The secret about the quality of lost foam castings

The quality of lost foam casting has a great impact on the performance of industrial equipment and machinery. For example, the corrosion resistance and specification stability of machining center castings will immediately affect the accuracy retention period of machining centers; the inner cavity specifications, profile accuracy, and surface roughness of fan impellers, casings, and construction machinery accessories of various pumps Coupling casting manufacturers cast steel parts and small objects will immediately affect the working efficiency, energy consumption, and cavitation development trend of pumps and hydraulic transmission systems; gas turbine engine oil pans and cylinder heads of high-quality gray cast iron manufacturers; The strength and shock resistance of castings, cylinder liners, pistons, exhaust valves, and other castings will directly affect the service life of the engine.

The process of Ductile Iron Lost Foam Investment Casting Dipper Lip is one of the key factors that endanger the quality of castings. When making a design plan, the manufacturer of mechanical equipment castings must not only establish the graphics, specifications, and dimensions of the castings according to the working conditions and the properties of the metal materials, but also consider the characteristics of the cast aluminum alloy profiles and the casting process and fully consider the design. The rationality of the scheme, that is, the obvious specification effects and problems such as solidification, shrinkage, and thermal stress, so as to avoid or reduce the casting defects, deformation, cracks, and other defects of the casting composition.

casting raw material quality problems. Manufacturers of high-quality aluminum alloy die-casting parts do not meet the standards and specifications of metal resmelting waste, refractory insulation materials, fuels, saturated solutions, modifiers, foundry sand, molding sand binders, industrial coatings, and other raw materials, which will cause castings to be damaged. In the more serious process, defects such as air outlet holes, pinholes, welding scars, welding tumors, etc. will damage the casting. Fourth, in the process of processing technology operation, scientific and standardized processing technology operation procedures should be formulated to improve the technical level of employees and ensure the effective implementation of process regulations. In the casting production and processing with Leixing industrial equipment, try to control and check the quality of the castings.