CN103465417A - Anti-wear method for plastic mould - Google Patents
Anti-wear method for plastic mould Download PDFInfo
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- CN103465417A CN103465417A CN2013104065706A CN201310406570A CN103465417A CN 103465417 A CN103465417 A CN 103465417A CN 2013104065706 A CN2013104065706 A CN 2013104065706A CN 201310406570 A CN201310406570 A CN 201310406570A CN 103465417 A CN103465417 A CN 103465417A
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Abstract
The invention discloses an anti-wear method for a plastic mould. The method comprises the following steps of firstly nitriding a newly made mould at low temperate, then vacuumizing, and preparing a high hardness high-wear resistant coating on the surface of the washed mould through a TD (thermal diffusion) coating process, wherein the high hardness high-wear resistant coating improves the resistances to deformation and wear and crack of the mould. The anti-wear method has the advantages of low cost, simple technologies, and strong resistances to deformation and wear, can effectively shorten the wear-out period of the plastic mould, has very strong practicability and greatly lowers the replacement cost of the plastic moulds.
Description
Technical field
The present invention relates to field of machining, especially a kind of anti-wear processing method of plastic mould.
Background technology
In the process of machining, the use of various moulds is absolutely necessary.The mould kind is a lot, according to processing object and processing technology, can be divided into: the mould of the mould of processing metal, machining of non-metallic and powder metallurgy.Can be divided into hardware dies, plastic mould and other special dies according to itself material.
Mould because load, punching press, frequency of utilization in use is too high, the wearing and tearing that reason is easy to produce various degree such as improper use, service time be long, become that circle, plane sink, surperficial groove mark, peel off the problem such as mucous membrane such as the passivation of sword door, corner angle, the frequent replacing of mould can cause the significantly rising of production cost, if can on source, solve the wear problem of mould, just can effectively prevent or reduce the wear-out period of mould before mould is used, real be a kind of method effectively reduced costs.
Therefore, need a kind of new technical scheme to address the above problem.
Summary of the invention
Goal of the invention: the problem produced in order to solve prior art, the invention provides a kind for the treatment of process simple, with low cost, effectively reduce the anti-wear processing method of a kind of plastic mould in impaired cycle of plastic mould.
Technical scheme: for achieving the above object, the present invention can adopt following technical scheme: a kind of anti-wear processing method of plastic mould comprises the following steps:
(1) newly formed mould is put into to processor, carry out the low temperature nitrogen treatment, treatment temperature is 300～360 ℃, and the processing time is 30～40min, carries out being cooled to room temperature after application of vacuum 30～40min after being cooled to 220～260 ℃;
(2) cooled mould is processed with die cleaning agent, removed the assorted stain on surface;
(3) form the high-hardness, wearable coating by the TD coating processes at die surface, in described high-hardness, wearable coating, the mass percent of each element is titanium 20%～35%, boron 8%～15%, molybdenum 8%～15%, silicon 8%～11%, zirconium 5%～10%, chromium 8%～12%, carbon dust 18%～25%.
Further, in described step (1) temperature to be increased to the climbing speed of 300～360 ℃ be 1～3 ℃/min.
Further, in described step (1) temperature to be reduced to the fall off rate of 220～260 ℃ be 3～5 ℃/min.
More preferred, in described step (3), the high-hardness, wearable coating layer thickness is 0.8～5.0mm.
Beneficial effect: the anti-wear processing method of a kind of plastic mould disclosed in this invention, at first carry out the low temperature nitrogen treatment by the mould to newly formed, carry out again application of vacuum, then the mould cleaned is formed to the high-hardness, wearable coating by the TD coating processes at die surface, the cracking resistance line ability thereby the resistance to deformation that has strengthened mould resistance to wears, it is low that processing method of the present invention has a cost, technique is simple, the advantage that the resistance to deformation antiwear property is strong, can effectively reduce the wear-out period of plastic mould, there is very strong practicality, greatly reduce the plastic mould replacement cost.
The specific embodiment
Below in conjunction with the specific embodiment, further illustrate the present invention, should understand the following specific embodiment only is not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Embodiment 1:
A kind of anti-wear processing method of plastic mould comprises the following steps:
(1) newly formed mould is put into to processor, carry out the low temperature nitrogen treatment, treatment temperature is 300 ℃, and the processing time is 40min, carries out being cooled to room temperature after application of vacuum 40min after being cooled to 220 ℃; Wherein to be increased to the climbing speed of 300 ℃ be 1 ℃/min to temperature, and it is 3 ℃/min that temperature is reduced to the fall off rate of 220 ℃;
(2) cooled mould is processed with die cleaning agent, removed the assorted stain on surface;
(3) form the high-hardness, wearable coating by the TD coating processes at die surface, in described high-hardness, wearable coating, the mass percent of each element is titanium 35%, boron 15%, molybdenum 8%, silicon 8%, zirconium 5%, chromium 8%, carbon dust 23%, and wherein the high-hardness, wearable coating layer thickness is 0.8mm.
Embodiment 2:
A kind of anti-wear processing method of plastic mould comprises the following steps:
(1) newly formed mould is put into to processor, carry out the low temperature nitrogen treatment, treatment temperature is 360 ℃, and the processing time is 30min, carries out being cooled to room temperature after application of vacuum 30min after being cooled to 260 ℃; Wherein to be increased to the climbing speed of 360 ℃ be 3 ℃/min to temperature, and it is 5 ℃/min that temperature is reduced to the fall off rate of 260 ℃;
(2) cooled mould is processed with die cleaning agent, removed the assorted stain on surface;
(3) form the high-hardness, wearable coating by the TD coating processes at die surface, in described high-hardness, wearable coating, the mass percent of each element is titanium 20%, boron 8%, molybdenum 15%, silicon 11%, zirconium 10%, chromium 12%, carbon dust 24%, and wherein the high-hardness, wearable coating layer thickness is 5.0mm.
Embodiment 3:
A kind of anti-wear processing method of plastic mould comprises the following steps:
(1) newly formed mould is put into to processor, carry out the low temperature nitrogen treatment, treatment temperature is 330 ℃, and the processing time is 35min, carries out being cooled to room temperature after application of vacuum 35min after being cooled to 240 ℃; Wherein to be increased to the climbing speed of 330 ℃ be 2 ℃/min to temperature, and it is 4 ℃/min that temperature is reduced to the fall off rate of 240 ℃;
(2) cooled mould is processed with die cleaning agent, removed the assorted stain on surface;
(3) form the high-hardness, wearable coating by the TD coating processes at die surface, in described high-hardness, wearable coating, the mass percent of each element is titanium 30%, boron 13%, molybdenum 13%, silicon 10%, zirconium 8%, chromium 8%, carbon dust 18%, and wherein the high-hardness, wearable coating layer thickness is 2.8mm.
Claims (4)
1. the anti-wear processing method of a plastic mould is characterized in that comprising the following steps:
(1) newly formed mould is put into to processor, carry out the low temperature nitrogen treatment, treatment temperature is 300～360 ℃, and the processing time is 30～40min, carries out being cooled to room temperature after application of vacuum 30～40min after being cooled to 220～260 ℃;
(2) cooled mould is processed with die cleaning agent, removed the assorted stain on surface;
(3) form the high-hardness, wearable coating by the TD coating processes at die surface, in described high-hardness, wearable coating, the mass percent of each element is titanium 20%～35%, boron 8%～15%, molybdenum 8%～15%, silicon 8%～11%, zirconium 5%～10%, chromium 8%～12%, carbon dust 18%～25%.
2. the anti-wear processing method of a kind of plastic mould according to claim 1 is characterized in that: in described step (1), to be increased to the climbing speed of 300～360 ℃ be 1～3 ℃/min to temperature.
3. the anti-wear processing method of a kind of plastic mould according to claim 1 is characterized in that: in described step (1), to be reduced to the fall off rate of 220～260 ℃ be 3～5 ℃/min to temperature.
4. the anti-wear processing method of a kind of plastic mould according to claim 1 is characterized in that: in described step (3), the high-hardness, wearable coating layer thickness is 0.8～5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104065706A CN103465417A (en) | 2013-09-09 | 2013-09-09 | Anti-wear method for plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104065706A CN103465417A (en) | 2013-09-09 | 2013-09-09 | Anti-wear method for plastic mould |
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| CN103465417A true CN103465417A (en) | 2013-12-25 |
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| CN2013104065706A Pending CN103465417A (en) | 2013-09-09 | 2013-09-09 | Anti-wear method for plastic mould |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0267358A (en) * | 1988-09-01 | 1990-03-07 | Otsuka Chem Co Ltd | Thermoplastic resin composition |
| US5028251A (en) * | 1987-09-02 | 1991-07-02 | Schott Glaswerke | Molds for manufacturing molded glass-articles for precision-optical purposes |
| EP0696648A1 (en) * | 1994-08-12 | 1996-02-14 | Mitsubishi Jukogyo Kabushiki Kaisha | Corrugating roll and manufacturing method thereof |
| US5728475A (en) * | 1996-08-23 | 1998-03-17 | Alliedsignal Inc. | Method for making parts usable in a fuel environment |
| JP2000256825A (en) * | 1999-03-04 | 2000-09-19 | Murata Boring Giken Kk | Sliding member for zinc-aluminum hot-dip bath |
| CN101743335A (en) * | 2008-01-10 | 2010-06-16 | 株式会社神户制钢所 | Cold-work die steel and cold stamping mould |
| CN102534532A (en) * | 2012-01-19 | 2012-07-04 | 浙江汇锦梯尔镀层科技有限公司 | Steel part and surface compounding processing method thereof |
-
2013
- 2013-09-09 CN CN2013104065706A patent/CN103465417A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028251A (en) * | 1987-09-02 | 1991-07-02 | Schott Glaswerke | Molds for manufacturing molded glass-articles for precision-optical purposes |
| JPH0267358A (en) * | 1988-09-01 | 1990-03-07 | Otsuka Chem Co Ltd | Thermoplastic resin composition |
| EP0696648A1 (en) * | 1994-08-12 | 1996-02-14 | Mitsubishi Jukogyo Kabushiki Kaisha | Corrugating roll and manufacturing method thereof |
| US5728475A (en) * | 1996-08-23 | 1998-03-17 | Alliedsignal Inc. | Method for making parts usable in a fuel environment |
| JP2000256825A (en) * | 1999-03-04 | 2000-09-19 | Murata Boring Giken Kk | Sliding member for zinc-aluminum hot-dip bath |
| CN101743335A (en) * | 2008-01-10 | 2010-06-16 | 株式会社神户制钢所 | Cold-work die steel and cold stamping mould |
| CN102534532A (en) * | 2012-01-19 | 2012-07-04 | 浙江汇锦梯尔镀层科技有限公司 | Steel part and surface compounding processing method thereof |
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Application publication date: 20131225 |