Method for manufacturing patching wax used for precision casting wax mould

A technology of precision casting and production methods, which is applied in the direction of casting molding equipment, etc., can solve the problems of high price, high hardness, and increased production costs, and achieve the effects of reducing production costs, good use effects, and low prices

Inactive Publication Date: 2010-02-03
山东燕山精密机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some also repair the rough surface of the wax model. The current repair method is: adopt repair wax imported from abroad to repair. The deficiency of this imported repair wax is: one is that the hardness of this repair wax is too large, and the use effect Not good; second, its hardness is not easy to adjust; third, it is expensive and increases production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Put 5kg of white petrolatum and 5kg of wax into the stainless steel heating container successively. Heating for 12 hours, then stop heating, after cooling, it is used to repair the surface of the elbow wax mold. The surface quality of the poured elbow casting meets the requirements of the user.

Embodiment 2

[0013] Put 6kg of white petrolatum and 4kg of wax into a stainless steel heating container successively. The stainless steel heating container is open and heated. During the heating process, keep stirring with a wooden stick. After the white petrolatum and wax become a liquid mixture, continue heating. After 11 hours, the heating is stopped, and after cooling, it is used to assemble the three-way wax mold braces and repair the surface of the three-way wax mold.

Embodiment 3

[0015] Put 7kg of white petrolatum and 3kg of wax into a stainless steel heating container successively. The stainless steel heating container is open and heated. During the heating process, keep stirring with a wooden stick until the white petrolatum and wax are turned into a liquid mixture, and then continue to Heating for 10 hours, then stop heating, after cooling, it is used to repair the surface of the impeller wax mold, and the surface quality of the cast impeller casting meets the user's requirements.

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PUM

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Abstract

The invention discloses a method for manufacturing patching wax used for precision casting wax mould, which is characterized in that the patching wax is manufactured by mixing and heating the following raw materials by weight percent: 50-70% of white vaseline and 30-50% of wax. By the method, not only the patching wax can effectively patch the rough flaws on the wax mould but also the rigidity ofthe patching wax can be adjusted according to the requirements; the patching wax is good in use effects and simultaneously low in price, and can reduce the production cost. Through detection, the casting cast by the wax mould patched by the patching wax manufactured by the invention has the roughness up to Ra 0.4-3.2mu m.

Description

technical field [0001] The invention relates to a method for making repair wax, in particular to a method for making repair wax for precision casting wax molds for repairing surface defects of precision casting wax molds or for assembling wax mold dental braces. technical background [0002] With the development and progress of society, precision castings have been widely used in all industrial sectors including aviation and weapons, especially electronics, petroleum, chemical, transportation, light industry, textiles, pharmaceuticals, medical equipment, pumps and valve parts . Investment casting is a casting process with little or no cutting, which produces castings with high dimensional accuracy, low surface roughness, high flexibility and strong adaptability, especially for parts with complex shapes. sex is more pronounced. In the process of investment casting, the manufacture of wax mold is an important link, and the surface quality of wax mold determines the surface q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02
Inventor 陈培敦赵星赵士锋刘祥银王爱霞房亮刘呈俊
Owner 山东燕山精密机械有限公司
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