CN102728729B - Control method of full-life periodical processing precision of mould - Google Patents
Control method of full-life periodical processing precision of mould Download PDFInfo
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- CN102728729B CN102728729B CN201210238950.9A CN201210238950A CN102728729B CN 102728729 B CN102728729 B CN 102728729B CN 201210238950 A CN201210238950 A CN 201210238950A CN 102728729 B CN102728729 B CN 102728729B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000012545 processing Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 238000013461 design Methods 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000003754 machining Methods 0.000 claims description 40
- 238000005259 measurement Methods 0.000 claims description 40
- 230000008439 repair process Effects 0.000 claims description 30
- 239000006260 foam Substances 0.000 claims description 22
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000011960 computer-aided design Methods 0.000 abstract description 7
- 229920006328 Styrofoam Polymers 0.000 abstract 2
- 239000008261 styrofoam Substances 0.000 abstract 2
- 238000000465 moulding Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The invention discloses a control method of full-life periodical processing precision of a mould, and relates to a processing control method of the mould. The control method comprises the following steps of: S1, designing a three-dimensional CAD (Computer-Aided Design) mode of the mould; S2, manufacturing a Styrofoam mode; S3, acquiring the curved surface data of the Styrofoam mode; S4, comparing with the three-dimensional CAD mode of the mould cast piece to judge whether the size is out of tolerance; S5, acquiring the curved surface data of the cast piece; S6, comparing with the three-dimensional CAD mode of the mould to judge whether the size is out of tolerance; S7, acquiring the mechanical processing curved surface data; S8, comparing with the three-dimensional CAD mode of the mould to determine the processing position and the processing quantity of a tongman; S9, acquiring the curved surface data of the mould; S10, comparing with the three-dimensional CAD mode of the mould to provide the design experience for the mould designers; S11, acquiring the actual used curved surface data; and S12, comparing with the curved surface digifax E of the mould to determine the time for modifying the mould. The control method can improve the manufacture precision of the mould and can reduce the manufacturing time of the mould, so that the control method is especially applied to the mould by which the metal plates are directly manufactured as covers.
Description
Technical field
The present invention relates to a kind of processing control method of mould, particularly a kind of mould Life cycle machining accuracy control method.
Background technology
At present, cladding member mold uses quite general, traditional cladding member mold manufacture method mainly to have following defect in automobile manufacturing field: (1) Poly Foam model monitored size key point, lacks comprehensive, easily ignore local defect, easily cause the error of follow-up foundry goods even to be scrapped; (2) foundry goods only does outward appearance and detects, and cutter, easily appears hitting in machining process in not monitored size, or dimension overproof, and mold integral is scrapped; (3) after machined completes, when pincers worker polishing, relatively blindly, can not guarantee precision, increase die trial number of times, repeatedly fill die repair mould inefficiency, have a strong impact on the mould delivery time; (4) after die trial success, the actual molded surface data of mould do not retain, and do not form experience accumulation, and follow-up Design of Dies and reparation nothing are helped; (5) in mould use procedure, after mould to lose efficacy, just repair a die, cladding member mold is generally single products, repairs a die to mean and stopping production bring economic loss to enterprise; (6) time that repairs a die long, there is no reference model, repeatedly die trial; (7) traditional moulds manufacture link finishes after die trial success, all unique foundations using product exemplar as design of traditional moulds design, and the mould shape face after actual die trial success and the mould shape face take exemplar as foundation design always create a difference, in die manufacture, carry out always a large amount of die trials repeatedly, the process repairing a die, adjust the shape face of mould, increased the manufacturing time of mould.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of mould Life cycle machining accuracy control method is provided, to improve the mould accuracy of manufacture, shortens mould manufacturing time, and can be in mould Life cycle internal control molding jig precision.
The technical scheme solving the problems of the technologies described above is: a kind of mould Life cycle machining accuracy control method, the method is a kind of method that the machining accuracy of mould Life cycle is controlled, described mould Life cycle comprises product exemplar measurement in kind, die manufacture, mould use procedure and mould repair process, and concrete steps are as follows:
S1. designing mould three-dimensional CAD model:
The product exemplar in kind that adopts measurement mechanism to provide user is measured, obtain product exemplar data in kind, by computer, product exemplar data importing in kind Point Cloud Processing software systems are converted to the virtual three-dimensional surface of product exemplar in kind, obtain digital-to-analogue A, set up the three-dimensional CAD model of product exemplar in kind according to digital-to-analogue A; Or user directly provides the three-dimensional CAD model of product exemplar in kind, use the three-dimensional CAD model of product exemplar in kind to design the mould three-dimensional CAD model of converted products;
S2. make Poly Foam model:
On the basis of mould three-dimensional CAD model, increase allowance and put shrinkage factor designing mould Casting Three-dimensional cad model, make Poly Foam model with reference to it;
S3. obtain Poly Foam model curved surface data:
Adopt measurement mechanism to measure Poly Foam model, obtain Poly Foam model curved surface data;
S4. compare and judge that whether size is overproof with mould cast three-dimensional CAD model:
By computer, Poly Foam model curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue B, this digital-to-analogue B and mould cast three-dimensional CAD model are compared, if dimension overproof, after Poly Foam model being repaired, casting is arrived in circulation again, if size, in error range, is cast;
S5. obtain foundry goods curved surface data:
Adopt measurement mechanism to measuring through the foundry goods of casting gained, obtain foundry goods curved surface data;
S6. compare and judge that whether size is overproof with mould three-dimensional CAD model:
By computer, foundry goods curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue C, this digital-to-analogue C and mould three-dimensional CAD model are compared, if dimension overproof needs repair or scrap; If size, in error range, is carried out machining;
S7. obtain machining curved surface data:
Adopt measurement mechanism to measure the mould that completes machining, obtain machining curved surface data;
S8. compare and determine Working position and the machining dosage of pincers worker with mould three-dimensional CAD model:
By computer, machining curved surface data is imported to Point Cloud Processing software systems, raw forming face digital-to-analogue D, compares the shape face digital-to-analogue D and the mould three-dimensional CAD model that obtain, determines Working position and the machining dosage of pincers worker;
S9. obtain die curve data:
The die trial of after pincers worker completes, mould being carried out repeatedly repairs a die until product is qualified, adopts measurement mechanism to measure the successful mould of die trial, obtains die curve data;
S10. compare and provide design experiences for Design of Dies personnel with mould three-dimensional CAD model:
By die curve data importing Point Cloud Processing software systems, generate die curve digital-to-analogue E by computer, die curve digital-to-analogue E and mould three-dimensional CAD model are compared, for Design of Dies, personnel provide design experiences;
S11. obtain actual use curved surface data:
After mould is delivered for use, regularly use measurement mechanism to measure mould, obtain actual use curved surface data;
S12. with die curve digital-to-analogue E compare determine repair a die the time:
Use curved surface data to import Point Cloud Processing software systems reality by computer, generate mould shape face digital-to-analogue F, die curve digital-to-analogue E after the mould shape face digital-to-analogue F obtaining and die trial success is compared, according to die surface abrasion condition, determine and repair a die the time, before hardened layer is worn out, repair a die.
Further technical scheme of the present invention is: in described step S12, die curve digital-to-analogue E after the machined of mould repair and pincers worker processing capacity are successful take die trial is as foundation, after reparation completes, use measurement mechanism to measure the mould shape face of repairing, obtain mould shape face digital-to-analogue G, die curve digital-to-analogue E after the mould shape face digital-to-analogue G obtaining and die trial success is compared, with controlled working precision, reduce the die trial number of times after repairing a die.
Further technical scheme of the present invention is: described measurement mechanism is for obtaining the surface point data of testee, and this measurement mechanism comprises contact measuring apparatus or non-contact measurement apparatus.
Further technical scheme more of the present invention is: described non-contact measurement apparatus comprises self-align hand-held non-contact three-dimensional laser scanner or three-dimensional optical point measurement and face scanning device.
Further technical scheme more of the present invention is: described Point Cloud Processing software systems are for the treatment of a large amount of somes data that record, remove after noise point, contrast with basic data, reflect deviate between the two, this Point Cloud Processing software systems system comprises Geomagic Qualify or ImageWare or RapidForma reverse engineering software.
Further technical scheme more of the present invention is: be built-up welding or metal spraying or cladding laser surfaces in the reparation described in step S12.
Owing to adopting technique scheme, the present invention's mould Life cycle machining accuracy control method compared with prior art, has following beneficial effect:
1. can improve the mould accuracy of manufacture and in mould Life cycle internal control molding jig precision:
Because the present invention is in the Life cycle of mould, not only all carry out Measurement die surface data with measurement mechanism in each link of die manufacture, and these die surface data importing Point Cloud Processing software systems and mould three-dimensional CAD model are compared, to reach accurate control; And the present invention still uses measurement mechanism to obtain mould shape face data after die trial success, reflect successfully the shape face of mould and difference take exemplar as the mould shape face according to design by Point Cloud Processing software systems, for designer accumulates experience; In mould use procedure, still use measurement mechanism to obtain mould shape face data, by the mould shape face Data Comparison after Point Cloud Processing software systems and die trial success, draw the abrasion condition of mould shape face each several part, according to die surface case depth, can determine reasonably and repair a die the time, before hardened layer is worn out, repair a die, in the process that repairs a die, still use measurement mechanism to obtain mould shape face data, by the mould shape face Data Comparison after Point Cloud Processing software systems and die trial success, the reference that repaired a die, can reach accurate control.Therefore, the present invention can overall monitor size key point, avoid occurring that machined in mould manufacture and use procedure hits the weak point that cutter, dimension overproof, mold integral are scrapped, stopped production and repair a die, greatly improved the mould accuracy of manufacture, and can in mould Life cycle, accurately control mould and die accuracy.
2. can shorten mould manufacturing time:
Because the present invention is in the Life cycle of mould, each link is all carried out Measurement die surface data with measurement mechanism, and these die surface data are compared with corresponding model, to reach accurate control, therefore, can guarantee the dimensional accuracy of the each link in mould manufacture and use, avoid because not guaranteeing that precision increases die trial number of times, the mould delivery time is long, repeatedly fill die repair mould inefficiency, have a strong impact on the mould delivery time, mould lost efficacy and all weak points of shut-down etc., shorten mould manufacturing time, success rate and the production efficiency of mfg. moulding die are effectively improved.
3. applied widely:
The present invention is applicable to various moulds, and its scope of application is more extensive, is specially adapted to utilize metal blank directly to make the mould of covering.
Below, in conjunction with specification drawings and specific embodiments, the technical characterictic of the mould Life cycle machining accuracy control method to the present invention is further described.
Accompanying drawing explanation
Fig. 1: the flow chart of the present invention's mould Life cycle machining accuracy control method.
The specific embodiment
Embodiment mono-:
A kind of mould Life cycle machining accuracy control method, the method is a kind of method that the machining accuracy of mould Life cycle is controlled, described mould Life cycle comprises product exemplar measurement in kind, die manufacture, mould use procedure and mould repair process, based on accompanying drawing 1, the concrete steps of the method are described below:
S1. designing mould three-dimensional CAD model:
Adopting measurement mechanism---the product exemplar in kind that self-align hand-held non-contact three-dimensional laser scanner provides user scans, obtain product exemplar data in kind, by computer, product exemplar data importing in kind Point Cloud Processing software systems are converted to the virtual three-dimensional surface of product exemplar in kind, obtain digital-to-analogue A, set up three-dimensional CAD (abbreviation of Computer Aided Design, the is translated into CAD) model of product exemplar in kind according to digital-to-analogue A; Or user directly provides the three-dimensional CAD model of product exemplar in kind, use the three-dimensional CAD model of product exemplar in kind to design the mould three-dimensional CAD model of converted products;
S2. make Poly Foam model:
On the basis of mould three-dimensional CAD model, increase allowance and put shrinkage factor designing mould Casting Three-dimensional cad model, make Poly Foam model with reference to it;
S3. obtain Poly Foam model curved surface data:
Adopt self-align hand-held non-contact three-dimensional laser scanner to scan Poly Foam model, obtain Poly Foam model curved surface data;
S4. compare and judge that whether size is overproof with mould cast three-dimensional CAD model:
By computer, Poly Foam model curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue B, this digital-to-analogue B is compared with the mould cast three-dimensional CAD model of putting after shrinkage factor and allowance, if dimension overproof, after Poly Foam model being repaired, casting is arrived in circulation again, if size, in error range, is cast;
S5. obtain foundry goods curved surface data:
Adopt self-align hand-held non-contact three-dimensional laser scanner to scanning through the foundry goods of casting gained, obtain foundry goods curved surface data;
S6. compare and judge that whether size is overproof with mould three-dimensional CAD model:
By computer, foundry goods curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue C, this digital-to-analogue C and mould three-dimensional CAD model are compared, if dimension overproof needs repair or scrap; If size, in error range, is carried out machining;
S7. obtain machining curved surface data:
Adopt self-align hand-held non-contact three-dimensional laser scanner to scan the mould that completes machining, obtain machining curved surface data;
S8. compare and determine Working position and the machining dosage of pincers worker with mould three-dimensional CAD model:
By computer, machining curved surface data is imported to Point Cloud Processing software systems, raw forming face digital-to-analogue D, compares the shape face digital-to-analogue D and the mould three-dimensional CAD model that obtain, determines Working position and the machining dosage of pincers worker;
S9. obtain die curve data:
The die trial of after pincers worker completes, mould being carried out repeatedly repairs a die until product is qualified, adopts self-align hand-held non-contact three-dimensional laser scanner to scan the successful mould of die trial, obtains die curve data;
S10. compare and provide design experiences for Design of Dies personnel with mould three-dimensional CAD model:
By die curve data importing Point Cloud Processing software systems, generate die curve digital-to-analogue E by computer, die curve digital-to-analogue E and mould three-dimensional CAD model are compared, for Design of Dies, personnel provide design experiences;
S11. obtain actual use curved surface data:
After mould is delivered for use, regularly use self-align hand-held non-contact three-dimensional laser scanner to measure mould, obtain actual use curved surface data;
S12. with die curve digital-to-analogue E compare determine repair a die the time:
Use curved surface data to import Point Cloud Processing software systems reality by computer, generate mould shape face digital-to-analogue F, die curve digital-to-analogue E after the mould shape face digital-to-analogue F obtaining and die trial success is compared, according to die surface abrasion condition, determine and repair a die the time, before hardened layer is worn out, repair a die.
In step S12, die curve digital-to-analogue E after the machined of mould repair and pincers worker processing capacity are successful take die trial is as foundation, after reparation completes, use self-align hand-held non-contact three-dimensional laser scanner to scan the mould shape face of repairing, obtain mould shape face digital-to-analogue G, die curve digital-to-analogue E after the mould shape face digital-to-analogue G obtaining and die trial success is compared, and controlled working precision, to reduce the die trial number of times after repairing a die.
Built-up welding or metal spraying or cladding laser surfaces in the reparation described in step S12.
In above steps, the surface point data that described Point Cloud Processing software systems record for the treatment of measurement mechanism, remove after noise point, contrast with basic data, reflect surface point data and basic data deviate between the two; These Point Cloud Processing software systems are special reverse engineering software Geomagic Qualify.
As the one conversion of the present embodiment one, described measurement mechanism can also be non-contact measurement apparatus or other contact measuring apparatus such as joint arm contact type measurement machine or three-dimensional optical point measurement and face scanning device.
As another conversion of the present embodiment one, described Point Cloud Processing software systems can also be that RapidForm or ImageWare or conventional CAD software reverse engineer module are as CATIA HSM
tM, the special reverse engineering software such as PRO/E Scantools and UG PointCloud.
Claims (7)
1. a mould Life cycle machining accuracy control method, it is characterized in that: the method is a kind of method that the machining accuracy of mould Life cycle is controlled, described mould Life cycle comprises product exemplar measurement in kind, die manufacture, mould use procedure and mould repair process, and concrete steps are as follows:
S1. designing mould three-dimensional CAD model:
The product exemplar in kind that adopts measurement mechanism to provide user is measured, obtain product exemplar data in kind, by computer, product exemplar data importing in kind Point Cloud Processing software systems are converted to the virtual three-dimensional surface of product exemplar in kind, obtain digital-to-analogue A, set up the three-dimensional CAD model of product exemplar in kind according to digital-to-analogue A; Or user directly provides the three-dimensional CAD model of product exemplar in kind, use the three-dimensional CAD model of product exemplar in kind to design the mould three-dimensional CAD model of converted products;
S2. make Poly Foam model:
On the basis of mould three-dimensional CAD model, increase allowance and put shrinkage factor designing mould Casting Three-dimensional cad model, make Poly Foam model with reference to it;
S3. obtain Poly Foam model curved surface data:
Adopt measurement mechanism to measure Poly Foam model, obtain Poly Foam model curved surface data;
S4. compare and judge that whether size is overproof with mould cast three-dimensional CAD model:
By computer, Poly Foam model curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue B, this digital-to-analogue B and mould cast three-dimensional CAD model are compared, if dimension overproof, after Poly Foam model being repaired, casting is arrived in circulation again, if size, in error range, is cast;
S5. obtain foundry goods curved surface data:
Adopt measurement mechanism to measuring through the foundry goods of casting gained, obtain foundry goods curved surface data;
S6. compare and judge that whether size is overproof with mould three-dimensional CAD model:
By computer, foundry goods curved surface data is imported to Point Cloud Processing software systems, generate digital-to-analogue C, this digital-to-analogue C and mould three-dimensional CAD model are compared, if dimension overproof needs repair or scrap; If size, in error range, is carried out machining;
S7. obtain machining curved surface data:
Adopt measurement mechanism to measure the mould that completes machining, obtain machining curved surface data;
S8. compare and determine Working position and the machining dosage of pincers worker with mould three-dimensional CAD model:
By computer, machining curved surface data is imported to Point Cloud Processing software systems, raw forming face digital-to-analogue D, compares the shape face digital-to-analogue D and the mould three-dimensional CAD model that obtain, determines Working position and the machining dosage of pincers worker;
S9. obtain die curve data:
The die trial of after pincers worker completes, mould being carried out repeatedly repairs a die until product is qualified, adopts measurement mechanism to measure the successful mould of die trial, obtains die curve data;
S10. compare and provide design experiences for Design of Dies personnel with mould three-dimensional CAD model:
By die curve data importing Point Cloud Processing software systems, generate die curve digital-to-analogue E by computer, die curve digital-to-analogue E and mould three-dimensional CAD model are compared, for Design of Dies, personnel provide design experiences;
S11. obtain actual use curved surface data:
After mould is delivered for use, regularly use measurement mechanism to measure mould, obtain actual use curved surface data;
S12. with die curve digital-to-analogue E compare determine repair a die the time:
Use curved surface data to import Point Cloud Processing software systems reality by computer, generate mould shape face digital-to-analogue F, die curve digital-to-analogue E after the mould shape face digital-to-analogue F obtaining and die trial success is compared, according to die surface abrasion condition, determine and repair a die the time, before hardened layer is worn out, repair a die.
2. mould Life cycle machining accuracy control method according to claim 1, it is characterized in that: in described step S12, die curve digital-to-analogue E after the machined of mould repair and pincers worker processing capacity are successful take die trial is as foundation, after reparation completes, use measurement mechanism to measure the mould shape face of repairing, obtain mould shape face digital-to-analogue G, die curve digital-to-analogue E after the mould shape face digital-to-analogue G obtaining and die trial success is compared, with controlled working precision, reduce the die trial number of times after repairing a die.
3. mould Life cycle machining accuracy control method according to claim 1 and 2, is characterized in that: described measurement mechanism is for obtaining the surface point data of testee, and this measurement mechanism comprises contact measuring apparatus or non-contact measurement apparatus.
4. mould Life cycle machining accuracy control method according to claim 3, is characterized in that: described non-contact measurement apparatus comprises self-align hand-held non-contact three-dimensional laser scanner or three-dimensional optical point measurement and face scanning device.
5. mould Life cycle machining accuracy control method according to claim 1, it is characterized in that: described Point Cloud Processing software systems are for the treatment of a large amount of somes data that record, remove after noise point, contrast with basic data, reflect deviate between the two, this Point Cloud Processing software systems system comprises Geomagic Qualify or ImageWare or RapidForm reverse engineering software.
6. according to the mould Life cycle machining accuracy control method described in claim 1 or 2 or 4 or 5, it is characterized in that: be built-up welding or metal spraying or cladding laser surfaces in the reparation described in step S12.
7. mould Life cycle machining accuracy control method according to claim 3, is characterized in that: be built-up welding or metal spraying or cladding laser surfaces in the reparation described in step S12.
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| CN103341929B (en) * | 2013-06-27 | 2015-07-22 | 信义汽车玻璃(深圳)有限公司 | Method for manufacturing injection product model |
| CN104148891A (en) * | 2014-07-03 | 2014-11-19 | 重庆一名模型有限公司 | Automobile sample piece production process |
| CN104148514B (en) * | 2014-08-15 | 2016-06-29 | 上汽大众汽车有限公司 | The generation method and system of diel edge-trimming cutter block and flange cutter block |
| CN104647697A (en) * | 2015-01-27 | 2015-05-27 | 苏州汇众模塑有限公司 | Digital design technology for injection mold |
| CN105081106A (en) * | 2015-09-22 | 2015-11-25 | 佛山市金辉铝板幕墙有限公司 | Mold applied to molding of double curved surfaces of special-shaped metal plate and manufacturing method of mold |
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| CN108500571A (en) * | 2018-06-12 | 2018-09-07 | 昆山美仑工业样机有限公司 | A kind of automobile differential exemplar manufacture craft |
| CN112304243B (en) * | 2020-11-12 | 2022-11-15 | 北京机电研究所有限公司 | Contour detection device and detection method for plate stamping part |
| CN115069981A (en) * | 2022-06-30 | 2022-09-20 | 中国航发北京航空材料研究院 | Method for determining trimming modulus of casting mold |
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| KR100998890B1 (en) * | 2008-09-18 | 2010-12-08 | 주식회사 포스코 | Hot press forming die and mold design method thereof |
| JP5688253B2 (en) * | 2010-09-08 | 2015-03-25 | 株式会社オプトン | Mold correction method |
| CN102411641A (en) * | 2010-09-25 | 2012-04-11 | 集美大学 | Method for compensating rebounding error of automobile cover panel based on numerical simulation |
| CN102024081B (en) * | 2010-12-13 | 2012-12-26 | 四川省宜宾普什模具有限公司 | Automobile panel die design method |
| CN102169521B (en) * | 2011-04-25 | 2012-08-15 | 天津职业技术师范大学 | Design method for molded surface of automobile cover part die based on molded surface deformation compensation |
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