Cutter specification determination method, device and equipment and readable storage medium

Abstract

The invention discloses a tool specification determination method, device and equipment and a readable storage medium, and relates to the technical field of threaded hole machining. According to the method, the thread diameter of the to-be-machined hard material threaded hole is determined, and the tool specification corresponding to the thread diameter of the to-be-machined hard material threaded hole is determined according to the preset relation between the tool specification and the thread diameter; the preset relation is obtained by fitting the thread diameters of various experimental hard material threaded holes and the specification of the experimental cutter which is the shortest in actual time for machining each experimental hard material threaded hole; if yes, the tool specification corresponding to the thread diameter of the to-be-machined hard material threaded hole determined according to the preset relation can be regarded as the shortest tool specification used for machining the to-be-machined hard material threaded hole, namely, the thread milling cutter with the high machining efficiency of the to-be-machined hard material threaded hole is obtained. When the thread milling cutter with the cutter specification is used for machining hard threads to be machined, the machining efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of threaded hole machining, and in particular to a method, device, equipment and readable storage medium for determining tool specifications. Background Art

[0002] Most hard material threaded holes are processed by EDM machines, but the EDM process is slow and inefficient. Taking the processing of M5 mm threaded holes as an example, it takes about 22 minutes to process a single hard material threaded hole with a depth of 12.5 mm.

[0003] Installing a thread milling cutter on a CNC machine tool to mill threaded holes in hard materials can improve processing efficiency, but the tool needs to be designed and made before processing.

[0004] Since the processing efficiency of tools of different specifications is different, if the design of the tool is unreasonable, it will lead to low processing efficiency of the tool. In practice, it often happens that the design of the tool is unreasonable, resulting in low processing efficiency of the tool. Summary of the invention

[0005] The present invention solves the technical problem of how to design a thread milling cutter with high efficiency in machining hard material threaded holes by providing a tool specification determination method, device, equipment and a readable storage medium.

[0006] On the one hand, the present invention provides the following technical solutions:

[0007] A method for determining tool specifications, comprising:

[0008] Determine the thread diameter of the hard material threaded hole to be machined;

[0009] According to the preset relationship between the tool specification and the thread diameter, the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed is determined;

[0010] Among them, the preset relationship is obtained by fitting the thread diameters of various experimental hard material threaded holes and the corresponding various experimental tool specifications. The experimental tool specifications are the thread milling cutter specifications with the shortest actual time for machining the corresponding experimental hard material threaded holes in history.

[0011] Optionally, the tool specifications include cutting edge diameter;

[0012] According to the preset relationship between tool specifications and thread diameter, the tool specifications corresponding to the thread diameter of the hard material threaded hole to be machined are determined, including:

[0013] According to the linear relationship between the blade diameter and the thread diameter, the blade diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0014] Optionally, the linear relationship is D2=ax-b; wherein D2 is the blade diameter, x is the thread diameter, a is in the range of 0.80 to 0.90, and b is in the range of 0.10 to 0.20.

[0015] Optionally, tool specifications include shank diameter;

[0016] According to the preset relationship between tool specifications and thread diameter, the tool specifications corresponding to the thread diameter of the hard material threaded hole to be machined are determined, including:

[0017] According to the exponential function relationship between the shank diameter and the thread diameter, the shank diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0018] Optionally, the exponential function relationship is D = c × d x -e; where D is the shank diameter, x is the thread diameter, c is in the range of 42.0 to 43.0, d is in the range of 1.00 to 1.10, and e is in the range of 41.00 to 42.00.

[0019] Optionally, the tool specifications include effective length;

[0020] According to the preset relationship between tool specifications and thread diameter, the tool specifications corresponding to the thread diameter of the hard material threaded hole to be machined are determined, including:

[0021] According to the quadratic function relationship between the effective length and the thread diameter, the effective length corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0022] Optionally, the tool specifications include working portion edge length;

[0023] According to the preset relationship between tool specifications and thread diameter, the tool specifications corresponding to the thread diameter of the hard material threaded hole to be machined are determined, including:

[0024] According to the quadratic function relationship between the working part blade length and the thread diameter, the working part blade length corresponding to the thread diameter of the hard material threaded hole to be processed is determined.

[0025] On the other hand, the present invention also provides the following technical solutions:

[0026] A tool specification determination device, comprising:

[0027] A first determination module is used to determine the thread diameter of the hard material threaded hole to be processed;

[0028] A second determination module is used to determine the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed according to a preset relationship between the tool specification and the thread diameter;

[0029] Among them, the preset relationship is obtained by fitting the thread diameters of various experimental hard material threaded holes and the corresponding various experimental tool specifications. The experimental tool specifications are the thread milling cutter specifications with the shortest actual time for machining the corresponding experimental hard material threaded holes in history.

[0030] On the other hand, the present invention also provides the following technical solutions:

[0031] A computer device comprises a memory, a processor and a computer program stored in the memory, wherein the processor executes the computer program to implement the steps of any one of the above-mentioned methods for determining tool specifications.

[0032] On the other hand, the present invention also provides the following technical solutions:

[0033] A computer-readable storage medium stores a computer program, which implements the steps of any one of the above-mentioned methods for determining tool specifications when executed by a processor.

[0034] On the other hand, the present invention also provides the following technical solutions:

[0035] A computer program product comprises a computer program, wherein when the computer program is executed by a processor, the steps of any one of the above-mentioned methods for determining tool specifications are implemented.

[0036] One or more technical solutions provided by the present invention have at least the following technical effects or advantages:

[0037] The present invention determines the thread diameter of a hard material threaded hole to be processed, and determines the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed according to a preset relationship between the tool specification and the thread diameter. Since the preset relationship is obtained by fitting the thread diameters of a plurality of experimental hard material threaded holes and the experimental tool specification with the shortest actual processing time for each experimental hard material threaded hole, the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed determined according to the preset relationship can be considered as the tool specification with the shortest processing time for processing the hard material threaded hole to be processed, that is, a thread milling cutter with high efficiency for processing the hard material threaded hole to be processed is obtained, and the processing efficiency can be improved by using the thread milling cutter with this tool specification to process the hard material thread to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0039] Figure 1 is a schematic diagram of a thread milling cutter in an embodiment of the present invention;

[0040] Figure 2 is a schematic diagram of a relationship curve between the blade diameter of a thread milling cutter and the thread diameter of a threaded hole in an embodiment of the present invention;

[0041] Figure 3 is a schematic diagram of a relationship curve between the shank diameter of a thread milling cutter and the thread diameter of a threaded hole in an embodiment of the present invention;

[0042] Figure 4 is a schematic diagram of a relationship curve between the effective length of a thread milling cutter and the thread diameter of a threaded hole in an embodiment of the present invention;

[0043] Figure 5 Schematic diagram of a relationship curve between the blade length of the working part of the thread milling cutter and the thread diameter of the threaded hole in an embodiment of the present invention;

[0044] Figure 6 is a flow chart of a method for determining tool specifications in an embodiment of the present invention;

[0045] Figure 7 Schematic diagram of a device for determining tool specifications in an embodiment of the present invention.

[0046] Description of reference numerals:

[0047] 10-handle; 20-blade. DETAILED DESCRIPTION

[0048] The embodiments of the present invention solve the technical problem of how to design a thread milling cutter with high efficiency in machining hard material threaded holes by providing a tool specification determination method, device, equipment and readable storage medium.

[0049] In order to better understand the technical solution of the present invention, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0050] like Figure 1 As shown, the thread milling cutter includes an integrally formed handle 10 and a blade 20. The tool specifications mainly include a total length L, an effective length L1, a working portion blade length L e , shank diameter D and blade diameter D2, where the effective length L1, the working part blade length L e The shank diameter D and the blade diameter D2 will affect the efficiency of machining the hard material threaded hole. The thread milling cutter manufactured in the embodiment of the present invention has a total length L of 50 mm, a number of grooves of 4, and the hard material to be machined is Cr12MoV.

[0051] The embodiment of the present invention firstly produces a plurality of blades with different blade diameters D2, effective lengths L1, and working portion blade lengths L2. eThe experimental thread milling cutters have the same shank diameter D, and then use each experimental thread milling cutter to process M3 threaded holes on Cr12MoV hard material, and the time taken by each experimental thread milling cutter to process M3 threaded holes is counted.

[0052] When using an experimental thread milling cutter to machine threaded holes on Cr12MoV hard material, you need to first install the thread milling cutter on the spindle of the CNC machine tool, then set the spindle speed through the M03S command, set the feed rate through the G01F command (G01 is linear feed, F is feed rate), and set the processing depth through the G01Z command (G01 is linear feed, Z is the processing depth in the Z direction).

[0053] For example, the speed n of each experimental thread milling cutter for processing M3 threaded holes is 4800r / min, the feed rate is 45mm / min, the feed per revolution is 0.01mm / r, and the processing depth is 10.5mm. The spindle speed is set to 4800r / min through the M03S4800 instruction, the feed rate is set to 45mm / min through the G01F45 instruction, and the processing depth is set to 10.5mm through the G01Z10.5 instruction. According to the cutting speed V = πD2n / 1000, it can be seen that since the blade diameter D2 of each experimental thread milling cutter is different, the cutting speed is different.

[0054] Finally, the statistical results of the time taken to process M3 threaded holes with thread milling cutters in each experiment showed that the processing time was the shortest when the blade diameter D2 was 2.5 mm.

[0055] Similarly, multiple blades with different shank diameters D, blade diameters D2, effective lengths L1 and working blade lengths L are made. e The same experimental thread milling cutter was used, and then each experimental thread milling cutter was used to process M3 threaded holes on Cr12MoV hard material, and the time taken by each experimental thread milling cutter to process M3 threaded holes was counted. The speed n of each experimental thread milling cutter when processing M3 threaded holes was 4800r / min, the feed rate was 45mm / min, the feed per revolution was 0.01mm / r, the cutting speed was 38m / min, and the processing depth was 10.5mm. Finally, the statistical results of the time taken by each experimental thread milling cutter to process M3 threaded holes showed that the processing time was the shortest when the shank diameter D was 4mm.

[0056] Similarly, multiple blades with different effective lengths L1, blade diameters D2, shank diameters D and working blade lengths L are made. eThe same experimental thread milling cutter was used, and then each experimental thread milling cutter was used to process M3 threaded holes on Cr12MoV hard material, and the time taken by each experimental thread milling cutter to process M3 threaded holes was counted. The speed n of each experimental thread milling cutter when processing M3 threaded holes was 4800r / min, the feed rate was 45mm / min, the feed per revolution was 0.01mm / r, the cutting speed was 38m / min, and the processing depth was 10.5mm. Finally, the statistical results of the time taken by each experimental thread milling cutter to process M3 threaded holes showed that the processing time was the shortest when the effective length L1 was 11mm.

[0057] Similarly, make multiple working parts with blade length L e Different experimental thread milling cutters with the same blade diameter D2, shank diameter D and effective length L1 were used. Then, each experimental thread milling cutter was used to process M3 threaded holes on Cr12MoV hard material, and the time taken by each experimental thread milling cutter to process M3 threaded holes was counted. The speed n of each experimental thread milling cutter when processing M3 threaded holes was 4800r / min, the feed rate was 45mm / min, the feed per revolution was 0.01mm / r, the cutting speed was 38m / min, and the processing depth was 10.5mm. Finally, the statistical results of the time taken by each experimental thread milling cutter to process M3 threaded holes showed that in the working part with blade length L e The processing time is shortest when the thickness is 2 mm.

[0058] The same experiments as the above experiment on processing M3 threaded hole were carried out to process M4, M5, M6, M8, M10, M12, M14, M16, M18 and M20 threaded holes. The rotation speed, feed rate, feed per revolution, cutting speed and processing depth when processing various threaded holes are shown in Table 1.

[0059] Table 1

[0060]

[0061] The statistical results of the time taken by the thread milling cutter to process various threaded holes in each experiment show that the shortest time taken to process various threaded holes is the blade diameter D2, shank diameter D, effective length L1, and working part blade length L e As shown in Table 2 respectively.

[0062] Table 2

[0063]

[0064]

[0065] The shortest cutting edge diameter D2 for machining various threaded holes is fitted with the thread diameters of various threaded holes to obtain the following: Figure 2The relationship curve between the blade diameter D2 and the thread diameter x is shown in the analytical formula D2 = ax-b, the value range of a is 0.80-0.90, and the value range of b is 0.10-0.20. a can be 0.82, b can be 0.12, that is, D2 = 0.82x-0.12.

[0066] The shank diameter D with the shortest processing time for various threaded holes is fitted with the thread diameters of various threaded holes to obtain the following: Figure 3 The relationship curve between the shank diameter D and the thread diameter x is shown in the figure. The analytical formula is D = c × d x -e, c ranges from 42.0 to 43.0, d ranges from 1.00 to 1.10, and e ranges from 41.00 to 42.00. c can be 42.6, d can be 1.02, and e can be 41.42, that is, D = 42.6 × 1.02 x -41.42.

[0067] The shortest effective length L1 used to process various threaded holes is fitted with the thread diameters of various threaded holes to obtain the following: Figure 4 The relationship curve between the effective length L1 and the thread diameter x is shown in the figure. The analytical formula is L1 = -fx 2 +g x+h, the value range of f is 0.01~0.02, the value range of g is 1.40~1.50, and the value range of h is 6.0~7.0. f can be 0.01, g can be 1.45, and h can be 6.5, that is, L1=-0.01x 2 +1.45x+6.5.

[0068] The working part edge length L that takes the shortest time to process various threaded holes e Fitting with the thread diameters of various threaded holes gives Figure 5 The working part blade length L shown e The relationship curve between the thread diameter x and the analytical formula is Le = -ix 2 +j xk, i ranges from 0.01 to 0.02, j ranges from 0.60 to 0.70, and k ranges from 0.20 to 0.30. i can be 0.01, j can be 0.63, and k can be 0.2, that is, Le = -0.01x 2 +0.63x-0.2.

[0069] It can be seen that the shortest processing time is the blade diameter D2, shank diameter D, effective length L1, and working part blade length L e All of them have a strong correlation with the thread diameter of the threaded hole. According to the obtained relationship, the blade diameter D2, shank diameter D, effective length L1, and working part blade length L of the tool for machining the hard material threaded hole to be machined can be designed. e, which can ensure that the processing time is shorter.

[0070] If the hard material threaded hole to be processed is an M20 threaded hole, then x = 20mm. The tool specifications designed according to the above relationship are: blade diameter D2 = 0.82x-0.12 = 16.3mm, shank diameter D = 42.6×1.02 x -41.42 = 22 mm, effective length L1 = -0.01x 2 +1.45x+6.5=31.5mm, working part blade length Le=-0.01x 2 +0.63x-0.2=8.4mm.

[0071] The tool designed according to the relationship to process the M20 threaded hole was experimentally verified. During the experiment, the speed, feed rate, feed per revolution, cutting speed, and processing depth of the M20 threaded hole were set to 1800r / min, 180mm / min, 0.01mm / r, 99m / min, and 80m / min, respectively. The experimental results show that the time required to process the M20 threaded hole using the designed tool can basically be kept to the shortest.

[0072] Based on the previous experimental results, we can get Figure 6 The method for determining tool specifications of the embodiment of the present invention shown includes:

[0073] Step S1, determining the thread diameter of the hard material threaded hole to be processed;

[0074] The threaded hole of the hard material to be processed may be one of a series of threaded holes such as M1, M2, M3, M22, etc., and the thread diameter may be 1 mm, 2 mm, 3 mm or 22 mm;

[0075] The hard material threaded hole to be processed can be selected by the user on the terminal. For example, the drop-down menu includes threaded holes of all sizes, that is, a threaded hole of a certain size can be selected in the drop-down menu as the hard material threaded hole to be processed;

[0076] Step S2, determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be machined according to a preset relationship between the tool specification and the thread diameter;

[0077] The preset relationship is obtained by fitting the thread diameters of various experimental hard material threaded holes and the corresponding various experimental tool specifications, and the experimental tool specification is the thread milling cutter specification with the shortest actual time for machining the corresponding experimental hard material threaded holes in history;

[0078] Wherein, if the tool specification includes the blade diameter, the preset relationship between the tool specification and the thread diameter includes the preset relationship between the blade diameter and the thread diameter; if the tool specification includes the shank diameter, the preset relationship between the tool specification and the thread diameter includes the preset relationship between the shank diameter and the thread diameter; if the tool specification includes the effective length, the preset relationship between the tool specification and the thread diameter includes the preset relationship between the effective length and the thread diameter; if the tool specification includes the working part blade length, the preset relationship between the tool specification and the thread diameter includes the preset relationship between the working part blade length and the thread diameter;

[0079] Among them, the experimental hard material threaded hole is the hard material threaded hole in the experiment conducted above to obtain the relationship curve between the tool specifications and the thread diameter. For example, when the experimental hard material threaded hole is an M3 threaded hole, the corresponding experimental specifications are a blade diameter of 2.5 mm, a shank diameter of 4 mm, an effective length of 11 mm, and a working part blade length of 2 mm.

[0080] It can be understood that the preset relationship is obtained by fitting the thread diameters of multiple experimental hard material threaded holes and the experimental tool specifications with the shortest actual processing time for each experimental hard material threaded hole. Then, the tool specifications corresponding to the thread diameters of the hard material threaded holes to be processed determined according to the preset relationship can be considered as the tool specifications with the shortest processing time for processing the hard material threaded holes to be processed, that is, a thread milling cutter with high efficiency in processing the hard material threaded holes to be processed is obtained. Using a thread milling cutter with this tool specification to process the hard material threads to be processed can improve the processing efficiency.

[0081] In some embodiments, the tool specification may include a blade diameter, and step S2 may include:

[0082] According to the linear relationship between the blade diameter and the thread diameter, the blade diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0083] In some embodiments, the linear relationship may be D2=ax-b, where D2 is the blade diameter, x is the thread diameter, a is in the range of 0.80 to 0.90, and b is in the range of 0.10 to 0.20. In some embodiments, a may be 0.82, b may be 0.12, that is, D2=0.82x-0.12; for example, when x=1, D2=0.7 is obtained; for example, when x=2, D2≈1.5 is obtained.

[0084] In some embodiments, the tool specification may include a shank diameter, and step S2 may include:

[0085] According to the exponential function relationship between the shank diameter and the thread diameter, the shank diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0086] In some embodiments, the exponential function relationship may be D=c×dx -e; wherein D is the shank diameter, x is the thread diameter, c is in the range of 42.0 to 43.0, d is in the range of 1.00 to 1.10, and e is in the range of 41.00 to 42.00. In some embodiments, c can be 42.6, d can be 1.02, and e can be 41.42, i.e., D = 42.6 × 1.02 x -41.42; for example, when x=1, D≈2 is obtained; for example, when x=2, D≈3 is obtained.

[0087] In some embodiments, the tool specification may include an effective length, and step S2 may include:

[0088] According to the quadratic function relationship between the effective length and the thread diameter, the effective length corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0089] In some embodiments, the quadratic function relationship between the effective length and the thread diameter may be L1=-fx 2 +gx+h; where L1 is the effective length, x is the thread diameter, f is in the range of 0.01 to 0.02, g is in the range of 1.40 to 1.50, and h is in the range of 6.0 to 7.0. f can be 0.01, g can be 1.45, and h can be 6.5, i.e. L1 = -0.01x 2 +1.45x+6.5; for example, when x=1, L1≈8 is obtained; for example, when x=2, L1≈9 is obtained.

[0090] In some embodiments, the tool specification may include the working portion blade length, and step S2 may include:

[0091] According to the quadratic function relationship between the working part blade length and the thread diameter, the working part blade length corresponding to the thread diameter of the hard material threaded hole to be processed is determined.

[0092] In some embodiments, the quadratic function relationship between the working portion edge length and the thread diameter may be Le=-ix 2 +j xk; where Le is the working part blade length, x is the thread diameter, i is in the range of 0.01 to 0.02, j is in the range of 0.60 to 0.70, and k is in the range of 0.20 to 0.30. i can be 0.01, j can be 0.63, and k can be 0.2, i.e. Le = -0.01x 2 +0.63x-0.2; for example, when x=1, Le≈0.4 is obtained; for example, when x=2, Le≈1 is obtained.

[0093] like Figure 7 As shown, the embodiment of the present invention also provides a tool specification determination device, including:

[0094] A first determination module is used to determine the thread diameter of the hard material threaded hole to be processed;

[0095] A second determination module is used to determine the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed according to a preset relationship between the tool specification and the thread diameter;

[0096] Among them, the preset relationship is obtained by fitting the thread diameters of various experimental hard material threaded holes and the corresponding various experimental tool specifications. The experimental tool specifications are the thread milling cutter specifications with the shortest actual time for machining the corresponding experimental hard material threaded holes in history.

[0097] In some embodiments, tool specifications may include a cutting edge diameter;

[0098] The second determination module may be specifically used for:

[0099] According to the linear relationship between the blade diameter and the thread diameter, the blade diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0100] In some embodiments, the linear relationship may be D2=ax-b, wherein D2 is the blade diameter, x is the thread diameter, a is in the range of 0.80 to 0.90, and b is in the range of 0.10 to 0.20.

[0101] In some embodiments, tool specifications may include shank diameter;

[0102] The second determination module may be specifically used for:

[0103] According to the exponential function relationship between the shank diameter and the thread diameter, the shank diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0104] In some embodiments, the exponential function relationship may be D=c×d x -e; where D is the shank diameter, x is the thread diameter, c is in the range of 42.0 to 43.0, d is in the range of 1.00 to 1.10, and e is in the range of 41.00 to 42.00.

[0105] In some embodiments, the tool specifications may include an effective length;

[0106] The second determination module may be specifically used for:

[0107] According to the quadratic function relationship between the effective length and the thread diameter, the effective length corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

[0108] In some embodiments, tool specifications may include working portion blade length;

[0109] The second determination module may be specifically used for:

[0110] According to the quadratic function relationship between the working part blade length and the thread diameter, the working part blade length corresponding to the thread diameter of the hard material threaded hole to be processed is determined.

[0111] Based on the same inventive concept as the tool specification determination method mentioned above, an embodiment of the present invention also provides a computer device, including a memory, a processor and a computer program stored in the memory, and the processor executes the computer program to implement the steps of any one of the tool specification determination methods mentioned above.

[0112] Since the computer device introduced in the embodiment of the present invention is a computer device used to implement the method for determining tool specifications in the embodiment of the present invention, based on the method for determining tool specifications in the embodiment of the present invention, a person skilled in the art can understand the specific implementation of the computer device in the embodiment of the present invention and its various variations, so how the computer device implements the method in the embodiment of the present invention is not described in detail here. As long as a person skilled in the art implements the computer device used in the method for determining tool specifications in the embodiment of the present invention, it belongs to the scope of protection of the present invention.

[0113] Based on the same inventive concept as the above-mentioned method for determining tool specifications, the present invention also provides a computer-readable storage medium having a computer program stored thereon, which implements the steps of any one of the above-mentioned methods for determining tool specifications when executed by a processor.

[0114] Based on the same inventive concept as the above-mentioned method for determining tool specifications, the present invention also provides a computer program product, including a computer program, which implements the steps of any one of the above-mentioned methods for determining tool specifications when executed by a processor.

[0115] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0116] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing device to work in a specific way, so that the instructions stored in the computer-readable memory produce a product including an instruction device, which implements the functions specified in the process. Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0117] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0118] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0119] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for determining tool specifications, characterized in that: include: Determine the thread diameter of the hard material threaded hole to be machined; Determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed according to a preset relationship between the tool specification and the thread diameter; Among them, the preset relationship is obtained by fitting the thread diameters of multiple experimental hard material threaded holes and the corresponding multiple experimental tool specifications, and the experimental tool specifications are the thread milling cutter specifications with the shortest actual time for machining the corresponding experimental hard material threaded holes in history.

2. The method for determining tool specifications according to claim 1, characterized in that: The tool specification includes a blade diameter; and determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be machined according to a preset relationship between the tool specification and the thread diameter includes: According to the linear relationship between the blade diameter and the thread diameter, the blade diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

3. The method for determining tool specifications according to claim 2, characterized in that: The linear relationship is D2=ax-b, wherein D2 is the blade diameter, x is the thread diameter, a is in the range of 0.80 to 0.90, and b is in the range of 0.10 to 0.

20.

4. The method for determining tool specifications according to claim 1, wherein: The tool specifications include shank diameter; Determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be machined according to a preset relationship between the tool specification and the thread diameter includes: The shank diameter corresponding to the thread diameter of the hard material threaded hole to be machined is determined according to the exponential function relationship between the shank diameter and the thread diameter.

5. The method for determining tool specifications according to claim 4, characterized in that: The exponential function relationship is D = c × d x -e; wherein D is the shank diameter, x is the thread diameter, c is in the range of 42.0 to 43.0, d is in the range of 1.00 to 1.10, and e is in the range of 41.00 to 42.

00.

6. The method for determining tool specifications according to claim 1, characterized in that: The tool specifications include effective length; Determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be machined according to a preset relationship between the tool specification and the thread diameter includes: The effective length corresponding to the thread diameter of the hard material threaded hole to be machined is determined according to the quadratic function relationship between the effective length and the thread diameter.

7. The method for determining tool specifications according to claim 1, wherein: The tool specifications include the working portion blade length; Determining the tool specification corresponding to the thread diameter of the hard material threaded hole to be machined according to a preset relationship between the tool specification and the thread diameter includes: According to the quadratic function relationship between the blade length of the working portion and the thread diameter, the blade length of the working portion corresponding to the thread diameter of the hard material threaded hole to be machined is determined.

8. A tool specification determination device, characterized in that: include: A first determination module is used to determine the thread diameter of the hard material threaded hole to be processed; A second determination module is used to determine the tool specification corresponding to the thread diameter of the hard material threaded hole to be processed according to a preset relationship between the tool specification and the thread diameter; Among them, the preset relationship is obtained by fitting the thread diameters of multiple experimental hard material threaded holes and the corresponding multiple experimental tool specifications, and the experimental tool specifications are the thread milling cutter specifications with the shortest actual time for machining the corresponding experimental hard material threaded holes in history.

9. A computer device, characterized in that: The invention comprises a memory, a processor and a computer program stored in the memory, wherein the processor executes the computer program to implement the steps of the method according to any one of claims 1 to 7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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