Cold mold casting method of rubber

A rubber mold and rubber technology, applied in the direction of casting molding equipment, casting molds, casting mold components, etc., can solve the problems of cumbersome production steps and insufficient precision of ordinary casting technology, and achieve the effect of reducing production costs and improving production efficiency

Inactive Publication Date: 2015-04-29
QINGDAO WUYANG CASTING MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The precision of ordinary casting technology is not enough, the castings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0018] The rubber chill casting method of the present embodiment comprises the following steps:

[0019] (1) First use the LOM method to make a master mold with the same shape as the casting;

[0020] (2) Use the master mold to take a rubber model. The material of the rubber mold is silicone rubber, pour it into the master mold, and after a certain period of curing, the rubber mold is formed;

[0021] (3) Clamp the rubber mold tightly, then pour water into the rubber mold and freeze to form an ice mold;

[0022] (4) Take out the ice mold from the rubber mold, and immerse it in the ethyl silicon slurry several times to form a shell shape with a certain coating thickness on the surface;

[0023] (5) Dry and harden the shell type below 0°C. When the shell mold is completely hardened, the shell mold with the ice mold inside can be placed at a room temperature above 0°C to melt and remove the ice mold;

[0024] (6) Carry out shell-shaped high-temperature roasting to improve its ...

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PUM

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Abstract

The invention discloses a cold mold casting method of rubber. The cold mold casting method is a novel technique which is completely different from the conventional casting technique. The casting cost of the cold mold casting method is reduced by 35-50% when being compared with that of lost wax casting and lost foam casting, so that cast parts of which the cost is equivalent to that of ordinary sand casting and the quality can completely meet the requirements of precise casting can be produced through cold mold casting. Metals which can be applied to cold mold casting at present are gray cast iron, spheroidal graphite cast iron, cast steel, aluminum alloy, copper alloy and the like.

Description

[0001] technical field [0002] The invention belongs to the technical field of casting, and in particular relates to a rubber cold mold casting method. [0003] Background technique [0004] With the rapid development of casting technology and the continuous improvement of the requirements for mechanical properties and dimensional accuracy of castings, the demand for how to obtain near-net-shape castings is becoming more and more intense. The precision of ordinary casting technology is not enough, the castings made need subsequent processing, and the production steps are cumbersome. [0005] Contents of the invention [0006] In order to overcome the above-mentioned technical problems existing in the prior art, the object of the present invention is to provide a rubber cold mold casting method, the rubber mold can be reused many times. [0007] The rubber chill casting method provided by the invention comprises the following steps: [0008] (1) First, a master mol...

Claims

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Application Information

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IPC IPC(8): B22C7/02B22C9/04
CPCB22C7/02B22C9/04
Inventor 于永健
Owner QINGDAO WUYANG CASTING MACHINE
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