CN114398737A - Cutter checking block and verification method thereof in numerical control program simulation - Google Patents
Cutter checking block and verification method thereof in numerical control program simulation Download PDFInfo
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- CN114398737A CN114398737A CN202210062752.5A CN202210062752A CN114398737A CN 114398737 A CN114398737 A CN 114398737A CN 202210062752 A CN202210062752 A CN 202210062752A CN 114398737 A CN114398737 A CN 114398737A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012795 verification Methods 0.000 title abstract description 5
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000004088 simulation Methods 0.000 claims abstract description 29
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000010200 validation analysis Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- G06F30/17—Mechanical parametric or variational design
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- G06—COMPUTING; CALCULATING OR COUNTING
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Abstract
The invention discloses a cutter checking block and a verification method thereof in numerical control program simulation, belonging to the technical field of numerical control machining, wherein the cutter checking block comprises a plurality of over-cutting characteristics which are uniformly distributed on the surface of the traditional cutter checking block; the cuboid bulge is arranged at the bottom of the traditional cutter checking block; establish and test the sword piece model, simulate in numerical control program to output simulation result, according to the exactness of simulation result analysis cutter and tool path, test the sword piece and provide more accurate simulation model for numerical control program simulation program, through the height of overcut characteristic verifies whether the cutter appears the mistake that major diameter cutter misused minor diameter cutter to and verify that it is correct to test the sword orbit, through quick locating surface, reached right test the purpose of quick setting and rechecking of sword piece position.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a tool checking block and a verification method thereof in numerical control program simulation.
Background
The patent number is CN 105290883A, Chinese patent literature with the publication date of 2016, 2, 3 discloses a numerical control machine tool checking method, the core idea is to prepare a tool checking block, the tool point, the R angle and the side surface of the tool are moved on the surface of the tool checking block by offsetting the distance of 0.1mm, if the tool does not contact the tool checking block, the requirement of tool suspension length, the R angle and the diameter is proved to be met, but the purpose of quick setting and rechecking cannot be realized by the tool checking block. In addition, when the method is applied to the actual production process, a method for checking and verifying in the program simulation link is lacked.
The simulation of a numerical control program is a crucial step in the part production link, the accuracy of the simulation program determines the quality and precision of a numerical control part, and in the simulation link, the accuracy of a cutter model directly influences the accuracy of a simulation result, so that how to accurately check the accuracy of the simulation cutter model is an urgent problem to be solved
Disclosure of Invention
The invention aims to overcome the defects that the traditional tool checking block in the prior art cannot realize the purpose of quick setting and rechecking and lacks a method for checking and verifying in a program simulation link, and provides the tool checking block and a verification method thereof in numerical control program simulation.
In order to achieve the above purpose, the invention provides the following technical scheme:
the cutter checking block comprises a plurality of over-cutting features which are uniformly distributed on the surface of a traditional cutter checking block, wherein the over-cutting features are convex structures on the surface of the traditional cutter checking block; the cuboid bulge is arranged at the bottom of the traditional tool checking block, two surfaces of the cuboid bulge, which are positioned at the bottom of the traditional tool checking block and are measured inwards, are quick positioning surfaces, and the vertex of each quick positioning surface passes through the central axis of the traditional tool checking block;
the height of the overcutting feature is greater than the cutter lifting height in a standard cutter checking procedure, and the width is consistent with the height.
By adopting the technical scheme, the cutter checking block provides a more accurate simulation model for a numerical control program simulation program, and through the height of the overcutting characteristic, whether the cutter has the error that a large-diameter cutter misuses a small-diameter cutter or not is verified, and whether the cutter checking track is correct or not is verified, and through a quick positioning surface, the aims of quickly setting and rechecking the position of the cutter checking block are fulfilled.
As a preferred aspect of the invention, the over-cut feature is used to supplement the working length, base angle and diameter features of the validation tool.
As a preferred aspect of the present invention, the quick positioning surface is used for quickly confirming and reviewing the position of the cutter checking block.
In another aspect, a method for verifying the tool checking block in the numerical control program simulation comprises the following steps:
s1: establishing a cutter checking block model;
s2: leading the tool checking block model into a simulation environment, and adjusting and verifying the position of the tool checking block model;
s3: carrying out numerical control program simulation and outputting a simulation result;
s4: and analyzing the correctness of the cutter and the cutter path according to the simulation result.
Adopt above-mentioned technical scheme, in actual production process, through establishing test sword piece model, and will carry out numerical control program simulation in the leading-in simulation environment of test sword piece model, can make things convenient for the handicraft to match fast test the correct position of sword piece, quick check test the correct position of sword piece and the exactness of verifying the cutter characteristic fast directly perceived to, showing the efficiency that has improved handicraft analog simulation, on the other hand, can effectually inspect the cutter with test the exactness when sword piece non-contact, broken through and used the tradition test sword piece model and only can inspect the limit of cutter interference error has improved the precision of product production.
As a preferable embodiment of the present invention, the step S1 includes: it is on the basis of sword piece model is tested to the tradition to test sword piece model, has increased many evenly distributed and is in the tradition is tested the overcut characteristic on sword piece model surface, and sets up the tradition is tested the cuboid of sword piece model bottom protruding, and the bellied being located of cuboid two faces of surveying in the tradition is tested sword piece model bottom are quick locating surface, the summit of quick locating surface is crossed the tradition is tested sword piece axis.
As a preferred aspect of the present invention, the width of the over-cut feature is set to 0.2mm and the height is set to 0.2 mm.
As a preferable embodiment of the present invention, the step S2 includes: and in a simulation environment, adjusting and verifying the position of the tool checking block model by measuring the distance between the quick positioning surface and the origin of the machining coordinate system.
As a preferable embodiment of the present invention, the step S3 includes:
s31: in numerical control program simulation, the cutter checking block model generates cutting alarm information on the top surface, the 45-degree conical surface, the cylindrical surface and the over-cutting characteristic, and the alarm information is output as effective alarm information I;
s32: in numerical control program simulation, the cutter checking block model generates cutting alarm information only at the over-cutting characteristic, and when the cutting is uniform, the alarm information is output as invalid alarm information; when the cut is uneven, outputting the alarm information as effective alarm information II;
s33: in the numerical control program simulation, if the cutter checking block model does not generate any cutting alarm information, no alarm information is output.
As a preferable embodiment of the present invention, the step S4 includes:
s41: according to the first effective alarm information, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is larger than the preset value of the working length, and/or the base angle of the cutter is smaller than the preset value of the base angle, and/or the diameter of the cutter is larger than the preset value of the diameter is judged;
s42: judging that the positions of the cutter and the cutter path are correct according to the invalid alarm information, wherein the cutter does not need to be rechecked at the moment;
s43: judging that the position of the cutter is wrong according to the second effective alarm information, and rechecking the cutter at the moment;
s44: when no alarm information is output, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is smaller than the preset value of the working length, and/or the base angle of the cutter is larger than the preset value of the base angle, and/or the diameter of the cutter is smaller than the preset value of the diameter is judged.
Compared with the prior art, the invention has the beneficial effects that: the tool checking block provides a more accurate simulation model for a numerical control program simulation program, whether the tool has the error that a large-diameter tool misuses a small-diameter tool or not and whether the tool checking track is correct or not are verified through the height of the over-cutting characteristic, and the aims of quickly setting and rechecking the position of the tool checking block are fulfilled through the quick positioning surface; in the actual production process, through establishing the cutter checking block model, and will carry out numerical control program simulation in the leading-in simulation environment of cutter checking block model, can make things convenient for the craftsman to match fast correct position, the quick check of cutter checking block correct position and the correctness of verifying the cutter characteristic fast directly perceivedly of cutter checking block to, showing the efficiency that has improved craftsman's simulation, on the other hand, can effectual inspection go out the cutter with correctness when cutter checking block non-contact has broken through and has used the tradition cutter checking block model only can inspect the wrong limitation is interfered to the cutter.
Drawings
Fig. 1 is a schematic view of a conventional tool checking block in a tool checking block according to embodiments 1 and 2 of the present invention;
fig. 2 is a schematic view of a tool checking block according to embodiment 1 of the present invention;
FIG. 3 is a left side view of a tool testing block according to embodiment 1 of the present invention;
FIG. 4 is a top view of a tool testing block according to embodiment 2 of the present invention;
FIG. 5 is a flowchart illustrating a method for verifying a tool checking block in a numerical control program simulation according to embodiment 3 of the present invention;
fig. 6 is a schematic diagram of a tool checking block model of a method for verifying a tool checking block in a numerical control program simulation according to embodiment 3 of the present invention;
FIG. 7 is a top view of a tool checking block model of a method for verifying a tool checking block in numerical control program simulation according to embodiment 3 of the present invention;
the labels in the figure are: 1-overcut characteristic, 2-bottom of traditional cutter checking block, 3-cuboid bulge, 4-rapid positioning surface, 5-top surface, 6-45 degree conical surface and 7-cylindrical surface.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
A cutter testing block, as shown in fig. 2 and 3, the cutter testing block comprises a plurality of over-cutting features 1 uniformly distributed on the surface of a traditional cutter testing block shown in fig. 1, wherein the over-cutting features 1 are convex structures on the surface of the traditional cutter testing block; the cutter checking device comprises a traditional cutter checking block and a cuboid bulge 3 arranged at the bottom 2 of the traditional cutter checking block as shown in figure 1, wherein two surfaces of the cuboid bulge 3, which are positioned at the bottom 2 of the traditional cutter checking block and are measured inwards, are quick positioning surfaces 4, and the vertex of each quick positioning surface passes through the central axis of the traditional cutter checking block;
the height of the over-cutting characteristic 1 is 0.1mm greater than the height of a cutter lifting tool in a standard cutter checking procedure, the width is consistent with the height, the width is not easy to be too large, and otherwise, an alarm is given frequently for over-cutting.
The overcut feature is used to complement the working length, base angle and diameter features of the validation tool 1.
The quick positioning surface 4 is used for quickly confirming and rechecking the position of the cutter checking block.
By adopting the technical scheme, the cutter checking block provides a more accurate simulation model for a numerical control program simulation program, and through the height of the overcutting characteristic, whether the cutter has the error that a large-diameter cutter misuses a small-diameter cutter or not is verified, and whether the cutter checking track is correct or not is verified, and through a quick positioning surface, the aims of quickly setting and rechecking the position of the cutter checking block are fulfilled.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that:
the cutter testing block comprises four over-cutting features 1 which are uniformly distributed on the surface of the traditional cutter testing block shown in figure 1, and the included angle between the four over-cutting features 1 is 90 degrees.
Example 3
A method for verifying a tool checking block in a numerical control program simulation as described in embodiment 1 or 2, as shown in fig. 5, comprising the following steps:
s1: establishing a cutter checking block model as shown in FIGS. 6 and 7;
specifically, the step S1 includes: it is on the basis of sword piece model is tested to the tradition to test sword piece model, has increased many evenly distributed and is in the tradition is tested the overcut characteristic 1 on sword piece model surface, and sets up the tradition is tested the cuboid arch 3 of sword piece model bottom, and the protruding 3 of cuboid is located two faces of surveying in the tradition is tested sword piece model bottom 2 are quick locating surface 4, quick locating surface 4's summit is crossed the tradition is tested sword piece axis.
The width of the over-cut feature 1 is set to 0.2mm and the height is 0.2 mm.
S2: leading the tool checking block model into a simulation environment, and adjusting and verifying the position of the tool checking block model;
specifically, the step S2 includes: and in a simulation environment, adjusting and verifying the position of the tool checking block model by measuring the distance between the quick positioning surface and the origin of the machining coordinate system.
S3: carrying out numerical control program simulation and outputting a simulation result;
specifically, the step S3 includes:
s31: in numerical control program simulation, the cutter checking block model generates cutting alarm information at the top surface 5, the 45-degree conical surface 6, the cylindrical surface 7 and the over-cutting feature 1, and the alarm information is output as effective alarm information I;
s32: in numerical control program simulation, the cutter checking block model generates cutting alarm information only at the over-cutting feature 1, and when the cutting is uniform, the alarm information is output as invalid alarm information; when the cut is uneven, outputting the alarm information as effective alarm information II;
s33: in the numerical control program simulation, if the cutter checking block model does not generate any cutting alarm information, no alarm information is output.
S4: and analyzing the correctness of the cutter and the cutter path according to the simulation result.
Specifically, the step S4 includes:
s41: according to the first effective alarm information, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is larger than the preset value of the working length, and/or the base angle of the cutter is smaller than the preset value of the base angle, and/or the diameter of the cutter is larger than the preset value of the diameter is judged;
s42: judging that the positions of the cutter and the cutter path are correct according to the invalid alarm information, wherein the cutter does not need to be rechecked at the moment;
s43: judging that the position of the cutter is wrong according to the second effective alarm information, and rechecking the cutter at the moment;
s44: when no alarm information is output, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is smaller than the preset value of the working length, and/or the base angle of the cutter is larger than the preset value of the base angle, and/or the diameter of the cutter is smaller than the preset value of the diameter is judged.
Adopt above-mentioned technical scheme, in actual production process, through establishing test sword piece model, and will carry out numerical control program simulation in the leading-in simulation environment of test sword piece model, can make things convenient for the handicraft to match fast test the correct position of sword piece, quick check test the correct position of sword piece and the exactness of verifying the cutter characteristic fast directly perceived to, showing the efficiency that has improved handicraft analog simulation, on the other hand, can effectually inspect the cutter with test the exactness when sword piece non-contact, broken through and used the tradition test sword piece model and only can inspect the limit of cutter interference error has improved the precision of product production.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The cutter checking block is characterized in that the cutter checking block comprises a plurality of over-cutting features which are uniformly distributed on the surface of a traditional cutter checking block; the cuboid bulge is arranged at the bottom of the traditional tool checking block, two surfaces of the cuboid bulge, which are positioned at the bottom of the traditional tool checking block and are measured inwards, are quick positioning surfaces, and the vertex of each quick positioning surface passes through the central axis of the traditional tool checking block;
the height of the overcutting feature is greater than the cutter lifting height in a standard cutter checking procedure, and the width is consistent with the height.
2. A tool testing block according to claim 1, wherein said overcutting features are used to supplement the working length, base angle and diameter features of the validation tool.
3. A tool testing block according to claim 1, wherein the quick-action locating surface is used to confirm and review the position of the tool testing block.
4. A method for verifying the tool checking block in the numerical control program simulation according to claim 1, comprising the steps of:
s1: establishing a cutter checking block model;
s2: leading the tool checking block model into a simulation environment, and adjusting and verifying the position of the tool checking block model;
s3: carrying out numerical control program simulation and outputting a simulation result;
s4: and analyzing the correctness of the cutter and the cutter path according to the simulation result.
5. The method for verifying the tool checking block in the numerical control program simulation as claimed in claim 4, wherein the step S1 comprises: it is on the basis of sword piece model is tested to the tradition to test sword piece model, has increased many evenly distributed and is in the tradition is tested the overcut characteristic on sword piece model surface, and sets up the tradition is tested the cuboid of sword piece model bottom protruding, and the bellied being located of cuboid two faces of surveying in the tradition is tested sword piece model bottom are quick locating surface, the summit of quick locating surface is crossed the tradition is tested sword piece axis.
6. The method for verifying the tool checking block in the numerical control program simulation as claimed in claim 5, wherein the width of the over-cut feature is set to 0.2mm, and the height is set to 0.2 mm.
7. The method for verifying the tool checking block in the numerical control program simulation as claimed in claim 4, wherein the step S2 comprises: and in a simulation environment, adjusting and verifying the position of the tool checking block model by measuring the distance between the quick positioning surface and the origin of the machining coordinate system.
8. The method for verifying the tool checking block in the numerical control program simulation as claimed in claim 4, wherein the step S3 comprises:
s31: in numerical control program simulation, the cutter checking block model generates cutting alarm information on the top surface, the 45-degree conical surface, the cylindrical surface and the over-cutting characteristic, and the alarm information is output as effective alarm information I;
s32: in numerical control program simulation, the cutter checking block model generates cutting alarm information only at the over-cutting characteristic, and when the cutting is uniform, the alarm information is output as invalid alarm information; when the cut is uneven, outputting the alarm information as effective alarm information II;
s33: in the numerical control program simulation, if the cutter checking block model does not generate any cutting alarm information, no alarm information is output.
9. The method for verifying the tool checking block in the simulation of the numerical control program according to claim 8, wherein the step S4 comprises:
s41: according to the first effective alarm information, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is larger than the preset value of the working length, and/or the base angle of the cutter is smaller than the preset value of the base angle, and/or the diameter of the cutter is larger than the preset value of the diameter is judged;
s42: judging that the positions of the cutter and the cutter path are correct according to the invalid alarm information, wherein the cutter does not need to be rechecked at the moment;
s43: judging that the position of the cutter is wrong according to the second effective alarm information, and rechecking the cutter at the moment;
s44: when no alarm information is output, the cutter needs to be rechecked at the moment, and whether the working length of the cutter is smaller than the preset value of the working length, and/or the base angle of the cutter is larger than the preset value of the base angle, and/or the diameter of the cutter is smaller than the preset value of the diameter is judged.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0457652A (en) * | 1990-06-23 | 1992-02-25 | Brother Ind Ltd | Machine tool |
| CN112355714A (en) * | 2020-09-30 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Cutter checking device and cutter checking method |
| JP2021062424A (en) * | 2019-10-10 | 2021-04-22 | 国立大学法人東海国立大学機構 | Cutting tool and cutting method |
| CN113126964A (en) * | 2021-03-31 | 2021-07-16 | 成都飞机工业（集团）有限责任公司 | CATIA-based efficient cutter checking programming method |
-
2022
- 2022-01-19 CN CN202210062752.5A patent/CN114398737A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0457652A (en) * | 1990-06-23 | 1992-02-25 | Brother Ind Ltd | Machine tool |
| JP2021062424A (en) * | 2019-10-10 | 2021-04-22 | 国立大学法人東海国立大学機構 | Cutting tool and cutting method |
| CN112355714A (en) * | 2020-09-30 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Cutter checking device and cutter checking method |
| CN113126964A (en) * | 2021-03-31 | 2021-07-16 | 成都飞机工业（集团）有限责任公司 | CATIA-based efficient cutter checking programming method |
Non-Patent Citations (1)
| Title |
|---|
| 石海;: "超大钛合金框数字化加工", 工具技术, no. 01, 20 January 2015 (2015-01-20), pages 50 - 53 * |
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