CN102303223A - Process flow for machining lower punching die - Google Patents
Process flow for machining lower punching die Download PDFInfo
- Publication number
- CN102303223A CN102303223A CN201110253626A CN201110253626A CN102303223A CN 102303223 A CN102303223 A CN 102303223A CN 201110253626 A CN201110253626 A CN 201110253626A CN 201110253626 A CN201110253626 A CN 201110253626A CN 102303223 A CN102303223 A CN 102303223A
- Authority
- CN
- China
- Prior art keywords
- mould
- requirement
- line cutting
- punch die
- processing
- Prior art date
Links
- 238000000034 methods Methods 0.000 title claims abstract description 43
- 238000003754 machining Methods 0.000 title abstract description 9
- 238000004080 punching Methods 0.000 title abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 21
- 238000010892 electric spark Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910000822 Cold-work tool steel Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound 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[Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 230000003628 erosive Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 claims 1
- 239000002699 waste materials Substances 0.000 abstract description 3
- 210000001772 Blood Platelets Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
Abstract
Description
Technical field
The present invention relates to a kind of mould, particularly relate to a kind of processing process of punch die tool down.
Background technology
Existing mold production process is generally following: car → mill mark → numerical control marking → brill → heat treatment → roughly grind → be careful silk; Line cutting → electric spark → silk → the electric spark of being careful → bedding-in; The leading portion operation has car respectively, bores, mills and grinds, back segment operation electric spark, numerical control is milled and soon, slow line cutting, grinding etc.After accomplishing complicated curved surface and aperture operation, the depth of parallelism of face shape requires to reach 10 ~ 5 μ m, and the required precision of aperture is controlled to be 1 ~ 5 μ m, to guarantee the quality of mould.At used drift material is the high chromium cold work tool steel of SLD high abrasion; When heat treatment is main with application of vacuum; To some mould; Such as the mould that once dashes under three on the flange type one; Wall ratio is thinner in the platelet position for conventional structure, in line cutting processing because of the influence that is subjected to the stress effect has the phenomenon of distortion through regular meeting, thereby cause die deformation to be scrapped; Have a strong impact on the efficient of production, also cause the waste of resource.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention proposes a kind of down punch die tool processing process, in process, keep a technique head, to avoid or to alleviate the distortion of drift in process in the relatively thinner platelet position of mold wall thickness.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of punch die tool processing process down, it comprises following processing step:
1) blanking: the high chromium cold work tool steel of the high abrasion blank of selecting to be of a size of ф 100*147mm is processed;
2) turner preface: blank is carried out the turner preface; Process the profile of mould by drawing; And at mould ф 80*5 place outer wall to remain with thickness be that 3 ~ 4mm, width are the technique head of 2 ~ 5mm; The ф 80*5 place of following punch die tool is the thin platelet place of wall thickness, keeps technique head and can prevent effectively that platelet is in the following manufacturing procedure and deform;
3) line: adopt scoring tool underlining Working position and shape on mould by drawing;
4) boring: adopted drilling machine on mould, to leave fabrication hole by the underlining in a last step;
5) heat treatment: mould is heat-treated, make the hardness of mould reach Rockwell hardness 57-59;
6) line cutting roughing: the requirement with reference to drawing is carried out line cutting roughing to mould, and the monolateral allowance for finish that stays 0.5 ± 0.10mm prevents that mould is out of shape because of machining stress is excessive;
7) spark machined; Requirement with reference to drawing is carried out spark machined to mould; Erosion removes the allowance that a last operation stays; Through spark machined the size of drawing requirement is arrived in mould roughing, and significantly reduce the stress of process, reduce the distortion of mould and the situation of damage;
8) line cutting fine finishining: mould is carried out line cutting fine finishining, following punch die tool accurately is worked into the concrete size of design drawing requirement;
9) turner preface: the following punch die tool to after the line cutting fine finishining carries out the turner preface, and the technique head of reserving is removed;
10) mill: the size that each surfacing of mould of accomplishing cutting is arrived drawing requirement;
11) electric spark: the size that arrives drawing requirement through the end face each several part of spark machined mold and punching head;
12) grind: grind on the surface to mould, and the roughness that makes die surface is accomplished processing less than 0.1mm.
The invention has the beneficial effects as follows: the following punch die tool that adopts this technological process to process; Owing in the turner preface of beginning, kept technique head; The thin platelet position of wall thickness is in the process of following process has avoided moderate finite deformation; And the concentricity that can make the mould that processes be controlled at less than 0.015mm among a small circle in; Improved the machining accuracy of mould greatly, avoided mould in process, to scrap the wasting phenomenon that causes because of distortion.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the mould structure sketch map that the present invention keeps technique head.
The specific embodiment
With reference to Fig. 1, the invention discloses a kind of punch die tool processing process down, adopt the step of wherein a kind of punch die tool down of technological process processing of the present invention following: 1) blanking: the SLD tool steel blank of selecting to be of a size of ф 100*147 is processed; 2) turner preface: blank is carried out the turner preface; Process the profile of mould 1 by drawing, keep technique head 11 at ф 80*5 place by technological requirement, wherein the thickness of technique head 11 is 3 ~ 4mm; Width is 2 ~ 5mm, and technological parameter processing on the design drawing is pressed in all the other places; 3) line: underlining Working position and shape on mould 1 by drawing; 4) boring: by drawing and each fabrication hole of mould 1 processing technology requirement processing; 5) heat treatment: mould 1 is heat-treated; 6) line cutting roughing: the requirement with reference to drawing is carried out line cutting roughing, the monolateral allowance for finish that stays 0.5+0.10 to mould 1 and two Xia Chong cooperation places; 7) spark machined: mould 1 is carried out spark machined, and erosion removes the allowance that a last operation is reserved; 8) line cutting fine finishining: mould 1 is carried out line cutting fine finishining, mould 1 accurately is worked into the concrete size of design drawing requirement; 9) turner preface: the mould 1 to after the line cutting fine finishining carries out the turner preface, and the technique head of reserving 11 is removed; 10) mill: will accomplish the size of mould 1 each surfacing of cutting to drawing requirement; 11) electric spark: the size that arrives drawing requirement through the end face each several part of electrical spark working tool and mould 1 drift; 12) grind: grind on the surface to mould 1, and the roughness that makes mould 1 surface is accomplished processing less than 0.1mm.
The following punch die tool that adopts this technological process to process; Owing in the turner preface of beginning, kept technique head 11; The thin platelet position of mould 1 wall thickness is in the process of following process has avoided moderate finite deformation; And the concentricity that can make the mould 1 that processes be controlled at less than 0.015mm among a small circle in; Improved the machining accuracy of mould 1 greatly, avoided mould 1 in process, to scrap the wasting phenomenon that causes because of distortion.
The above only is a preferential embodiment of the present invention, as long as realize that with basic identical means the technical scheme of the object of the invention all belongs within protection scope of the present invention.
Claims (2)
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| CN 201110253626 CN102303223B (en) | 2011-08-31 | 2011-08-31 | Process flow for machining lower punching die |
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| CN 201110253626 CN102303223B (en) | 2011-08-31 | 2011-08-31 | Process flow for machining lower punching die |
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| CN102303223A true CN102303223A (en) | 2012-01-04 |
| CN102303223B CN102303223B (en) | 2013-04-10 |
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| CN103537554A (en) * | 2013-10-25 | 2014-01-29 | 昆山精创模具有限公司 | Automobile parts stamping used male die and processing method thereof |
| CN103624169A (en) * | 2013-12-13 | 2014-03-12 | 吉林博仁科技股份有限公司 | Process for manufacturing stamping die and process for producing pedal bracket thereof |
| CN104985059A (en) * | 2015-04-27 | 2015-10-21 | 奉化市松德瑞精密机械制造有限公司 | Production process for pallet |
| CN105013949A (en) * | 2015-07-17 | 2015-11-04 | 广东东睦新材料有限公司 | Two-lower punching die and manufacturing method thereof |
| CN106078127A (en) * | 2016-05-16 | 2016-11-09 | 苏州博豪精密机械有限公司 | A kind of mould circle enters the processing technique of son |
| CN106077275A (en) * | 2015-12-25 | 2016-11-09 | 广东东睦新材料有限公司 | A kind of upper punch mould and processing technology thereof |
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| CN106424384A (en) * | 2016-09-23 | 2017-02-22 | 安徽成飞集成瑞鹄汽车模具有限公司 | Manufacturing method for square part inserts |
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| CN106808172A (en) * | 2017-02-15 | 2017-06-09 | 苏州明和行新材料科技有限公司 | A kind of preparation method of titanium alloy component hot forming tool |
| CN107030458A (en) * | 2017-06-02 | 2017-08-11 | 苏州市零点精密模具有限公司 | A kind of processing method of shearing die |
| CN110405414A (en) * | 2019-07-04 | 2019-11-05 | 厦门捷昕精密科技股份有限公司 | Solve tubular configured joint die joint flash mold processing technology |
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Cited By (19)
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| CN103537554A (en) * | 2013-10-25 | 2014-01-29 | 昆山精创模具有限公司 | Automobile parts stamping used male die and processing method thereof |
| CN103624169B (en) * | 2013-12-13 | 2016-06-15 | 吉林博仁科技股份有限公司 | A kind of technique of Production of Stamping Die pedal support |
| CN103624169A (en) * | 2013-12-13 | 2014-03-12 | 吉林博仁科技股份有限公司 | Process for manufacturing stamping die and process for producing pedal bracket thereof |
| CN104985059A (en) * | 2015-04-27 | 2015-10-21 | 奉化市松德瑞精密机械制造有限公司 | Production process for pallet |
| CN105013949B (en) * | 2015-07-17 | 2017-05-10 | 广东东睦新材料有限公司 | Two-lower punching die and manufacturing method thereof |
| CN105013949A (en) * | 2015-07-17 | 2015-11-04 | 广东东睦新材料有限公司 | Two-lower punching die and manufacturing method thereof |
| CN106077275A (en) * | 2015-12-25 | 2016-11-09 | 广东东睦新材料有限公司 | A kind of upper punch mould and processing technology thereof |
| CN106078127A (en) * | 2016-05-16 | 2016-11-09 | 苏州博豪精密机械有限公司 | A kind of mould circle enters the processing technique of son |
| CN106180244B (en) * | 2016-07-20 | 2017-12-19 | 东莞市东联铝业有限公司 | A kind of Aluminum extrusion product processes of high-precision surface |
| CN106180244A (en) * | 2016-07-20 | 2016-12-07 | 东莞市东联铝业有限公司 | A kind of Aluminum extrusion product processes of high-precision surface |
| CN106239074A (en) * | 2016-09-13 | 2016-12-21 | 汕头天阳模具有限公司 | A kind of processing technique of tire-mold side plate |
| CN106239074B (en) * | 2016-09-13 | 2017-07-14 | 汕头天阳模具有限公司 | A kind of processing technology of tire-mold side plate |
| CN106424384B (en) * | 2016-09-23 | 2019-02-12 | 安徽成飞集成瑞鹄汽车模具有限公司 | The production method of spare part insert |
| CN106424384A (en) * | 2016-09-23 | 2017-02-22 | 安徽成飞集成瑞鹄汽车模具有限公司 | Manufacturing method for square part inserts |
| CN106624627A (en) * | 2016-11-21 | 2017-05-10 | 歌尔股份有限公司 | Blanking tool for cutting screen cloth product and manufacturing method thereof |
| CN106808172A (en) * | 2017-02-15 | 2017-06-09 | 苏州明和行新材料科技有限公司 | A kind of preparation method of titanium alloy component hot forming tool |
| CN107030458A (en) * | 2017-06-02 | 2017-08-11 | 苏州市零点精密模具有限公司 | A kind of processing method of shearing die |
| CN110405414A (en) * | 2019-07-04 | 2019-11-05 | 厦门捷昕精密科技股份有限公司 | Solve tubular configured joint die joint flash mold processing technology |
| CN110666469A (en) * | 2019-10-14 | 2020-01-10 | 苏州尖腾精密技术有限公司 | Production process of high-precision die |
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