CN115056037A - Method for improving tool measurement efficiency in numerical control machining process - Google Patents
Method for improving tool measurement efficiency in numerical control machining process Download PDFInfo
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- CN115056037A CN115056037A CN202210711849.4A CN202210711849A CN115056037A CN 115056037 A CN115056037 A CN 115056037A CN 202210711849 A CN202210711849 A CN 202210711849A CN 115056037 A CN115056037 A CN 115056037A
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- tool
- cutter
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- measuring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
- B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
- B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
- B23Q17/0923—Tool length
Abstract
The invention discloses a method for improving the tool measuring efficiency in the numerical control machining process, which comprises the steps of installing a tool setting gauge on a machine tool workbench; establishing a mapping relation between the type of the part and a cutter tool setting scheme of the corresponding part according to the abrasion degree of different parts to the cutter tool; judging the type of the part to be processed, and selecting a cutter setting scheme of the corresponding part according to the judgment result of the type of the part and the mapping relation between the type of the part and the cutter setting scheme of the corresponding part; and when the current part machining times reach the part machining time threshold set in the cutter setting scheme of the corresponding part, measuring the length and radius value parameters of the cutter. According to the tool setting gauge, various position relations are considered, the tool setting gauge is arranged on the machine tool workbench, and the accuracy of tool parameter measurement can be guaranteed; and according to the abrasion degree of different parts to the cutter, the mapping relation between the part type and the cutter-to-cutter scheme of the corresponding part is established, the cutter measuring frequency can be flexibly changed, and therefore the machining efficiency is improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a method for improving the measurement efficiency of a cutter in a numerical control machining process.
Background
The cutter is one of the key factors in the machining process, the influence of the state of the cutter on the machining quality of parts is very large, and if the cutter is broken or damaged in the machining process, the parts can be scrapped out in an out-of-tolerance mode. In order to ensure the machining quality, the control of the tool state is very important in the field of machining. Common management and control measures include:
1. and judging the state of the tool of the machine tool according to the sound in the cutting process by an operator according to the working experience, and manually intervening if the abnormality occurs.
2. The method is characterized in that tool detection equipment (tool setting gauges and the like) is introduced into a machine tool, parameters of the tools are measured one by one before parts are machined, the machine is stopped to alarm in time when the parameters of the tools are wrong, and an operator replaces the tools.
The above method 1 has a high dependency on the experience of the operator and requires that the person is not off-board. The method 2 can detect the state of the tool, but since the tool needs to be measured inside the machine tool before each machining, the effective working time of the machine tool is reduced.
In actual processing, different materials have great difference on the abrasion degree of the cutter. For example, when the tool is used for processing stainless steel, titanium alloy and other metals which are difficult to process, the abrasion loss is large, and the tool needs to be frequently replaced. When the aluminum alloy material is processed, the abrasion loss is small, the tool does not need to be replaced frequently, and if the tool is measured in each processing, the effective processing time of the machine tool can be wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for improving the tool measuring efficiency in the numerical control machining process.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a method for improving the measuring efficiency of a cutter in the numerical control machining process comprises the following steps:
s1, mounting the tool setting gauge on a machine tool workbench based on the Y-direction parallelism of the tool setting gauge and a machine tool, the parallelism of the tool setting gauge and an XY horizontal plane, and the height and the position of the tool setting gauge relative to the available travel range of the spindle;
s2, establishing a mapping relation between the part type and the cutter-to-cutter scheme of the corresponding part according to the abrasion degree of different parts to the cutter;
s3, judging the type of the part to be processed, and selecting a cutter setting scheme of the corresponding part according to the judgment result of the type of the part and the mapping relation between the type of the part and the cutter setting scheme of the corresponding part;
s4, judging whether the current part machining times are smaller than the part machining time threshold value set in the cutter setting scheme of the corresponding part; if yes, go to step S5; otherwise, jumping to step S6;
s5, processing the parts to be processed in sequence by adopting the cutter setting schemes of the corresponding parts, and returning to the step S4;
and S6, measuring the length and radius value parameters of the cutter.
Optionally, in step S1, the Y-direction parallelism of the tool setting gauge and the machine tool is not greater than 0.1 mm.
Optionally, the parallelism of the tool setting gauge and the XY horizontal plane in step S1 is not more than 0.005 mm.
Optionally, the height and position of the tool setting gauge in step S1 are limited to the available travel range relative to the spindle.
Optionally, in step S2, establishing a mapping relationship between the part type and the tool-setting scheme of the corresponding part according to the wear degree of the tool by different parts, including:
and setting a part machining frequency threshold value for measuring the tool parameters in the tool setting scheme aiming at different part types according to the wear degrees of the tools by different parts.
Optionally, the setting of the part machining time threshold for measuring the tool parameter in the tool setting plan for different part types includes:
and aiming at the types of stainless steel and titanium alloy parts, setting the part processing frequency threshold value for measuring the cutter parameters in the cutter setting scheme to be 1.
Optionally, the setting of the part machining time threshold for measuring the tool parameter in the tool setting plan for different part types includes:
and setting the part processing frequency threshold value for measuring the cutter parameters in the cutter setting scheme to be n according to the type of the aluminum alloy part, wherein n is more than or equal to 2.
The invention has the following beneficial effects:
according to the tool setting gauge, various position relations are considered, the tool setting gauge is arranged on the machine tool workbench, and the accuracy of tool parameter measurement can be guaranteed; and according to the abrasion degree of different parts to the cutter, the mapping relation between the part type and the cutter-to-cutter scheme of the corresponding part is established, the cutter measuring frequency can be flexibly changed, and therefore the machining efficiency is improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for improving the tool measurement efficiency during a numerical control machining process according to an embodiment of the present invention;
fig. 2 is a schematic view of the installation position of the tool setting gauge on the workbench of the machine tool in the embodiment of the invention.
In the figure, 1, a tool setting gauge, 2, a machine tool workbench, 3, a machine tool spindle, 4 and a tool.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined by the appended claims, and all changes that can be made by the invention using the inventive concept are intended to be protected.
As shown in fig. 1, an embodiment of the present invention provides a method for improving tool measurement efficiency in a numerical control machining process, including the following steps S1 to S6:
s1, mounting the tool setting gauge on a machine tool workbench based on the Y-direction parallelism of the tool setting gauge and a machine tool, the parallelism of the tool setting gauge and an XY horizontal plane, and the height and the position of the tool setting gauge relative to the available travel range of the spindle;
in an optional embodiment of the invention, in order to ensure the accuracy of the tool parameter measurement, the invention limits the installation position of the tool setting gauge based on the Y-direction parallelism of the tool setting gauge and the machine tool, the parallelism of the tool setting gauge and an XY horizontal plane, and the height and the position of the tool setting gauge relative to the available stroke range of the spindle.
As shown in figure 2, when the tool setting gauge 1 is arranged on the workbench 2, the parallelism between the tool setting gauge and the Y direction of the machine tool is not more than 0.1mm, and the parallelism between the tool setting gauge and the XY horizontal plane is not more than 0.005 mm. And the height and the position of the tool setting gauge 1 are within the available stroke range of the main shaft 3, so that the tool setting gauge can measure a tool with a certain length.
S2, establishing a mapping relation between the part type and the cutter-to-cutter scheme of the corresponding part according to the abrasion degree of different parts to the cutter;
in an optional embodiment of the present invention, the step S2 of establishing a mapping relationship between the part type and the tool-setting scheme of the corresponding part according to the wear degrees of the tools by different parts includes:
and setting a part machining frequency threshold value for measuring the tool parameters in the tool setting scheme aiming at different part types according to the wear degrees of the tools by different parts.
Specifically, the part machining frequency threshold value for measuring the tool parameters in the tool setting scheme is set to be 1 according to the types of stainless steel and titanium alloy parts.
And setting the part processing frequency threshold value for measuring the cutter parameters in the cutter setting scheme to be n according to the type of the aluminum alloy part, wherein n is more than or equal to 2.
According to the invention, the tool measuring frequency can be flexibly changed by changing the value of n according to the abrasion condition of different materials to the tool, and the processing efficiency is improved.
S3, judging the type of the part to be processed, and selecting a cutter setting scheme of the corresponding part according to the judgment result of the type of the part and the mapping relation between the type of the part and the cutter setting scheme of the corresponding part;
s4, judging whether the current part machining times are smaller than the part machining time threshold set in the cutter setting scheme of the corresponding part; if yes, go to step S5; otherwise, jumping to step S6;
s5, processing the parts to be processed in sequence by adopting the cutter setting schemes of the corresponding parts, and returning to the step S4;
and S6, measuring the length and radius value parameters of the cutter.
The invention adopts a numerical control program T1M 6; for example, G65P9862B3T1 realizes the measurement of length and radius parameters of the cutter through numerical control programming, and realizes the cutter detection once for each n parts processed through a numerical control program, thereby improving the detection efficiency.
The numerical control program is as follows:
T1M6；
#551=#551+1；
IF[#551LT n]GOTO201；
G65P9862B3T1；
#551=0；
N201；
... (processing program)
After the tool setting gauge is installed, the length and the radius of the tool can be measured by a numerical control program, if materials which are difficult to machine such as stainless steel, titanium alloy and the like are processed, the parameters of the tool can be measured before each processing, and the specific measuring program is as follows:
T1M6；
G65P9862B3T1；
T2M6；
G65P9862B3T2；
... (other measuring tool programs)
... (processing program)
When the machining is carried out on the easily machined materials such as aluminum alloy and the like, the tool does not need to be detected every time of machining, and the tool can be detected every time when n parts are machined, so that the machining efficiency is improved. Such as: the detection of the cutter every time 10 parts are machined can be realized by the following procedures:
T1M6；
#551=#551+1；
IF[#551LT 10]GOTO201；
G65P9862B3T1；
#551=0；
n201; (measuring the first tool)
T2M6；
#552=#552+1；
IF[#552LT 10]GOTO202；
G65P9862B3T2；
#552=0；
N202; (measuring second handle tool)
... (other measuring tool programs)
... (processing program)
According to the abrasion conditions of different materials to the cutter, the cutter measuring frequency can be flexibly changed by changing the numerical value of n, and the machining efficiency is improved.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
Claims (7)
1. A method for improving the measuring efficiency of a cutter in the numerical control machining process is characterized by comprising the following steps:
s1, mounting the tool setting gauge on a machine tool workbench based on the Y-direction parallelism of the tool setting gauge and a machine tool, the parallelism of the tool setting gauge and an XY horizontal plane, and the height and the position of the tool setting gauge relative to the available travel range of the spindle;
s2, establishing a mapping relation between the part type and the cutter-to-cutter scheme of the corresponding part according to the abrasion degree of different parts to the cutter;
s3, judging the type of the part to be processed, and selecting a cutter setting scheme of the corresponding part according to the judgment result of the type of the part and the mapping relation between the type of the part and the cutter setting scheme of the corresponding part;
s4, judging whether the current part machining times are smaller than the part machining time threshold value set in the cutter setting scheme of the corresponding part; if yes, go to step S5; otherwise, jumping to step S6;
s5, processing the parts to be processed in sequence by adopting the cutter setting schemes of the corresponding parts, and returning to the step S4;
and S6, measuring the length and radius value parameters of the cutter.
2. The method for improving the tool measurement efficiency in the numerical control machining process according to claim 1, wherein the parallelism of the tool setting gauge and the machine tool in the Y direction in the step S1 is not more than 0.1 mm.
3. The method for improving the measurement efficiency of the tool in the numerical control machining process according to claim 1, wherein the parallelism of the tool setting gauge and the XY horizontal plane in step S1 is not more than 0.005 mm.
4. The method for improving the tool measuring efficiency in the numerical control machining process according to claim 1, wherein the height and the position of the tool setting gauge in the step S1 are limited within an available stroke range relative to the spindle.
5. The method of claim 1, wherein the step S2 of establishing a mapping relationship between the part type and the tool-to-tool scheme of the corresponding part according to the degree of wear of the tool by different parts comprises:
and setting part machining frequency thresholds for measuring the tool parameters in the tool setting scheme according to the wear degrees of the tools by different parts aiming at different part types.
6. The method for improving the tool measurement efficiency in the numerical control machining process according to claim 5, wherein the setting of the part machining time threshold for measuring the tool parameter in the tool setting scheme by the tool for different part types includes:
and aiming at the types of stainless steel and titanium alloy parts, setting the part processing frequency threshold value for measuring the cutter parameters in the cutter setting scheme to be 1.
7. The method for improving the tool measurement efficiency in the numerical control machining process according to claim 5, wherein the setting of the part machining time threshold for measuring the tool parameter in the tool setting scheme by the tool for different part types includes:
and setting the part processing frequency threshold value for measuring the cutter parameters in the cutter setting scheme to be n according to the type of the aluminum alloy part, wherein n is more than or equal to 2.
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