CN103464504A - Production method of cold pressing mold - Google Patents
Production method of cold pressing mold Download PDFInfo
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- CN103464504A CN103464504A CN 201310437266 CN201310437266A CN103464504A CN 103464504 A CN103464504 A CN 103464504A CN 201310437266 CN201310437266 CN 201310437266 CN 201310437266 A CN201310437266 A CN 201310437266A CN 103464504 A CN103464504 A CN 103464504A
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Abstract
The invention discloses a production method of a cold pressing mold. The production method of the cold pressing mold comprises the steps of preparing materials, namely selecting raw materials for producing the cold pressing mold; forging the selected raw materials; carrying out isothermal annealing, and controlling the hardness to be 210-242HB in annealing; cutting so as to enable the cold pressing mold to conform to the design dimension; quenching and tempering stably; and grinding, processing and polishing. According to the production method of the cold pressing mold, which is provided by the invention, the process is simple and controllable, and the impact resistant force of the cold pressing mold is effectively enhanced through a multi-stage production processes of selecting materials, quenching, grinding and the like.
Description
Technical field
The present invention relates to mould manufacturing technology field, relate in particular to a kind of production method of cold stamping die.
Background technology
Mould is a kind of special process equipment, is the basis of modernization industry development, and the development of many industries all be unable to do without the support of die industry.The kind of mould is a lot, as cold-punching mould, Mold for Plastics, forge mould, powder metallurgy mould etc.Cold extruding die is a kind of in cold-punching mould, be a kind of advanced person less or without one of cutting technology.It at normal temperatures, be solid-state metal under immense pressure and certain speed, produce by die cavity a kind of processing method that plastic deformation obtains the definite shape part.Because mould will bear larger impulsive force in the cold stamping process, therefore, it cracking or damage usually occur.
Therefore, be necessary to provide a kind of production method of cold stamping die.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production method of cold stamping die for above-mentioned deficiency of the prior art exactly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of production method of production method of cold stamping die, it comprises the steps:
Get the raw materials ready, the raw material of producing cold stamping die are selected;
Forge, the raw material of selecting are carried out to conducting forging processing;
Isothermal annealing, the hardness while controlling annealing is 210-242HB;
Cutting, make cold stamping die meet design size;
Quenching and tempering is stable to be processed;
Grinding polishing.
As a further improvement on the present invention, described isothermal annealing is isothermal spheroidizing.
As a further improvement on the present invention, described cutting comprises car, plain grinding, clamps, mills.
As a further improvement on the present invention, described quenching is carried out in oily medium, and to keep the case hardness of mould material while quenching be 60-63HRC.
As a further improvement on the present invention, described quenching is placed in vacuum drying oven by the mould material and carries out.
As a further improvement on the present invention, described grinding utilizes emery wheel to carry out grinding in cooling fluid.
As a further improvement on the present invention, the stable temperature of processing of described tempering is 265-310 ℃.
As a further improvement on the present invention, the processing mode of grinding and polishing is taked in described polishing.
Compared with prior art, the invention has the beneficial effects as follows: the production method technique of cold stamping die of the present invention is simply controlled, and it has improved the impact resistance of cold stamping die effectively by multistage production technologies such as selection, quenching, grindings.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Figure 1 shows that the schematic flow sheet of a specific embodiment of the production method of cold stamping die of the present invention.
The specific embodiment
The technical solution adopted for the present invention to solve the technical problems is: a kind of production method of production method of cold stamping die, it comprises the steps:
Get the raw materials ready, the raw material of producing cold stamping die are selected;
Forge, the raw material of selecting are carried out to conducting forging processing;
Isothermal annealing, the hardness while controlling annealing is 210-242HB;
Cutting, make cold stamping die meet design size;
Quenching and tempering is stable to be processed;
Grinding polishing.
Preferably, described isothermal annealing is isothermal spheroidizing.
Preferably, described cutting comprises car, plain grinding, clamps, mills.
Preferably, described quenching is carried out in oily medium, and to keep the case hardness of mould material while quenching be 60-63HRC.
Preferably, described quenching is placed in vacuum drying oven by the mould material and carries out.
Preferably, described grinding utilizes emery wheel to carry out grinding in cooling fluid.
Preferably, the stable temperature of processing of described tempering is 265-310 ℃.
Preferably, the processing mode of grinding and polishing is taked in described polishing.
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all should belong to the scope of the application's protection.
Shown in ginseng Fig. 1, the schematic flow sheet of a specific embodiment of the production method that Fig. 1 is cold stamping die of the present invention.
The production method of cold stamping die of the present invention comprises:
Get the raw materials ready, the raw material of producing cold stamping die are selected.
Forge, the raw material of selecting are carried out to conducting forging processing.During forging, according to different materials and requirement, work out and carry out preheating and multistage forging.After forging, it is cooling that Hai Ying puts into dry pulverized limestone, in case cooling velocity is too fast.
Isothermal annealing, the hardness while controlling annealing is 210-242HB.Wherein, isothermal annealing is specially isothermal spheroidizing, its objective is reduction hardness, improves processing characteristics, and thinning microstructure reduces workpiece deformation and cracking, and not final heat treatment lays the first stone.
Cutting, make cold stamping die meet design size.Wherein, cutting specifically comprises car, plain grinding, clamps, mills.
Quenching and tempering is stable to be processed.Wherein, during quenching, the mould material is placed in to vacuum drying oven, and carries out in oily medium.Keeping the case hardness of mould material during quenching is 60-63HRC.So, there is the better effect of the decarburization of preventing and oxidation effectiveness.Temperature during the stable processing of tempering is 265-310 ℃.
Grinding polishing.Preferably, described grinding utilizes emery wheel to carry out grinding in cooling fluid.During grinding, keep cooling fluid abundant, and timely trimming wheel, keep it sharp.Preferably, the processing mode of grinding and polishing is taked in described polishing.
In sum, compared with prior art, the invention has the beneficial effects as follows: the production method technique of cold stamping die of the present invention is simply controlled, and it has improved the impact resistance of cold stamping die effectively by multistage production technologies such as selection, quenching, grindings.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that do not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limit related claim.
In addition, be to be understood that, although this specification is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can, through suitably closing, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. the production method of a cold stamping die, is characterized in that, described production method comprises the steps:
Get the raw materials ready, the raw material of producing cold stamping die are selected;
Forge, the raw material of selecting are carried out to conducting forging processing;
Isothermal annealing, the hardness while controlling annealing is 210-242HB;
Cutting, make cold stamping die meet design size;
Quenching and tempering is stable to be processed;
Grinding polishing.
2. the production method of cold stamping die according to claim 1, is characterized in that, described isothermal annealing is isothermal spheroidizing.
3. the production method of cold stamping die according to claim 1, is characterized in that, described cutting comprises car, plain grinding, clamps, mills.
4. the production method of cold stamping die according to claim 1, is characterized in that, described quenching is carried out in oily medium, and to keep the case hardness of mould material while quenching be 60-63HRC.
5. the production method of cold stamping die according to claim 1, is characterized in that, described quenching is placed in vacuum drying oven by the mould material and carries out.
6. the production method of cold stamping die according to claim 1, is characterized in that, described grinding utilizes emery wheel to carry out grinding in cooling fluid.
7. the production method of cold stamping die according to claim 1, is characterized in that, the stable temperature of processing of described tempering is 265-310 ℃.
8. the production method of cold stamping die according to claim 1, is characterized in that, the processing mode of grinding and polishing is taked in described polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310437266 CN103464504A (en) | 2013-09-24 | 2013-09-24 | Production method of cold pressing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310437266 CN103464504A (en) | 2013-09-24 | 2013-09-24 | Production method of cold pressing mold |
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| CN103464504A true CN103464504A (en) | 2013-12-25 |
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| CN 201310437266 Pending CN103464504A (en) | 2013-09-24 | 2013-09-24 | Production method of cold pressing mold |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028978A (en) * | 2014-06-23 | 2014-09-10 | 无锡市崇安区科技创业服务中心 | Method for machining anti-impact rings |
| CN104475551A (en) * | 2014-10-24 | 2015-04-01 | 江苏法尔胜材料分析测试有限公司 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
| CN105081109A (en) * | 2015-09-01 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Production method for cold pressing molds |
| CN109648265A (en) * | 2018-12-27 | 2019-04-19 | 四川艾格瑞特模具科技股份有限公司 | A kind of method of highly-efficient processing production precision machinery |
| CN110863182A (en) * | 2019-11-12 | 2020-03-06 | 东风商用车有限公司 | Method for strengthening surface coating of gear cold extrusion die |
| CN111872294A (en) * | 2020-07-14 | 2020-11-03 | 山东能源重装集团金源机械有限公司 | Method for improving forging processing quality of petroleum elevator |
-
2013
- 2013-09-24 CN CN 201310437266 patent/CN103464504A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028978A (en) * | 2014-06-23 | 2014-09-10 | 无锡市崇安区科技创业服务中心 | Method for machining anti-impact rings |
| CN104475551A (en) * | 2014-10-24 | 2015-04-01 | 江苏法尔胜材料分析测试有限公司 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
| CN104475551B (en) * | 2014-10-24 | 2017-01-18 | 江苏法尔胜材料分析测试有限公司 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
| CN105081109A (en) * | 2015-09-01 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Production method for cold pressing molds |
| CN109648265A (en) * | 2018-12-27 | 2019-04-19 | 四川艾格瑞特模具科技股份有限公司 | A kind of method of highly-efficient processing production precision machinery |
| CN110863182A (en) * | 2019-11-12 | 2020-03-06 | 东风商用车有限公司 | Method for strengthening surface coating of gear cold extrusion die |
| CN111872294A (en) * | 2020-07-14 | 2020-11-03 | 山东能源重装集团金源机械有限公司 | Method for improving forging processing quality of petroleum elevator |
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Application publication date: 20131225 |