CN116728006A - Die copper electrode machining method for improving precision - Google Patents
Die copper electrode machining method for improving precision Download PDFInfo
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- CN116728006A CN116728006A CN202310681837.6A CN202310681837A CN116728006A CN 116728006 A CN116728006 A CN 116728006A CN 202310681837 A CN202310681837 A CN 202310681837A CN 116728006 A CN116728006 A CN 116728006A
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- 238000003754 machining Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 69
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000010949 copper Substances 0.000 title claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 41
- 238000012545 processing Methods 0.000 claims abstract description 98
- 238000012360 testing method Methods 0.000 claims abstract description 72
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000002203 pretreatment Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000003672 processing method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a method for processing a copper electrode of a die for improving precision, which comprises the following steps: according to the set test processing procedure, after a test piece is processed through a machine tool, a machine tool characteristic database is obtained and generated through process test, according to the cutter receiving surface processing effect of the test piece, qualified cutter receiving process data are obtained and a cutter database is generated, in the mold processing procedure, the preheating time of the machine tool is controlled according to the characteristic database, and in the cutter receiving processing operation, cutter receiving technician parameters are generated according to the cutter database, so that the next procedure of processing is directly performed after cutter receiving is completed. The invention generates the modularized characteristic database and the modularized cutter database through pretreatment and is applied to the machining process of the machine tool, so that the machining effect is ensured, the machining efficiency is improved, and the influence of human factors is reduced.
Description
Technical Field
The invention relates to a die copper electrode processing method for improving precision, and belongs to the technical field of die processing.
Background
In the die processing, there are many methods for the die processing, such as milling machine processing, grinding machine processing, machining center processing, wire cutting processing, lathe processing, and also electric discharge processing, which is a spark machine, and the like. For very common machining positions such as right angles, bone positions, back-off, inner sharp angles, character patterns and the like in a die and certain parts with particularly high requirements on the surface precision of the die, the machining requirements are difficult to meet by means of cutter machining through a vertical milling machine tool, a machining center, a engraving and milling machine tool and the like, and the electric discharge machining of a spark machine can solve the machining problems. Among them, copper electrodes are an important part for die working as a tool for spark plug electric discharge machining. The surface shape of the copper electrode discharge position should be matched with the processing shape of the die product, so that the appearance quality of the copper electrode directly influences the processing precision of the die product. The more complex the shape of the copper electrode of the die is, the longer the processing time is, and the greater the influence of the processing technology on the appearance accuracy of the copper electrode is. However, the traditional copper electrode processing mainly relies on the experience of field staff to carry out processing debugging, and the debugging time is longer and the processing precision is difficult to guarantee.
Disclosure of Invention
The invention provides a die copper electrode processing method for improving precision, which aims at solving at least one of the technical problems existing in the prior art.
The technical scheme of the invention relates to a method for improving the processing precision of a copper electrode of a die, which comprises the following steps:
s110, setting a test machining procedure according to the characteristics of a machine tool and the machining requirements, and machining a test piece through the machine tool according to the test machining procedure; performing process test on the processed test piece to obtain the machine tool characteristics affecting the machining precision of the machine tool, and generating a corresponding characteristic database;
s120, a cutter database is formulated according to the mould processing requirements; after the test piece is sequentially subjected to rough machining, semi-finish machining and finish machining, selecting a test cutter from the cutter database to carry out cutter receiving treatment on the smooth cutter surface of the test piece, carrying out process adjustment according to the machining effect of the cutter receiving surface until qualified cutter receiving process data are obtained, and recording and storing the corresponding cutter receiving process data in the cutter database; the tool database comprises a plurality of types of test tools with different diameters.
Further, the test data comprise screw thermal extension data, spindle thermal extension data, machine tool thermal deformation data and the like.
Further, the process test mode comprises measurement through a three-axis coordinate measuring machine, marking and checking through a dial gauge and on-machine direct checking.
Further, the tool receiving process data comprises tool parameters, cutting parameters and a feeding route, wherein the cutting parameters comprise a step distance, a tool draft and a spindle rotating speed.
Further, the characteristic database comprises workpiece sizes, corresponding preheating durations and preheating spindle speeds.
Further, the test piece is made of a red copper material.
The technical scheme of the invention also relates to a processing method of the die copper electrode, and the pretreatment method based on the technical scheme of the invention comprises the following steps:
s210, acquiring a die machining program of a copper electrode, preheating a machined area, and automatically identifying and controlling the preheating time of a machine tool according to a preset preheating variable; wherein the preheating variable is obtained according to the machine tool characteristics and through the characteristic database; after the reservation operation is completed, the copper electrode is processed in the current working procedure;
s220, when the cutter connection processing mathematical is needed, automatically identifying and generating cutter connection processing parameters of the machine tool according to the processing cutters needing cutter connection through a preset post-processing program; after finishing the cutter receiving according to the cutter receiving processing parameters, directly processing the next working procedure; and the cutter receiving processing parameters are obtained according to the cutter database.
Further, the step S210 includes the steps of:
s211, acquiring a die machining program of the copper electrode to obtain the machining size of the copper electrode;
s212, automatically obtaining preheating duration and spindle rotating speed matched with the machining size according to the machine tool characteristic database;
s213, preheating the machine tool according to the matched preheating duration and the spindle rotating speed.
Further, the step S220 includes the steps of:
s221, acquiring tool parameters of the machining tool to obtain a matched test tool in the tool database;
s222, setting cutter receiving processing parameters of a machine tool according to the matched cutter receiving process data of the test cutter so as to carry out cutter receiving processing;
s223, after the knife connection treatment is completed, the next working procedure is directly carried out.
The technical scheme of the invention also relates to a numerical control machine tool, and a computer device stores program instructions which implement the processing method when being executed by a processor.
The beneficial effects of the invention are as follows.
The invention provides a die copper electrode machining method for improving precision, which can effectively improve the machining precision and the machining effect of a machine tool, improves the machining speed on the basis of ensuring the machining effect, provides a high-efficiency solution for the precision machining of die copper electrodes with complex and changeable shapes, reduces the dependence on the technical level of operators, is beneficial to reducing the dependence of the machining industry on high-end lathe feeding, can improve the use flexibility of the method, and can be applied to other die machining fields. The characteristic database and the cutter database of the machine tool are formed by the pretreatment method of autonomous design, and the pretreatment method is flexibly applied by adopting a modularized design mode, so that the influence of user interference and arbitrary operation on the machining effect is reduced. In the preheating processing process, the high-precision and evidence machine tool preheating time can be obtained by automatically calling the characteristic database through the system according to the actual preheating processing conditions, so that the machine tool processing stability is improved, and the processing precision is guaranteed. In the cutter receiving processing, the cutter database is automatically called by the system, so that the next working procedure processing can be directly performed under the completion of cutter receiving, manual detection and debugging are not needed, and efficient cutter receiving and direct processing after cutter receiving are realized. The characteristic database of the machine tool and the cutter database of the cutter receiving treatment are applied to the copper electrode machining process, so that the machining speed is improved, and the machining precision is guaranteed.
Further, additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flow chart of a method according to an embodiment of the invention.
Fig. 2 is a schematic structural view of a test piece according to an embodiment of the present invention.
Fig. 3a and 3b are schematic track diagrams of a machining process according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of a trajectory of a programming tool path according to an embodiment of the invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present invention.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
Referring to fig. 1 to 4, the pretreatment method for improving the processing precision of the copper electrode of the die according to the present invention comprises at least the following steps:
s110, setting a test machining procedure according to the characteristics of a machine tool and the machining requirements, and machining a test piece through the machine tool according to the test machining procedure; and performing process test on the processed test piece to obtain the machine tool characteristics affecting the machining precision of the machine tool, and generating a corresponding characteristic database.
S120, a cutter database is formulated according to the mould processing requirements; after sequentially carrying out rough machining, semi-finishing and finish machining on the test piece, selecting a test cutter from a cutter database to carry out cutter receiving treatment on the smooth cutter surface of the test piece, carrying out process adjustment according to the machining effect of the cutter receiving surface until qualified cutter receiving process data are obtained, and recording and storing the corresponding cutter receiving process data in the cutter database; the tool database comprises a plurality of types of test tools with different diameters.
It should be noted that, in order to make the data in the generated characteristic database and the tool database more fit the actual use condition, the manufacturing material of the test piece according to the embodiment of the present invention is the same as the manufacturing material of the product to be processed on site of the customer, for example, when the machine tool to be used is applied to copper electrode processing, then the test piece according to the embodiment of the present invention is made of red copper material or copper material.
In some embodiments, the corresponding test machining process is set according to the characteristics of the machine tool on the customer site or required to be used and the machining requirement of the product to be produced, and then the test machining process is operated through an airport to machine the test piece which is designed independently. After the machining is finished, the process test is carried out on the test piece, so that the influence of the machine tool characteristic on the machining precision on the aspect of the machine tool is large, and the expected machining effect can be obtained by setting the machining parameters. The machining test mode used in the embodiment of the invention comprises measurement by a triaxial coordinate measuring machine, marking test by a dial gauge, on-machine direct test and the like. The machine tool characteristics of the embodiment of the invention comprise screw rod thermal extension data, spindle thermal extension data, machine tool thermal deformation data and the like. Further, by processing and checking the test piece, it is possible to quickly verify that the thermal deformation of the current machine tool is problematic. Specifically, according to the field processing results under different conditions, real detection data are obtained, and through analysis and judgment, the optimal parameter setting for the current machine tool is obtained, and a characteristic database of the current machine tool is formed. For example, the preheating operation time of the machine tool can be controlled by calling a characteristic database to obtain the preset time of the machine tool, and then setting a macro variable in the CAM programming processing program to control the preheating program of the machine tool.
Specifically, according to the on-site use environment data of a customer and the heat stability characteristic data of equipment required to be used, especially the heat stability characteristic data such as the heat elongation of a main shaft, the heat elongation of a triaxial and the like, corresponding test processing procedures such as a processing tool path, processing parameters and the like are formulated according to the collected data, so that a test piece is processed according to the planned processing procedures, a more comprehensive and more accurately positioned machine tool processing effect can be obtained, the processing effect is detected and analyzed by adopting a high-precision test instrument or other effective test methods, the relevant parameters influencing the preheating time of the machine tool and the specific setting values of the relevant parameters under different preheating processing conditions are obtained, and the obtained technological parameters, preheating processing conditions and parameter values are stored in a characteristic database.
In the embodiment of the present invention, when a field programmer generates a CAM post-processing file for setting the preheating time period of a machine tool, the machine tool system can output specific data of the preheating time period according to the workpiece size, for example, the machine tool system may automatically obtain a warm-up time of 10 minutes when the input workpiece size is 50 x 50nm, and a warm-up time of 15 minutes when the input workpiece size is 100 x 100nm, furthermore, the specific set value of the spindle rotating speed during preheating can be obtained, and the preheating parameter setting does not need manual intervention. For traditional machine tool preheating, no specific data table is available for reference, the time adjustment can be set only by depending on the working experience of a field operator, or the time adjustment can be set according to the general preheating time of industry flow, for example, the preheating time of an ultra-precise machine tool is generally not more than 30 minutes, the preheating time is set according to the general preheating time, the preheating time is set according to the preheating time, the preheating time is set differently according to different operators or different processing time periods, and therefore the preheating operation cannot play a good auxiliary role on the processing effect. The traditional machine tool preheating set time is only an approximate value which is set by subjective dominance of operators, and obviously cannot meet the modern higher and higher precision requirements for copper electrode machining.
In some embodiments, the test piece is subjected to machining verification of the tool receiving treatment through development of a machining process, selection of a machining tool, writing of a machining program and formulation of machining parameters. For example, firstly, a 10mm flat knife is used for cutting a test piece, an R3 ball knife is used for semi-finishing, an R3 ball knife is used for polishing, after the test piece is polished, cutters with different sizes are used for carrying out cutter receiving treatment, and therefore the influence of setting of cutter receiving process data on contact treatment is obtained according to the machining effect of cutter receiving surfaces. The tool receiving process data comprise tool parameters, cutting parameters and a feeding route, wherein the cutting parameters comprise step distance, tool draft, spindle rotating speed and the like.
In the embodiment of the invention, the selection of the test tools in the tool database can be set according to the processing requirements of the die copper electrode, and in the programming of the processing program aiming at the tool receiving process verification, the tool receiving method and the tool receiving device focus on the practical use of the processing tools with different sizes for tool receiving, so that the accuracy of the tool setting gauge can be verified, and the tool receiving process data of various processing tools can be obtained, so that the application range of the tool receiving method and the tool receiving device is wide. It should be noted that the present invention can obtain the error of the tool receiving surface of the machine tool by using the probe on-machine measurement technique or using the three-coordinate measuring instrument to perform data analysis.
Specifically, referring to fig. 3a, the surface of the test piece is firstly processed (see fig. 3b, the blue surface is a processing surface), then the processing surface is processed by cutting tools with different sizes (see fig. 3b, the junction between the blue surface and the blue dotted line is a cutting tool receiving position), the test piece is processed according to different programmed tool paths (see fig. 4, the junction between the blue surface and the blue dotted line is a cutting tool receiving position, the yellow surface represents a tool withdrawal position, and the orange frame line represents different tool feeding paths), and the better processing setting parameters are obtained through detection analysis.
Referring to fig. 1 to 4, a method for processing a copper electrode of a mold according to an embodiment of the present invention includes at least the steps of:
s210, acquiring a die machining program of a copper electrode, preheating a machined area, and controlling preheating time of a machine tool according to a preset preheating variable; the preheating variable is obtained according to the characteristics of the machine tool and through a characteristic database; after the reservation operation is completed, the copper electrode is processed in the current process.
S220, when the cutter receiving processing operation is needed, automatically identifying and generating cutter receiving processing parameters of the machine tool according to the processing cutters needing cutter receiving through a preset post-processing program; after finishing the cutter receiving according to the cutter receiving processing parameters, directly processing the next working procedure; wherein the cutter receiving processing parameters are obtained according to a cutter database
In some embodiments, according to the characteristic database of the current machine tool obtained through preprocessing, relevant post-processing files are formulated, in the mold processing programming, the machine tool is controlled to run through macro variables related to the characteristic database, and a modularized separation mode is adopted, so that accurate stable parameter setting of the machine tool can be quickly obtained, and compared with the traditional field processing debugging of the machine tool, the probability of human intervention can be reduced, and the processing precision of the machine tool can be quickly and effectively improved. It should be noted that the test piece in the embodiment of the present invention is a copper electrode.
In an application embodiment, the machine tool preheating operation of the method embodiment at least includes the following steps:
s211, acquiring a die machining program of the copper electrode to obtain the machining size of the copper electrode;
s212, automatically obtaining preheating duration and spindle rotating speed matched with machining dimensions according to a machine tool characteristic database;
s213, preheating the machine tool according to the matched preheating duration and the spindle rotating speed.
In some embodiments, according to the cutter database of the current machine tool obtained by preprocessing, and in the die processing, according to the processing tool of the current required cutter, matching to obtain the corresponding test cutter, and matching the cutter receiving process data of the test cutter in the cutter database. And setting processing parameters of the machine tool according to the tool receiving process data, and matching with a tool setting instrument to carry out tool receiving processing of the current processing tool. After the cutter connection treatment is completed, the next working procedure is directly carried out without manually testing the cutter connection surface processing effect.
Specifically, the numerical control system is matched with CAM programming software to call different rotating speeds for tool setting and machining. Firstly, defining M function in the numerical control system, and can carry calling parameter, and inputting in CAM software post-processing code, after directly selecting processing program, the system can automatically identify according to parameter to make tool setting processing so as to ensure processing accuracy of copper electrode. Such as: the system defines the tape parameter data M66 as the calling parameter, when the post-processing is formulated, the program output is M66S 10000M 03, and the tool setting and the tool receiving are carried out according to the spindle rotating speed of S10000, so that the next working procedure processing can be directly carried out after the tool setting and the tool receiving are completed.
According to the characteristics of the current machine tool, the tool database provided by the embodiment of the invention performs contact processing operation on a test piece through a plurality of types of selected test tools according to the requirement of die processing under the condition that the machine tool is stable in operation, analyzes and obtains the tool joint error data of the current machine tool aiming at the current test tool through detection of high-precision test instruments such as probes, and performs repeated test verification according to the obtained error data so as to obtain reliable high-precision targeted tool joint process data, and applies the tool joint process data to die processing programming in a modularized processing mode so as to improve the precision and efficiency of tool joint processing. Compared with the traditional tool receiving processing method, namely, in the process of processing the die, the tool receiving processing method has the advantages that the tool receiving processing method is more efficient, the dependence on the technical level of the field operator can be reduced, and the dependence on the processing precision and the automation level of a machine tool can be reduced by judging the tool receiving effect through the touch or measurement of the field operator and controlling and adjusting the tool receiving process data by the field operator.
In an application embodiment, the knife-connecting processing operation in the embodiment of the invention at least comprises the following steps:
s221, acquiring cutter parameters of a machining cutter to obtain a matched test cutter in a cutter database;
s222, setting cutter receiving processing parameters of a machine tool according to the matched cutter receiving process data of the test cutter so as to carry out cutter receiving processing;
s223, after the knife connection treatment is completed, the next working procedure is directly carried out.
The computer program can be applied to the input data to perform the functions described herein, thereby converting the input data to generate output data that is stored to the non-volatile memory. The output information may also be applied to one or more output devices such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including specific visual depictions of physical and tangible objects produced on a display.
The present invention is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present invention, which are included in the spirit and principle of the present invention. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the invention.
Claims (10)
1. A pretreatment method for improving the processing precision of a copper electrode of a die, the pretreatment method comprising the following steps:
s110, setting a test machining procedure according to the characteristics of a machine tool and the machining requirements, and machining a test piece through the machine tool according to the test machining procedure; performing process test on the processed test piece to obtain the machine tool characteristics affecting the machining precision of the machine tool, and generating a corresponding characteristic database;
s120, a cutter database is formulated according to the mould processing requirements; after the test piece is sequentially subjected to rough machining, semi-finish machining and finish machining, selecting a test cutter from the cutter database to carry out cutter receiving treatment on the smooth cutter surface of the test piece, carrying out process adjustment according to the machining effect of the cutter receiving surface until qualified cutter receiving process data are obtained, and recording and storing the corresponding cutter receiving process data in the cutter database; the tool database comprises a plurality of types of test tools with different diameters.
2. The pretreatment method according to claim 1, wherein the machine tool characteristics include screw thermal protrusion data, spindle thermal elongation data, and machine tool thermal deformation data.
3. The pretreatment method of claim 1, wherein the process test mode comprises measurement by a three-axis coordinate measuring machine, marking inspection using a dial gauge, and on-machine direct inspection.
4. The pretreatment method according to claim 1, wherein the tool receiving process data includes tool parameters, cutting parameters, and a feed path, wherein the cutting parameters include a step size, a tool draft, and a spindle rotation speed.
5. The pretreatment method of claim 1, wherein the characteristics database comprises workpiece dimensions and their corresponding preheat durations and preheat spindle speeds.
6. The pretreatment method according to claim 1, wherein the test piece is made of a red copper material.
7. A method of processing a die copper electrode based on the pretreatment method according to any one of claims 1 to 6, comprising the steps of:
s210, acquiring a die machining program of a copper electrode, preheating a machined area, and automatically identifying and controlling the preheating time of a machine tool according to a preset preheating variable; wherein the preheating variable is obtained according to the machine tool characteristics and through the characteristic database; processing the copper electrode according to the die processing program;
s220, when the cutter receiving treatment is needed, automatically identifying and generating cutter receiving machining parameters of the machine tool according to machining cutters needing cutter receiving through a preset post-treatment program; after finishing the cutter receiving according to the cutter receiving processing parameters, directly processing the next working procedure; and the cutter receiving processing parameters are obtained according to the cutter database.
8. The processing method according to claim 7, wherein the step S210 includes the steps of:
s211, acquiring a die machining program of the copper electrode to obtain the machining size of the copper electrode;
s212, automatically obtaining preheating duration and spindle rotating speed matched with the machining size according to the machine tool characteristic database;
s213, preheating the machine tool according to the matched preheating duration and the spindle rotating speed.
9. The processing method according to claim 7, wherein the step S220 includes the steps of:
s221, acquiring tool parameters of the machining tool to obtain a matched test tool in the tool database;
s222, setting cutter receiving processing parameters of a machine tool according to the matched cutter receiving process data of the test cutter so as to carry out cutter receiving processing;
s223, after the knife connection treatment is completed, the next working procedure is directly carried out.
10. A numerically-controlled machine tool, comprising:
computer means storing program instructions which, when executed by a processor, implement the method of any one of claims 7 to 9.
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| CN202310681837.6A CN116728006A (en) | 2023-06-09 | 2023-06-09 | Die copper electrode machining method for improving precision |
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| CN202310681837.6A CN116728006A (en) | 2023-06-09 | 2023-06-09 | Die copper electrode machining method for improving precision |
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