CN117272422A - Precise trimming deformation processing method for die flatness - Google Patents
Precise trimming deformation processing method for die flatness Download PDFInfo
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- 238000009966 trimming Methods 0.000 title abstract description 4
- 238000003672 processing method Methods 0.000 title description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008439 repair process Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000004215 lattice model Methods 0.000 claims description 29
- 238000007493 shaping process Methods 0.000 claims description 23
- 238000012795 verification Methods 0.000 claims description 18
- 230000004048 modification Effects 0.000 claims description 14
- 238000012986 modification Methods 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 abstract description 22
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- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G06F30/10—Geometric CAD
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention discloses a method for precisely repairing and reversing deformation of mould flatness, which comprises the following steps: obtaining a mold model; determining a shape correction plane and paving a reference lattice; obtaining a projection lattice by a projection method; obtaining projection lattice data; importing a reference dot matrix and trimming data; performing subtraction to obtain model repairing lattice data; copying the repair lattice data to a mold model, generating a surface by using the repair lattice data and replacing a repair plane to obtain an inverse deformation product model, and putting into production; by establishing a model and establishing point positions on the model, point position data and product size data are in the same coordinate system, so that the batch processing effect is achieved, the processing efficiency is high, the influence of the point position number is avoided, the problem that workload is opposite to deformation precision is eliminated, and the flatness precision is improved to be within 0.05 mm; the batch processing calculation amount is not high, errors are not easy to occur, the model can intuitively confirm whether calculation is correct, the checking is convenient, and the reverse deformation precision is improved.
Description
Technical Field
The invention belongs to the technical field of product surface treatment, and particularly relates to a precision trimming deformation treatment method for die flatness.
Background
When the die is used for processing products, the products can deform during processing due to the technical reasons such as uneven injection molding cooling, stamping rebound and the like or due to the structural and physical and chemical properties of the products, the dimensional accuracy is affected, and the surface flatness does not meet the requirements, so that the anti-deformation technology is generated.
The existing anti-deformation technology is more skillful, the positions of the product surface points can be obtained through equipment, so that the anti-deformation size is calculated, however, the obtained point position data and the product size data are not a coordinate system and cannot be matched quickly, the processing by staff is needed one by one, the processing efficiency is low, the processing amount is also low, the product precision is not improved, and meanwhile, the error rate is increased due to repeated calculation, so that the anti-deformation precision is influenced. Therefore, the application aims at the problems and innovations and improvements on the method for reverse deformation of the product.
The existing anti-deformation treatment method mainly has the following problems:
1. most of the existing anti-deformation processing methods have the problem of low efficiency, because point position data are simple coordinate data and are not a system with product size data, point position data are needed to be calculated one by one when anti-deformation calculation is carried out, the anti-deformation processing efficiency is low, the processing amount is small, and the product precision cannot be improved by using a large amount of point data.
2. Most of the existing anti-deformation processing methods have the problem of high error rate, because each point data is calculated independently, the possibility of error is increased synchronously along with the increase of calculation, the size deviation is easy to occur, the pure digital data is not easy to check, and the anti-deformation precision is influenced.
Disclosure of Invention
The invention aims to: in order to overcome the defects, the invention aims to provide a precision repair and inverse deformation processing method for the flatness of a die, which is characterized in that by establishing a model and establishing point positions on the model, point position data and product size data are positioned in the same model, and calculation can be synchronously imported, so that the effect of batch processing is achieved, the processing efficiency is high, the influence of the point position number is avoided, the restriction of workload on inverse deformation precision is eliminated, and the flatness precision is improved to be within 0.05 mm; meanwhile, the calculation amount is low through batch calculation, errors are not easy to occur, whether the calculation is correct or not can be intuitively confirmed by the model, the check is convenient, and the reverse deformation precision is improved.
The technical scheme is as follows: in order to achieve the above purpose, the invention provides a method for precisely repairing and reversing deformation of mould flatness, which specifically comprises the following steps:
step one: preparing an original mold according to the required size, and scanning the original mold by using scanning equipment to obtain a mold model;
step two: determining a shape-modifying plane, and shearing the shape-modifying plane; paving a reference lattice (X, Y, a), and deriving a modified plane to obtain a plane independent model, wherein a is a constant;
step three: opening a plane independent model, projecting a reference lattice (X, Y, a) onto a modification plane by a projection method to obtain a projection lattice, and selecting the projection lattice to derive to obtain a projection lattice model;
step four: opening a projection lattice model, converting the projection lattice model into a text format, obtaining projection lattice data (X, Y, Z), and importing the projection lattice data (X, Y, Z) into a table;
step five: introducing a reference lattice (X, Y, a), preparing a sample product by using an original mold, and scanning by using a scanning device to obtain a sample product lattice (X, Y, Z) Z ) The sample product lattice (X, Y, Z Z ) And the required size is differed to obtain die repairing data Z 0 ;
Step six: projecting the dot matrix data (X, Y, Z) and modifying the data Z 0 Performing difference to obtain modified dot matrix data (X, Y, Z) k );
Step seven: modifying the matrix data (X, Y, Z) k ) Copying to the text format, opening the projected lattice model, checking the modified lattice data (X, Y, Z k ) A location;
step eight: hiding and deriving the projected lattice data (X, Y, Z), re-opening, and copying the modified lattice data (X, Y, Z) k ) To the mold model, the mold repair lattice data (X, Y, Z k ) And (5) making a surface and replacing the shape-modifying plane to obtain an inverse deformation product model, and putting into production.
The method for establishing the model is adopted for setting the anti-deformation processing method, point position data required by the anti-deformation are established in the model, so that the point position data and the product size data are in the same coordinate system, calculation can be synchronously derived, and the capacity of batch processing is obtained; meanwhile, the establishment of the model accords with the characteristics of human visual animals, the accuracy of calculation can be intuitively confirmed during the anti-deformation treatment, and the error rate is reduced.
The third step of the present invention further comprises: after opening the plane independent model, points, lines or faces outside the modified plane and the reference lattice (X, Y, a) are removed.
The method for processing the reverse deformation is provided with the step of deleting redundant elements, so that the reference dot matrix (X, Y, a) is conveniently selected, and unnecessary elements are prevented from being selected during frame selection.
The fifth step of the present invention further comprises: synchronously copying serial numbers of the projection lattice data (X, Y, Z) when copying the projection lattice data (X, Y, Z), placing the serial numbers on one side of a reference lattice (X, Y, a), and checking whether the serial numbers are consistent with the serial numbers of the projection lattice data (X, Y, Z) in a projection lattice model; checking X values and Y values of a reference dot matrix (X, Y, a) and projection dot matrix data (X, Y, Z), wherein the reference dot matrix (X, Y, a) corresponds to X, Y values of the projection dot matrix data (X, Y, Z) one by one.
The reverse deformation processing method is used for checking the copied data to confirm whether the quantity and sequence of the copied data are correct, avoiding error in copying the data and improving the calculation accuracy; if the copied sequence number is inconsistent with the projected lattice data (X, Y, Z) sequence number, the copying error is indicated, and the re-export and copying are needed.
The fourth step of the present invention further comprises: and opening a projection lattice model, importing projection lattice data (X, Y, Z) through newly added point features, obtaining a verification lattice, and checking whether the verification lattice is consistent with the projection lattice data (X, Y, Z) in position.
The anti-deformation processing method is set, the copied data is checked, whether format errors exist in the copied data or not is confirmed, and calculation and subsequent reintroduction are prevented from being influenced; if the checking time point cannot be displayed or has displacement, the copied data has errors, and needs to be exported and copied again.
The fourth step of the present invention further comprises: checking that the verification lattice directions are consistent.
The reverse deformation processing method is used for checking the copied data, ensuring the consistency of the directions of the copied data and avoiding the problem of reverse addition and subtraction during calculation.
The seventh step of the present invention further comprises: modifying the dot matrix data (X, Y, Z) k ) Covering the verification lattice.
The method for processing the inverse deformation of the invention can compare the data with the projected lattice data (X, Y, Z) during the reintroduction by covering the verification lattice, and can repair the data (X, Y, Z) by confirming the correction lattice data (X, Y, Z) k ) Checking the correctness of calculation on the same plane of the projection lattice data (X, Y, Z) reduces the possibility of calculation errors.
The step eight in the invention further comprises: cutting off the matrix data (X, Y, Z) k ) Exporting after shaping the model outside the plane, restarting and deleting the modified matrix data (X, Y, Z) k ) And points, lines or planes outside the modified plane.
The method for processing the reverse deformation is provided with the step of deleting redundant elements, so that the reference dot matrix (X, Y, a) is conveniently selected, and unnecessary elements are prevented from being selected during frame selection.
The step eight in the invention further comprises: checking the repair matrix data (X, Y, Z) after re-opening k ) Number of parts.
The method for processing the inverse deformation is set up in the invention, and the matrix data (X, Y, Z) of the repair model is checked k ) And whether the number is consistent with the number of the reference lattices (X, Y, a) established at first, so that omission is avoided.
The step eight in the invention further comprises: the shape-modifying plane and the shape-modifying lattice data (X, Y, Z) k ) Synchronously copying to a mold model, checking whether the shaping planes overlap, checking the matrix data (X, Y, Z) k ) Position.
The setting of the anti-deformation processing method in the invention willThe planes are imported together into the model, and the model repair lattice data (X, Y, Z) is ensured by checking whether the planes coincide with the repair planes on the model k ) The position is accurate, and errors of the importing action are avoided.
The first step of the invention further comprises: the mold model is obtained by 3D scanning.
According to the setting of the anti-deformation processing method, a model is obtained by adopting 3D scanning, and the establishment of the model is simplified.
The checking actions in the fourth and fifth steps adopt spot check.
The anti-deformation processing method reduces the workload and avoids the visual fatigue of staff.
The first, second, third and eighth steps are performed by using Rhino software, the fourth, fifth and sixth steps are performed by using Excel software, and the fourth, seventh and eighth steps are performed by using Pro-e.
The Rhino software is set, so that the model and the modification plane are conveniently acquired, the Excel software is set, and batch calculation is conveniently performed by using a formula.
The technical scheme can be seen that the invention has the following beneficial effects:
1. according to the precise repair and inverse deformation processing method for the die flatness, disclosed by the invention, the point position data and the product size data are in the same coordinate system by establishing the model and establishing the point positions on the model, so that the calculation can be synchronously imported, the batch processing effect is achieved, the processing efficiency is high, the influence of the point position number is avoided, the restriction of workload on the inverse deformation precision is eliminated, and the flatness precision is improved to be within 0.05 mm.
2. According to the method for precisely repairing and reversing the deformation of the die flatness, provided by the invention, the calculation amount is low and mistakes are not easy to occur through batch calculation, the model can intuitively confirm whether the calculation is correct or not, the checking is convenient, and the reversing deformation precision is improved.
3. According to the method for precisely repairing and reversing the deformation of the die flatness, a plurality of checking actions are performed, and due to the characteristic of batch processing of the method, each checking is equivalent to checking all point position data, and the accuracy of calculation is improved by replying without increasing too much workload.
Drawings
FIG. 1 is a schematic overall flow chart of the present invention;
FIG. 2 is a schematic diagram of a mold model according to the present invention;
FIG. 3 is a schematic view of a planar independent model according to the present invention;
FIG. 4 is a schematic diagram of a projected lattice model according to the present invention;
FIG. 5 is a schematic diagram of the structure of the inverse deformation product model of the present invention;
in the figure: the model comprises a mould model-1, a shaping plane-11, a plane independent model-2, a projection lattice model-3 and an inverse deformation product model-4.
Detailed Description
The invention is further elucidated below in connection with the drawings and the specific embodiments.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Example 1
The method for precisely modifying and reversing the flatness of the die shown in fig. 1 specifically comprises the following steps:
step one: preparing an original mold according to the required size, and scanning the original mold by using scanning equipment to obtain a mold model 1;
step two: determining a shaping plane 11, and cutting out the shaping plane 11; paving a reference lattice (X, Y, a), and deriving a modified plane 11 to obtain a plane independent model 2, wherein a is a constant;
step three: opening a plane independent model 2, projecting a reference lattice (X, Y, a) onto a modification plane 11 by a projection method to obtain a projection lattice, and selecting the projection lattice to derive to obtain a projection lattice model 3;
step four: opening the projection lattice model 3, converting the projection lattice model 3 into a text format, obtaining projection lattice data (X, Y, Z), and importing the projection lattice data (X, Y, Z) into a table;
step five: introducing a reference lattice (X, Y, a), preparing a sample product by using an original mold, and scanning by using a scanning device to obtain a sample product lattice (X, Y, Z) Z ) The sample product lattice (X, Y, Z Z ) And the required size is differed to obtain die repairing data Z 0 ;
Step six: projecting the dot matrix data (X, Y, Z) and modifying the data Z 0 Performing difference to obtain modified dot matrix data (X, Y, Z) k );
Step seven: modifying the matrix data (X, Y, Z) k ) Copying to the text format, opening the projected lattice model 3, checking the modified lattice data (X, Y, Z k ) A location;
step eight: hiding and deriving the projected lattice data (X, Y, Z), re-opening, and copying the modified lattice data (X, Y, Z) k ) To the mold model 1, the repair matrix data (X, Y, Z k ) And (5) making a surface and replacing the modified plane 11 to obtain the reverse deformation product model 4, and putting the reverse deformation product model into production.
The third step in this embodiment further includes: after opening the plane independent model 2, points, lines or faces other than the modification plane 11 and the reference lattice (X, Y, a) are removed.
Step five described in this embodiment further includes: synchronously copying serial numbers of the projection lattice data (X, Y, Z) when copying the projection lattice data (X, Y, Z), placing the serial numbers on one side of a reference lattice (X, Y, a), and checking whether the serial numbers are consistent with the serial numbers of the projection lattice data (X, Y, Z) in the projection lattice model 3; checking X values and Y values of a reference dot matrix (X, Y, a) and projection dot matrix data (X, Y, Z), wherein the reference dot matrix (X, Y, a) corresponds to X, Y values of the projection dot matrix data (X, Y, Z) one by one.
Step four described in this embodiment further includes: the projection lattice model 3 is opened, projection lattice data (X, Y, Z) is imported through newly added point characteristics, a verification lattice is obtained, and whether the verification lattice is consistent with the projection lattice data (X, Y, Z) in position or not is checked.
Step four described in this embodiment further includes: checking that the verification lattice directions are consistent.
Step seven described in this embodiment further includes: modifying the dot matrix data (X, Y, Z) k ) Covering the verification lattice.
Step eight described in this embodiment further includes: cutting off the matrix data (X, Y, Z) k ) Derived from a model other than the modification plane 11, re-opened, and deleted the modification matrix data (X, Y, Z k ) And points, lines or faces outside the shaping plane 11.
Step eight described in this embodiment further includes: checking the repair matrix data (X, Y, Z) after re-opening k ) Number of parts.
Step eight described in this embodiment further includes: the shaping plane 11 is combined with the matrix data (X, Y, Z) k ) Synchronously copied to the mold model 1, checking whether the shaping planes 11 overlap, checking the matrix data (X, Y, Z) k ) Position.
Step one described in this embodiment further includes: the mold model 1 is obtained by 3D scanning.
The checking actions in the fourth and fifth steps described in this embodiment adopt spot check.
The steps one, two, three and eight described in this example use the Rhino software, the steps four, five and six use the Excel software, and the steps four, seven and eight use Pro-e.
Example 2
The method for precisely modifying and reversing the flatness of the die shown in fig. 1 specifically comprises the following steps:
step one: preparing an original mold according to the required size, and scanning the original mold by using scanning equipment to obtain a mold model 1;
step two: determining a shaping plane 11, and cutting out the shaping plane 11; paving a reference lattice (X, Y, a), and deriving a modified plane 11 to obtain a plane independent model 2, wherein a is a constant;
step three: opening a plane independent model 2, projecting a reference lattice (X, Y, a) onto a modification plane 11 by a projection method to obtain a projection lattice, and selecting the projection lattice to derive to obtain a projection lattice model 3;
step four: opening the projection lattice model 3, converting the projection lattice model 3 into a text format, obtaining projection lattice data (X, Y, Z), and importing the projection lattice data (X, Y, Z) into a table;
step five: introducing a reference lattice (X, Y, a), preparing a sample product by using an original mold, and scanning by using a scanning device to obtain a sample product lattice (X, Y, Z) Z ) The sample product lattice (X, Y, Z Z ) And the required size is differed to obtain die repairing data Z 0 ;
Step six: projecting the dot matrix data (X, Y, Z) and modifying the data Z 0 Performing difference to obtain modified dot matrix data (X, Y, Z) k );
Step seven: modifying the matrix data (X, Y, Z) k ) Copying to the text format, opening the projected lattice model 3, checking the modified lattice data (X, Y, Z k ) A location;
step eight: hiding and deriving the projected lattice data (X, Y, Z), re-opening, and copying the modified lattice data (X, Y, Z) k ) To the mold model 1, the repair matrix data (X, Y, Z k ) And (5) making a surface and replacing the modified plane 11 to obtain the reverse deformation product model 4, and putting the reverse deformation product model into production.
The third step in this embodiment further includes: after opening the plane independent model 2, points, lines or faces other than the modification plane 11 and the reference lattice (X, Y, a) are removed.
Step eight described in this embodiment further includes: cutting off the matrix data (X, Y, Z) k ) Derived from a model other than the modification plane 11, re-opened, and deleted the modification matrix data (X, Y, Z k ) And points, lines or faces outside the shaping plane 11.
Step one described in this embodiment further includes: the mold model 1 is obtained by 3D scanning.
Example 3
The method for precisely modifying and reversing the flatness of the die shown in fig. 1 specifically comprises the following steps:
step one: preparing an original mold according to the required size, and scanning the original mold by using scanning equipment to obtain a mold model 1;
step two: determining a shaping plane 11, and cutting out the shaping plane 11; paving a reference lattice (X, Y, a), and deriving a modified plane 11 to obtain a plane independent model 2, wherein a is a constant;
step three: opening a plane independent model 2, projecting a reference lattice (X, Y, a) onto a modification plane 11 by a projection method to obtain a projection lattice, and selecting the projection lattice to derive to obtain a projection lattice model 3;
step four: opening the projection lattice model 3, converting the projection lattice model 3 into a text format, obtaining projection lattice data (X, Y, Z), and importing the projection lattice data (X, Y, Z) into a table;
step five: introducing a reference lattice (X, Y, a), preparing a sample product by using an original mold, and scanning by using a scanning device to obtain a sample product lattice (X, Y, Z) Z ) The sample product lattice (X, Y, Z Z ) And the required size is differed to obtain die repairing data Z 0 ;
Step six: projecting the dot matrix data (X, Y, Z) and modifying the data Z 0 Performing difference to obtain modified dot matrix data (X, Y, Z) k );
Step seven: modifying the matrix data (X, Y, Z) k ) Copying to the text format, opening the projected lattice model 3, checking the modified lattice data (X, Y, Z k ) A location;
step eight: hiding and deriving the projected lattice data (X, Y, Z), re-opening, and copying the modified lattice data (X, Y, Z) k ) To the mold model 1, the repair matrix data (X, Y, Z k ) And (5) making a surface and replacing the modified plane 11 to obtain the reverse deformation product model 4, and putting the reverse deformation product model into production.
Step five described in this embodiment further includes: synchronously copying serial numbers of the projection lattice data (X, Y, Z) when copying the projection lattice data (X, Y, Z), placing the serial numbers on one side of a reference lattice (X, Y, a), and checking whether the serial numbers are consistent with the serial numbers of the projection lattice data (X, Y, Z) in the projection lattice model 3; checking X values and Y values of a reference dot matrix (X, Y, a) and projection dot matrix data (X, Y, Z), wherein the reference dot matrix (X, Y, a) corresponds to X, Y values of the projection dot matrix data (X, Y, Z) one by one.
Step four described in this embodiment further includes: the projection lattice model 3 is opened, projection lattice data (X, Y, Z) is imported through newly added point characteristics, a verification lattice is obtained, and whether the verification lattice is consistent with the projection lattice data (X, Y, Z) in position or not is checked.
Step four described in this embodiment further includes: checking that the verification lattice directions are consistent.
Step seven described in this embodiment further includes: modifying the dot matrix data (X, Y, Z) k ) Covering the verification lattice.
Step eight described in this embodiment further includes: checking the repair matrix data (X, Y, Z) after re-opening k ) Number of parts.
Step eight described in this embodiment further includes: the shaping plane 11 is combined with the matrix data (X, Y, Z) k ) Synchronously copied to the mold model 1, checking whether the shaping planes 11 overlap, checking the matrix data (X, Y, Z) k ) Position.
The checking actions in the fourth and fifth steps described in this embodiment adopt spot check.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (10)
1. A method for precisely repairing and reversing the flatness of a die is characterized by comprising the following steps: the method specifically comprises the following steps:
step one: preparing an original mold according to the required size, and scanning the original mold by using scanning equipment to obtain a mold model (1);
step two: determining a shaping plane (11), and cutting out the shaping plane (11); paving a reference lattice (X, Y, a), and deriving a modified plane (11) to obtain a plane independent model (2), wherein a is a constant;
step three: opening a plane independent model (2), projecting a reference lattice (X, Y, a) onto a shaping plane (11) by a projection method to obtain a projection lattice, and selecting the projection lattice to derive to obtain a projection lattice model (3);
step four: opening a projection lattice model (3), converting the projection lattice model (3) into a text format, obtaining projection lattice data (X, Y, Z), and importing the projection lattice data (X, Y, Z) into a table;
step five: introducing a reference lattice (X, Y, a), preparing a sample product by using an original mold, and scanning by using a scanning device to obtain a sample product lattice (X, Y, Z) Z ) The sample product lattice (X, Y, Z Z ) And the required size is differed to obtain die repairing data Z 0 ;
Step six: projecting the dot matrix data (X, Y, Z) and modifying the data Z 0 Performing difference to obtain modified dot matrix data (X, Y, Z) k );
Step seven: modifying the matrix data (X, Y, Z) k ) Copying to the text format, opening a projected lattice model (3), checking the modified lattice data (X, Y, Z k ) A location;
step eight: hiding and deriving the projected lattice data (X, Y, Z), re-opening, and copying the modified lattice data (X, Y, Z) k ) To the mold model (1), the modified lattice data (X, Y, Z k ) And (3) making a surface and replacing the modified plane (11) to obtain the reverse deformation product model (4) to put into production.
2. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the third step further comprises: after opening the plane independent model (2), points, lines or planes outside the modification plane (11) and the reference lattice (X, Y, a) are removed.
3. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the fifth step further comprises: synchronously copying serial numbers of the projection lattice data (X, Y, Z) when copying the projection lattice data (X, Y, Z), placing the serial numbers on one side of a reference lattice (X, Y, a), and checking whether the serial numbers are consistent with the serial numbers of the projection lattice data (X, Y, Z) in a projection lattice model (3); checking X values and Y values of a reference dot matrix (X, Y, a) and projection dot matrix data (X, Y, Z), wherein the reference dot matrix (X, Y, a) corresponds to X, Y values of the projection dot matrix data (X, Y, Z) one by one.
4. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the fourth step further comprises: and opening a projection lattice model (3), importing projection lattice data (X, Y, Z) by adding point features to obtain a verification lattice, and checking whether the positions of the verification lattice and the projection lattice data (X, Y, Z) are consistent.
5. The method for precisely repairing and deforming the flatness of a die according to claim 4, wherein the method comprises the following steps: the fourth step further comprises: checking that the verification lattice positions are on the side of the projection lattice data (X, Y, Z), and checking that the verification lattice directions are consistent.
6. The method for precisely repairing and deforming the flatness of a die according to claim 4, wherein the method comprises the following steps: the seventh step further comprises: modifying the dot matrix data (X, Y, Z) k ) Covering the verification lattice.
7. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the step eight further includes: cutting off the matrix data (X, Y, Z) k ) Is exported after the model outside the shaping plane (11), and the model-modified lattice data (X, Y, Z) is deleted after re-opening k ) With points, lines, or faces other than the shaping plane (11)。
8. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the step eight further includes: checking the repair matrix data (X, Y, Z) after re-opening k ) Number of parts.
9. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the step eight further includes: the shaping plane (11) and the shaping lattice data (X, Y, Z) k ) Synchronously copying to a mold model (1), checking whether the shaping planes (11) overlap, checking the matrix data (X, Y, Z) k ) Position.
10. The method for precisely repairing and deforming the flatness of the die according to claim 1, wherein the method comprises the following steps: the first step further comprises: the mold model (1) is obtained by 3D scanning.
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