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A kind of high temperature mold lubricating particle and preparation method thereof

A particle and mold technology, applied in the field of mold lubricating particles and its preparation, can solve problems affecting high-speed stamping precision, easy to block, and strict structural requirements, so as to improve lubrication effect, improve film forming ductility, and reduce surface tension Effect

Active Publication Date: 2018-05-25
盐城捷恒仓储有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relatively fast stamping speed of the high-speed stamping die, there is mutual friction between the punch and the unloading insert, the processed material, and between the processed material and the knife edge, resulting in wear of various parts, which not only affects the precision of high-speed stamping, but also shortens the Increased service life of high-speed stamping dies
[0003] At present, the method of lubricating the mold with lubricating oil has strict requirements on the structure of the mold, and the mold needs to be designed with a precise oil groove, which makes the mold processing more difficult and prone to blockage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A lubricating granule for a high-temperature mold, prepared from the following raw materials in parts by mass:

[0023] 100 parts of PE; 100 parts of nano-calcium carbonate; 10 parts of EBS dispersant; 2 parts of zinc stearate; 12 parts of propylene glycol methyl ether acetate; Copper 0.1 part.

[0024] The preparation method of high-temperature mold lubricating particles is to heat PE to 200°C to melt, add tert-amyl peroxyketal and cuprous chloride, stir and mix, deeply melt PE and the mixture in a plasma reactor, and bombard with high-energy particles Continue for 10-20 minutes, then let it stand for 10-20 minutes to balance; then add nano-calcium carbonate, EBS dispersant, zinc stearate, propylene glycol methyl ether acetate and fluorochloric acid, stir at 160-220°C for 25-40 minutes to obtain white The melt is evenly mixed, and finally the melt is sprayed and granulated to obtain high-temperature mold lubricating granules.

[0025] Furthermore, the particle diamet...

Embodiment 2

[0028] A lubricating granule for a high-temperature mold, prepared from the following raw materials in parts by mass:

[0029] 100 parts of PE; 80 parts of nano-calcium carbonate; 10 parts of EBS dispersant; 2 parts of zinc stearate; 10 parts of propylene glycol methyl ether acetate; 0.5 parts of hydrofluoric acid and NaF; 0.2 parts of ferric chloride.

[0030] The preparation method of high-temperature mold lubricating particles is to heat PE to 200°C to melt, add tert-amyl peroxyketal and ferric chloride, stir and mix, deeply melt PE and the mixture in a plasma reactor, and continue bombardment with high-energy particles 10-20min, then let it stand for 10-20min to balance; then add nano-calcium carbonate, EBS dispersant, zinc stearate, propylene glycol methyl ether acetate, hydrochloric acid and NaF, and stir at 160-220°C for 25-40min to obtain The white color is uniformly mixed with the melt, and finally the melt is sprayed and granulated to obtain high-temperature mold lu...

Embodiment 3

[0034] A lubricating granule for a high-temperature mold, prepared from the following raw materials in parts by mass:

[0035] 100 parts of PE; 100 parts of nano calcium carbonate; 5 parts of EBS dispersant; 4 parts of zinc stearate; 8 parts of propylene glycol methyl ether acetate; SbF3 and XeF 2 0.5 parts in total; 0.2 parts of tert-amyl peroxy ketal; 0.1 parts of ferric chloride.

[0036] The preparation method of high-temperature mold lubricating particles is to heat PE to 200°C to melt, add tert-amyl peroxyketal and ferric chloride, stir and mix, deeply melt PE and the mixture in a plasma reactor, and continue bombardment with high-energy particles 10-20min, then let it stand for 10-20min to balance; then add nano-calcium carbonate, EBS dispersant, zinc stearate, propylene glycol methyl ether acetate, hydrochloric acid and NaF, and stir at 160-220°C for 25-40min to obtain The white color is uniformly mixed with the melt, and finally the melt is sprayed and granulated to ...

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Abstract

The invention relates to a high-temperature mould lubricating particle, which is prepared from the following raw materials (by weight): 100 parts of PE, 80-100 parts of nano-calcium carbonate, 5-10 parts of an EBS dispersant, 2-4 parts of zinc stearate, 8-16 parts of propylene glycol methyl ether acetate, 0-0.5 part of a fluoride reagent, 0.1-0.2 part of tertiary pentyl peroxy ketal and 0.1-0.2 part of cuprous chloride or iron chloride. According to the application method of the lubricating particle, during die casting of moulds, the lubricating particle is injected into a mould cavity, the lubricating particle is heated in the high-temperature mould cavity to be fused, and then a lubricating film is formed on the surface of the mould. The lubricating film raises smoothness of the inner wall of the mould and is convenient for demoulding operation.

Description

technical field [0001] The invention belongs to the technical field of mold lubrication, and in particular relates to a mold lubrication particle and a preparation method thereof. Background technique [0002] Stamping die is an indispensable process equipment for stamping production, and it is a technology-intensive product. The quality, production efficiency and production cost of the processed parts are directly related to the design and preparation of stamping dies. Due to the relatively fast stamping speed of the high-speed stamping die, there is mutual friction between the punch and the unloading insert, the processed material, and between the processed material and the knife edge, resulting in wear of various parts, which not only affects the precision of high-speed stamping, but also shortens the Increased the service life of high-speed stamping dies. [0003] At present, the method of lubricating the mold with lubricating oil has strict requirements on the structu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10M171/06C10N40/24C10N40/36
CPCC10M125/10C10M125/18C10M129/22C10M129/40C10M129/74C10M169/045C10M171/06C10N2040/24C10N2040/36
Inventor 胡国川
Owner 盐城捷恒仓储有限公司
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