowchart showing the operation of the cutting support system according to the present embodiment. As in the flowchart shown in FIG. 7, in step S <b> 104, the cutting tool selection unit 13 selects a cutting tool based on the cutting process classified by the drawing data analysis unit 12.

  In step S <b> 204, the change frequency calculation unit 16 reads the change history of the cutting tool selected by the cutting tool selection unit 13 from the change history database 23. In step S205, the change frequency calculation unit 16 calculates the change frequency of the cutting tool based on the change history read from the change history database 23. For example, when the center drill A is selected by the cutting tool selection unit 13, the change frequency calculation unit 16 reads the change history from the change history database 23, calculates the change frequency of the cutting tool in the past, Cutting tool information (cutting tool detailed information) of the center drill B having the highest change frequency is output.

  In step S106, the cutting process determination unit 14 determines a cutting process. In step S <b> 206, the change frequency calculation unit 16 reads the change history of the cutting process determined by the cutting process determination unit 14 from the change history database 23. In step S207, the change frequency calculation unit 16 calculates the change frequency of the cutting process based on the change history read from the change history database 23. For example, when the outer diameter A is determined as the process 1 by the cutting process determination unit 14, the change frequency calculation unit 16 reads the change history from the change history database 23, calculates the change frequency of the cutting process in the past, and the process 1 Step 2 with the highest change frequency from is output as a cutting step.

  In step S208, the display 3 displays drawing data output by the CAD / CAM 1 or the design drawing reading device 2. The display 3 displays various data output from the input / output unit 11. Furthermore, the display 3 displays cutting tools or cutting processes that have been changed in the past in descending order of change frequency based on the change frequency calculated by the change frequency calculation unit 16.

  FIG. 12 is a diagram illustrating an example of various data displayed on the display 3. As shown in FIG. 12, the display 3 has cutting tool information (cutting tool detailed information) of the outer diameter B (change rate 43%) and the outer diameter C (change rate 22%) in descending order of change frequency from the outer diameter A. ) 34 is displayed.

  As described above, the cutting support system 200 according to the present embodiment calculates the change frequency of the cutting tool or the cutting process based on the history, thereby automatically selecting the cutting tool or automatically. The accuracy of the information of the determined cutting process can be measured, and the change frequency is displayed on the display 3 in order of increasing frequency, so that even a cutting tool beginner can easily correct the cutting tool or the cutting process. Skills can be acquired early.

  As mentioned above, although embodiment concerning this invention was described, this invention is not limited to these, It can change and deform | transform within the range described in the claim.

  For example, the present invention is a cutting support system, but the present invention can also be applied as a cutting support program. In this case, the cutting support program according to the present invention includes an input / output command for inputting a design drawing of a work as drawing data, and drawing data for classifying the cutting portion of the work into a predetermined cutting based on the drawing data. A cutting support program comprising an analysis command and a cutting tool selection command for selecting a cutting tool corresponding to the cutting process.

  In addition, the drawing data analysis instruction may perform a predetermined cutting process on the cutting portion of the workpiece based on the drawing data including at least one of geometric information, tolerance information, material information, hole information, and screw information of the workpiece. It may be a cutting support program characterized by a command to be classified into

  The drawing data analysis command is a command for classifying at least one of the cutting operations of outer diameter, inner diameter, grooving, parting, threading, chamfering, and drilling based on the drawing data. A cutting support program may be used.

  Further, the cutting tool selection command is based on the cutting process classified by the drawing data analysis command, and an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, a drill, a center, The cutting support program may be a command for selecting at least one of a drill, a boring bit, a U drill, and an end mill as the cutting tool.

  Further, the cutting tool selection command includes the selected cutting tool diameter, total length, insert material, manufacturer, clamp method, insert shape, cutting edge shape, insert clearance angle, shank height, shank width, holder length, The cutting support program may be a command for further selecting at least one of the cutting edge lengths.

  The cutting support program may include a cutting process determination command for determining a cutting process based on the cutting process classified by the drawing data analysis command.

  Further, the cutting support provided with a display command for displaying the cutting tool selected by the cutting tool selection command or the cutting step determined by the cutting step determination command together with the design drawing of the workpiece. It may be a program.

  Further, a change history storage command for storing in the change history database the history of changing the cutting tool selected by the cutting tool selection command or the cutting step determined by the cutting step determination command, and storing in the change history database And a change frequency calculation command for calculating a change frequency of the cutting tool or the cutting process based on the history to be recorded.

  In addition, the display command displays the cutting tool or the cutting process in descending order of the change frequency, and the cutting tool or the cutting process is changed based on the change frequency displayed by the display command. The cutting history support program may further include a change history update command for updating the history in the change history database.

  The cutting support system according to the present invention has an effect that even a beginner of a cutting tool can easily select a cutting tool and can learn cutting skills at an early stage. This is useful as a cutting support system.

1 CAD / CAM
2 Design drawing reading device 3 Display 9 Bus 10 Cutting support device 11 Input / output unit 12 Drawing data analysis unit 13 Cutting tool selection unit 14 Cutting process determination unit 15 Information change unit 16 Change frequency calculation unit 20 Drawing database 21 Cutting tool database 22 Cutting process database 23 Change history database

Claims (9)

An input / output unit for inputting a work design drawing as drawing data;
A drawing data analysis unit for classifying the cutting part of the workpiece into a predetermined cutting process based on the drawing data;
A cutting support system, comprising: a cutting tool selection unit that selects a cutting tool corresponding to the cutting process.   The drawing data analysis unit classifies the cutting part of the workpiece into a predetermined cutting process based on the drawing data including at least one of geometric information, tolerance information, material information, hole information, and screw information of the workpiece. The cutting support system according to claim 1, wherein:   The said drawing data analysis part classify | categorizes into at least 1 said cutting process of an outer diameter, an internal diameter, grooving, parting off, threading, chamfering, and drilling based on the said drawing data. Or the cutting assistance system of 2.   The cutting tool selection unit is an outer diameter tool, an inner diameter tool, a grooving tool, a parting tool, a threading tool, a chamfering tool, a drill, a center drill, based on the cutting process classified by the drawing data analysis unit. The cutting support system according to any one of claims 1 to 3, wherein at least one of a boring tool, a U drill, and an end mill is selected as the cutting tool.   The cutting tool selection unit includes a diameter, a total length, a tip material, a manufacturer, a clamp method, a tip shape, a cutting edge shape, a tip clearance angle, a shank height, a shank width, a holder length, and a tip of the selected cutting tool. The cutting support system according to claim 4, wherein at least one of the cutting edge lengths is further selected.   The cutting support system according to any one of claims 1 to 5, further comprising a cutting process determination unit that determines a cutting process based on the cutting process classified by the drawing data analysis unit.   7. A display unit for displaying the cutting tool selected by the cutting tool selection unit or the cutting process determined by the cutting process determination unit together with the design drawing of the workpiece. The cutting support system according to any one of the above. A change history database for storing a history of changing the cutting process selected by the cutting tool selected by the cutting tool selection unit or the cutting step determination unit;
The change frequency calculation part which calculates the change frequency of the said cutting tool or the said cutting process based on the said history memorize | stored in the said change history database is provided, The change frequency calculation part is provided in any one of Claim 1 thru | or 7 characterized by the above-mentioned. Cutting support system. The display unit displays the cutting tool or the cutting process in order of the change frequency,
9. The cutting according to claim 8, wherein the change history database updates the history when the cutting tool or the cutting process is changed based on the change frequency displayed on the display unit. Processing support system.