Die polishing method

A mold and rough polishing technology, applied in surface polishing machine tools, grinding/polishing equipment, manufacturing tools, etc., can solve the problems of poor polishing effect, high mold rework rate, affecting mold production efficiency, etc. The effect of high finish and excellent grinding effect

Inactive Publication Date: 2018-02-23
WUHE HUANGHUAI GRAIN & OIL MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, due to the limitation of the performance of polishing aids, the polishing effect is poor, and the rework rate of the mold after polishing is high, which seriously affects the production efficiency of the mold

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A mold polishing method, comprising the following steps:

[0017] (1) Roughly polish the formed mold with oil stone, and use lubricating coolant and oil stone for rough polishing, wherein the lubricating coolant is made of the following components in parts by weight: 1 part of dimethyl suberate, ethyl bromide 6 parts of ethylene glycol acetal, 20 parts of n-hexane;

[0018] (2) Attach the sandpaper to the wooden strip for grinding, and the wooden strip is at 50° to the surface of the mold;

[0019] (3) The polishing cloth wheel is mixed with abrasive paste for fine polishing, wherein the abrasive paste is made of the following components in parts by weight: 14 parts by weight of phosphoglyceric acid, 19 parts of methyl epoxyacetyl ricinoleate, 30 parts of cedar oil, silicon carbide 120 servings.

[0020] Specifically, the lubricating coolant in the above step (1) is made by the following method: after fully mixing dimethyl suberate and n-hexane, then adding bromoaceta...

Embodiment 2

[0024] A mold polishing method, comprising the following steps:

[0025] (1) Roughly polish the formed mold with oilstone, and use lubricating coolant and oilstone for rough polishing, wherein the lubricating coolant is made of the following components by weight: 2 parts of dimethyl suberate, ethyl bromide 8 parts of ethylene glycol acetal, 23 parts of n-hexane;

[0026] (2) Attach the sandpaper to the wooden strip for grinding, and the wooden strip is at 55° to the surface of the mold;

[0027] (3) The polishing cloth wheel is mixed with abrasive paste for fine polishing, wherein the abrasive paste is made of the following components by weight: 16 parts of phosphoglyceric acid, 22 parts of methyl epoxyacetyl ricinoleate, 33 parts of cedar oil, silicon carbide 125 copies.

[0028] Specifically, the lubricating coolant in the above step (1) is made by the following method: after fully mixing dimethyl suberate and n-hexane, then adding bromoacetaldehyde ethylene glycol acetal ...

Embodiment 3

[0032] A mold polishing method, comprising the following steps:

[0033] (1) Roughly polish the formed mold with oil stone, and use lubricating coolant and oil stone for rough polishing, wherein the lubricating coolant is made of the following components in parts by weight: 3 parts of dimethyl suberate, ethyl bromide 9 parts of ethylene glycol acetal, 25 parts of n-hexane;

[0034] (2) Attach the sandpaper to the wooden strip for grinding, and the wooden strip is at 60° to the surface of the mold;

[0035] (3) The polishing cloth wheel is mixed with abrasive paste for fine polishing, wherein the abrasive paste is made of the following components by weight: 23 parts of phosphoglyceric acid, 26 parts of methyl epoxyacetyl ricinoleate, 35 parts of cedar oil, silicon carbide 135 copies.

[0036] Specifically, the lubricating coolant in the above step (1) is made by the following method: after fully mixing dimethyl suberate and n-hexane, then adding bromoacetaldehyde ethylene gly...

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PUM

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Abstract

The invention discloses a die polishing method. The die polishing method comprises the following operation steps that (1) a molded die is subjected to coarse polishing through oilstone, and a lubrication coolant and the oilstone cooperate to achieve coarse polishing; (2) abrasive paper is attached to a batten to conduct polishing, and the angle formed between the batten and the surface of the dieis 50 degrees to 60 degrees; and (3) cloth finishing mop mixed grinding paste is used for conducting elaborate polishing. The die polishing method is simple in operation, the polished die is high in gloss finish, the surface is free of scratch, and the finished product rate is high.

Description

technical field [0001] The invention belongs to the technical field of mold surface polishing, and in particular relates to a mold polishing method. Background technique [0002] The mold is a tool that makes the blank into a workpiece with a specific shape and size under the action of external force. Widely used in blanking, die forging, cold heading, extrusion, powder metallurgy parts pressing, pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or inner cavity shape, and the application of the contour shape with cutting edges can separate the blank according to the contour line shape, and the application of the inner cavity shape can make the blank obtain a corresponding three-dimensional shape. After the mold is made, it needs to be polished. The mold polishing has two purposes; one is to increase the smoothness of the mold, so that the surface of the molded product ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B29/02B24B1/00
CPCB24B1/00B24B29/02
Inventor 武献东
Owner WUHE HUANGHUAI GRAIN & OIL MACHINERY CO LTD
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