Metal component casting process

Abstract

The invention discloses a metal component casting process, which comprises the following steps: (1) manufacturing a mold sample, (2) manufacturing a silica gel outer mold, (3) manufacturing a wax mold, (4) molding, and (5) carrying out casting, shaking-out and finishing, wherein the molding process adopts combination of a lost-wax precision casting process, a plaster mold casting process and a self-hardening resin sand mold casting process to carry out modification grafting on a casting mold system so as to successfully develop a metal component casting process. Results of process performance tests, technical analysis and production applications of the new process show that the new casting method has the following characteristics that a casting surface is fine, casting quality is good, a specification size is large, flatness is good, cost is low, a production cycle is short, molding is rapid, collapsibility is good, the material can be subjected to dry regeneration and recovery utilization, pollution is less, energy sources are saved, and the bottleneck of metal component casting is solved. In addition, the process of the present invention is applicable for molding of various alloy castings.

Description

technical field

[0001] The invention belongs to the technical field of casting technology, and in particular relates to a metal component casting technology. Background technique

[0002] Casting process is one of the basic processes of modern machinery manufacturing industry. Metal component casting is to smelt metal into liquid metal that meets certain requirements, and pour it into the casting cavity to obtain predetermined shape, size and performance after cooling, solidification and cleaning. casting process. Commonly used casting techniques in the prior art include resin sand casting, lost wax precision casting, plaster casting and the like. The disadvantage of resin sand casting is that it is rough, the shape is not vivid, and complex shapes cannot be made; the shape of lost wax precision casting is delicate, and complex shapes can be completed, but its process is complex, costly, and takes a long time, and it can only make small products. It cannot be made into a l...