What are the measures to improve the quality of mould manufacturing?
The following measures can be taken to improve mold manufacturing quality:
(1) improve the working parts of the mold parts processing precision mold parts geometry, such as radius, blade Angle of the slope, the mold processing shall be carried out strictly in accordance with the design requirements, the cutting tool or equipment cannot achieve, measured by manual grinding and strictly, to ensure that the mold reasonable stress state.Where there is a fitting size, it should ensure its tolerances or wear.
(2) reduce the cavity surface coarse mallet low degree of surface roughness on the one hand may reduce the flow resistance of billet, reduce the wear rate of cavity, on the other hand can reduce the surface defects (tool and machining welding spot, etc.) the tendency to crack.
(3) increase the uniformity of mold hardness in the process of heat treatment, ensure the uniformity of heating temperature and the consistency of cooling process, and prevent the surface oxidation and decarbonization.The quenching should be timely and fully tempered.
(4) to improve the precision of mold assembly, these measures mainly include the adjustment of the clearance volume and its uniformity, increase the contact of the bearing surface and the joint surface, and ensure the consistency of the center of the punch and the concave mold.