CN104551579A - Injection mold manufacturing method based on CAD/CAE/CAM and products - Google Patents
Injection mold manufacturing method based on CAD/CAE/CAM and products Download PDFInfo
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- CN104551579A CN104551579A CN201410840193.1A CN201410840193A CN104551579A CN 104551579 A CN104551579 A CN 104551579A CN 201410840193 A CN201410840193 A CN 201410840193A CN 104551579 A CN104551579 A CN 104551579A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an injection mold manufacturing method based on CAD/CAE/CAM. The method includes the steps of a, designing a mold, to be more specific, using three-dimensional software to build 3D models of the structural parts of the mold, and manufacturing the general assembly drawing of the mold; b, manufacturing the engineering drawing of each part and setting a mold tolerance standard; c, manufacturing the injection mold, to be more specific, CAM tool path programming and importing a CNC manufacturing process, an EEM manufacturing process, a WEEM manufacturing process and a grinding process; d, soaking the mold in special plant oil for more than 24 hours; e, detecting the mold. The method has the advantages that a mold prototype drawing CAD design link can avoid problems in actual machining according to graphic simulation analysis, overall mold design is further optimized, and subsequent processes can be implemented reliably; due to the fact that the mold is soaked in the plant oil for more than 24 hours, the precision of the mold can be increased evidently, the service life of the mold is prolonged evidently, and the yield of injection molding products is increased evidently.
Description
Technical field
The present invention relates to digitlization Mould design and manufacturing technology, be specifically related to a kind of injection mold manufacture method based on CAD/CAE/CAM and goods.
Background technology
Injection mold is a kind of instrument producing plasthetics; Also be the instrument giving plasthetics complete structure and accurate dimension.Its application have to be extensive.
Injection mold is generally made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.When injection moulding, dynamic model and cover half close and form running gate system and die cavity, and during die sinking, dynamic model is separated to take out plastic products with cover half.
Although the structure of mould may be ever-changing because plastics variety and performance, the shape of plastic products and the type of structure and injector etc. are different, basic structure is consistent.Mould forms primarily of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and forming part are direct contact portion with plastics, and change with plastics and goods, are the most complicated in mold, change maximum, require processing fineness and the highest part of precision.
Running gate system refers to that plastics enter the runner section before die cavity from nozzle, comprises sprue, cold slug well, runner and cast gate etc.Forming part refers to the various parts forming article shape, comprises dynamic model, cover half and die cavity, core, curved lever and exhaust outlet etc.
Traditional injection mold manufacture method is comparatively simple, in design, manufacture, testing process, precision is lower, rotten appearance may be had, cause cutter cutter lifting, affect machining accuracy, do not set up a complete systematized technological process in addition, cause after mold cavity machines, inevitably, need to spend great effort and time die trial and amendment product parameters and die parameters repeatedly, the effect of zero FIT mould cannot be reached fast.
In addition, the mould of existing method processing and process, surface property can not meet the demands completely, affects quality and the mold use life-span of injecting products.
Therefore, study a kind of injection mold manufacture method based on CAD/CAE/CAM and mould product, just become comparatively urgent.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of injection mold manufacture method based on CAD/CAE/CAM, solves the deficiencies in the prior art.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
Based on an injection mold manufacture method of CAD/CAE/CAM, comprise following processing step:
A. Design of Dies, adopts three-dimensional software to do 3E modeling to each constitutional detail of mould, and makes mould general assembly drawing;
B. make the engineering drawing of each part and formulate mould tolerance standard;
C. injection mold manufacture, the programming of CAM cutter track also imports CNC manufacturing process, EEM manufacturing process, WEEM manufacturing process and grinding process;
E. mould detects;
It is characterized in that, in rapid a, be designed to single empty avoiding face without sealing face, Xie Du≤4 ° of stripping surface, mating surface R angle empty avoiding distance >4mm,
In step b, flange hole tolerance is+0.11mm, and hot mouth location hole tolerance is+0.04mm, hot flow path location hole tolerance is+0.02mm, pin hole tolerance is+0.01mm, and thimble hole tolerance is+0.01mm, and all pin hole tolerances are+0.010mm, position of related features is ± 0.01mm, in step c, the Tong Xin Du≤0.002mm of CNC process tool and main shaft, the soffit plane Du≤0.005mm of plain cutter, accurately machined test measuring device adopts accuracy to be 0.001mm
In step e, make detection reference consistent with machining benchmark, set up complete detection coordinates system and get a measurement, and 2.00mm gets a little outside sealing position, each tested surface at least gets 4 points, sealing position needs inside and outside detection two points more than the face of more than 20mm, and detect glue position standard and adopt positive and negative tolerance, sealing position tolerance is pressed build-up tolerance and selected unilateral tolerance.
Further: in step c, CAM cutter track Roughing and fine machining all adopts climb cutting cutter track, and straight flange adopts inserts the processing of milling cutter road, and Criterion step pitch.
Further: in step c, according to cutter track feed time and feed distance, calculate the tool wear time, set up the time standard of tool changing and inspection cutter.
Further: in step c, the spark position of sealing position reality is detected according to the model actual parameter of board and is drawn, all electrodes adopt unified datum readings, detect and correct board precision before Linear cut fine finishining, detect metal wire, utilize current compensation error.
Further: in step c, formulate the fineness standard that different emery wheel model is corresponding, grinding dimensional accuracy will ask≤0.01mm, first reserved 0.05mm allowance, and detect after size through amesdial, reprocessing is to number.
Further: the special plant oil in steps d is according to weight ratio rapeseed oil: tung oil: castor oil=2:1:1 obtained formula vegetable oil.
Further: also to comprise the mould after by immersion in steps d and heat 10 to 20 minutes.
Further: the warm temperature in steps d is 250 degree to 350 degree.
Also steps d is comprised: soaked more than 24 hours in special plant oil oil by mould before described step e.
A kind ofly adopt the described injection mold prepared based on CAD/CAE/CAM method.
The invention has the beneficial effects as follows:
(1) mould prototype figure CAD design link, can evade produced problem in actual processing according to the sunykatuib analysis of figure, thus optimizes the design of mold integral further, ensures that subsequent technique is reliably implemented;
(2) mould tolerance, establishes unified tolerance standard, achieves the design of die size tolerance standardization, is convenient to the standardized management in die design process.
(3) CAM cutter track technological design, according to mould prototype figure, the processing cutter track technique of reliable design, and establish the time standard of suitable magazine knife-selecting standard and tool changing and inspection cutter, technique in actual process is more optimized, meanwhile, ensure that cutter is in optimum Working all the time;
(4) numerical control processing technology, take a series of optimum detection technological measure, ensure that numerical control device is in optimum state all the time, ensure machine tool accuracy, formulate selection process measure, ensure that the accuracy of accessory size, formulate tool sharpening time wearing and tearing standard, ensure the reliability of tool sharpening further;
(5) electric spark and wire cutting technology, formulate reliable lathe characterization processes and ensure that machine tool accuracy, simultaneously detect the actual spark position adding man-hour according to the model actual parameter of lathe and establish reasonably processing connect along and clear footmark accurate, and press sizing material classification of type, optimize processing technology, meanwhile, ensure that the precision of accessory size;
(6) grinding machine processing technology, formulates the fineness standard that different emery wheel model is corresponding, can according to be processed smoothness requirements, select suitable emery wheel model, ensure the fineness of machined surface, meanwhile, decrease the damage of emery wheel;
(7) characterization processes, adopts a series of advantageous measure to decrease metrical error to greatest extent, ensures the high reliability of Detection job, thus examines feasibility and the correctness of above-mentioned process implementing further;
(8) mould high temperature in special plant oil oil soaks more than 24 hours, can significantly improve die surface performance, thus improve the raising of the product percent of pass of injection moulding, extend the mold use life-span.
Below in conjunction with specific embodiment, the present invention is described in more detail.
Detailed description of the invention
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Injection mold manufacture method based on CAD/CAE/CAM provided by the invention, it comprises following processing step:
A. Design of Dies, adopts three-dimensional software to do 3E modeling to each constitutional detail of mould, and makes mould general assembly drawing; Single empty avoiding face is designed to, Xie Du≤4 ° of stripping surface, mating surface R angle empty avoiding distance >4mm without sealing face,
B. make the engineering drawing of each part and formulate mould tolerance standard; Flange hole tolerance is+0.11mm, and hot mouth location hole tolerance is+0.04mm, and hot flow path location hole tolerance is+0.02mm, pin hole tolerance is+0.01mm, and thimble hole tolerance is+0.01mm, and all pin hole tolerances are+0.010mm, position of related features is ± 0.01mm
C. injection mold manufacture, the programming of CAM cutter track also imports CNC manufacturing process, EEM manufacturing process, WEEM manufacturing process and grinding process; The Tong Xin Du≤0.002mm of CNC process tool and main shaft, the soffit plane Du≤0.005mm of plain cutter, accurately machined test measuring device adopts accuracy to be 0.001mm,
D. surface treatment: mould is soaked more than 24 hours in special plant oil oil;
E. mould detects: make detection reference consistent with machining benchmark, set up complete detection coordinates system and get a measurement, and 2.00mm gets a little outside sealing position, each tested surface at least gets 4 points, sealing position needs inside and outside detection two points more than the face of more than 20mm, detect glue position standard and adopt positive and negative tolerance, sealing position tolerance is pressed build-up tolerance and is selected unilateral tolerance.
Further: in step c, CAM cutter track Roughing and fine machining all adopts climb cutting cutter track, and straight flange adopts inserts the processing of milling cutter road, and Criterion step pitch.
Further: in step c, according to cutter track feed time and feed distance, calculate the tool wear time, set up the time standard of tool changing and inspection cutter.
Further: in step c, the spark position of sealing position reality is detected according to the model actual parameter of board and is drawn, all electrodes adopt unified datum readings, detect and correct board precision before Linear cut fine finishining, detect metal wire, utilize current compensation error.
Further: in step c, formulate the fineness standard that different emery wheel model is corresponding, grinding dimensional accuracy will ask≤0.01mm, first reserved 0.05mm allowance, and detect after size through amesdial, reprocessing is to number.
Further: the special plant oil in steps d is according to weight ratio rapeseed oil: tung oil: castor oil=2:1:1 obtained formula vegetable oil, it has good permeability, be applicable to carrying out die surface process, improve the fineness of die surface, prevent from injection moulding process, occur surperficial defective products, and extend the mold use life-span.
Further: also to comprise the mould after by immersion in steps d and heat 10 to 20 minutes.
Further: the warm temperature in steps d is 350 degree to 500 degree.
Injection mold manufacture method based on CAD/CAE/CAM provided by the invention is scientific and reasonable, and design and analysis, manufacture, detection, post processing each operation precision are high, can avoid the appearance of rotten, and avoids the situation that causes cutter cutter lifting, affect machining accuracy.
In addition, the present invention establishes a complete systematized technological process of CAD/CAE/CAM, after mold cavity machines, do not need to spend great effort and time die trial and amendment product parameters and die parameters repeatedly, directly can reach the effect of zero FIT mould, a large amount of time and materials costs can be saved.
Method provided by the invention, the mould of processing and process, surface property can meet the demands completely, significantly can provide quality and the mold use life-span of injecting products.
Be only preferred embodiment of the present invention described in upper, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1., based on an injection mold manufacture method of CAD/CAE/CAM, comprise following processing step:
A. Design of Dies, adopts three-dimensional software to do 3E modeling to each constitutional detail of mould, and makes mould general assembly drawing;
B. make the engineering drawing of each part and formulate mould tolerance standard;
C. injection mold manufacture, the programming of CAM cutter track also imports CNC manufacturing process, EEM manufacturing process, WEEM manufacturing process and grinding process;
E. mould detects;
It is characterized in that,
In step a, single empty avoiding face will be designed to without sealing face, Xie Du≤4 ° of stripping surface, mating surface R angle empty avoiding distance >4mm;
In step b, flange hole tolerance is+0.11mm, and hot mouth location hole tolerance is+0.04mm, hot flow path location hole tolerance is+0.02mm, and pin hole tolerance is+0.01mm, and thimble hole tolerance is+0.01mm, all pin hole tolerances are+0.010mm, and position of related features is ± 0.01mm
In step c, the Tong Xin Du≤0.002mm of CNC process tool and main shaft, the soffit plane Du≤0.005mm of plain cutter, accurately machined test measuring device adopts accuracy to be 0.001mm;
In step e, make detection reference consistent with machining benchmark, set up complete detection coordinates system and get a measurement, and 2.00mm gets a little outside sealing position, each tested surface at least gets 4 points, sealing position needs inside and outside detection two points more than the face of more than 20mm, and detect glue position standard and adopt positive and negative tolerance, sealing position tolerance is pressed build-up tolerance and selected unilateral tolerance.
2. the injection mold manufacture method based on CAD/CAE/CAM according to claim 1, is characterized in that, before step e, also comprise steps d: soaked more than 24 hours in special plant oil oil by mould.
3. the injection mold manufacture method based on CAD/CAE/CAM according to claim 1, is characterized in that, in step c, CAM cutter track Roughing and fine machining all adopts climb cutting cutter track, and straight flange adopts inserts the processing of milling cutter road, and Criterion step pitch.
4. the injection mold manufacture method based on CAD/CAE/CAM according to claim 1, is characterized in that, in step c, according to cutter track feed time and feed distance, calculates the tool wear time, sets up the time standard of tool changing and inspection cutter.
5. the injection mold manufacture method based on CAD/CAE/CAM according to claim 1, it is characterized in that, in step c, the spark position of sealing position reality is detected according to the model actual parameter of board and is drawn, all electrodes adopt unified datum readings, detect and correct board precision before Linear cut fine finishining, detecting metal wire, utilize current compensation error.
6. the injection mold manufacture method based on CAD/CAE/CAM according to claim 1, it is characterized in that, in step c, formulate the fineness standard that different emery wheel model is corresponding, grinding dimensional accuracy Yaos Qiu≤0.01mm, first reserved 0.05mm allowance, detect after size through amesdial, reprocessing is to number.
7. the injection mold manufacture method based on CAD/CAE/CAM according to claim 2, is characterized in that, the special plant oil in steps d is according to weight ratio rapeseed oil: tung oil: castor oil=2:1:1 obtained formula botanical garden.
8. according to claim 7 based on the injection mold manufacture method of CAD/CAE/CAM, it is characterized in that, also comprise the mould after by immersion in steps d and heat 10 to 20 minutes.
9. the injection mold manufacture method based on CAD/CAE/CAM according to claim 8, is characterized in that, the warm temperature in steps d is 250 degree to 350 degree.
10. adopt the injection mold prepared based on CAD/CAE/CAM method that one of claim 1 ~ 9 is described.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599177A (en) * | 2015-12-30 | 2016-05-25 | 苏州乔布注塑工业有限公司 | Manufacturing method of temperature control injection mold |
| CN106141583A (en) * | 2016-07-20 | 2016-11-23 | 南通容润汽车配件有限公司 | A kind of preparation method of lightweight scissor-like jack |
| CN106180804A (en) * | 2015-05-04 | 2016-12-07 | 麦格纳技术与模具系统（天津）有限公司 | Metal surpasses high-strength plate thermoforming Cooling Holes processing technique |
| CN106239835A (en) * | 2016-08-12 | 2016-12-21 | 东江模具（深圳）有限公司 | The bright finish mold insert of a kind of injection mold and manufacture method thereof |
| CN107175479A (en) * | 2017-06-28 | 2017-09-19 | 苏州艾酷玛赫设备制造有限公司 | Injection mold manufacture method |
| CN108058300A (en) * | 2017-12-11 | 2018-05-22 | 深圳市华益盛模具股份有限公司 | A kind of manufacturing method of injection mold |
| CN109676834A (en) * | 2018-12-05 | 2019-04-26 | 青岛再特模具有限公司 | A kind of improvement technique of automobile moulding processing |
| CN110065197A (en) * | 2018-01-23 | 2019-07-30 | 河北盛世金井塑业有限公司 | A kind of production method of 1200mm high density composite water meter valve pit |
| CN111086132A (en) * | 2019-12-30 | 2020-05-01 | 天津银宝山新科技有限公司 | Plastic grid pre-deformation mold design method |
| CN112000063A (en) * | 2020-07-22 | 2020-11-27 | 吉林省齐智科技有限公司 | Die layered corner cleaning numerical control machining system and technological method thereof |
| CN112775727A (en) * | 2021-02-01 | 2021-05-11 | 杭州戴里文化创意有限公司 | Method for manufacturing bottle blank mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180804A (en) * | 2015-05-04 | 2016-12-07 | 麦格纳技术与模具系统（天津）有限公司 | Metal surpasses high-strength plate thermoforming Cooling Holes processing technique |
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| CN110065197A (en) * | 2018-01-23 | 2019-07-30 | 河北盛世金井塑业有限公司 | A kind of production method of 1200mm high density composite water meter valve pit |
| CN109676834A (en) * | 2018-12-05 | 2019-04-26 | 青岛再特模具有限公司 | A kind of improvement technique of automobile moulding processing |
| CN111086132A (en) * | 2019-12-30 | 2020-05-01 | 天津银宝山新科技有限公司 | Plastic grid pre-deformation mold design method |
| CN111086132B (en) * | 2019-12-30 | 2022-04-12 | 天津银宝山新科技有限公司 | Plastic grid pre-deformation mold design method |
| CN112000063A (en) * | 2020-07-22 | 2020-11-27 | 吉林省齐智科技有限公司 | Die layered corner cleaning numerical control machining system and technological method thereof |
| CN112000063B (en) * | 2020-07-22 | 2021-07-06 | 吉林省齐智科技有限公司 | Die layered corner cleaning numerical control machining system and technological method thereof |
| CN112775727A (en) * | 2021-02-01 | 2021-05-11 | 杭州戴里文化创意有限公司 | Method for manufacturing bottle blank mold |
| CN112775727B (en) * | 2021-02-01 | 2022-03-08 | 广州伍星塑料制品有限责任公司 | Method for manufacturing bottle blank mold |
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Application publication date: 20150429 |