Method for manufacturing patching wax used for precision casting wax mould

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...