Die-casting is a kind of pressure-casting parts. It is a pressure-casting mechanical die-casting machine equipped with a casting mold. The metal such as copper, zinc, aluminum or aluminum alloy heated to a liquid state is poured into the feeding port of the die-casting machine. Die casting, casting copper, zinc, aluminum parts or aluminum alloy parts of the shape and size limited by the mold, such parts are often called die casting parts.
Because metal copper, zinc, aluminum and aluminum alloys have good fluidity and plasticity, and the casting process is cast in a pressure die-casting machine, aluminum die-casting parts can be made into various complex shapes, and can also be made into high precision and finish, which greatly reduces the machining amount of castings and the casting allowance of metal copper, zinc, aluminum or aluminum alloys, not only saves electricity, metal materials, but also greatly saves labor costs; Copper, zinc, aluminum and aluminum alloys have excellent thermal conductivity, small specific gravity and high machinability; thus die casting parts are widely used in automobile manufacturing, internal combustion engine production, motorcycle manufacturing, motor manufacturing, oil pump manufacturing, and transmission machinery manufacturing, precision instruments, landscaping, power construction, architectural decoration and other industries.
Precision die casting parts can be manufactured as auto parts, auto engine pipe fittings, air conditioning parts, gasoline engine cylinder heads, valve rocker arms, valve supports, power parts, motor end caps, housings, pump housings, building parts, decorative parts, guardrail parts, gears and other parts, with the continuous improvement of the development level of the manufacturing equipment industry, the equipment level of die-casting machines has also been significantly improved, the types of parts that can be manufactured are also constantly expanding, and the precision and complexity of die-casting parts have also been improved. We believe that in the near future, die casting parts will better serve our production and life.
The control of the surface temperature of the die-casting mold is very important for the production of high-quality die-casting parts. Uneven or inappropriate mold temperature can also lead to unstable casting dimensions, and deformation of the casting during the production process, resulting in defects such as thermal stress, mold sticking, surface depressions, internal shrinkage cavities, and thermal bubbles. When the mold temperature difference is large, the variables in the production cycle, such as filling time, cooling time and spraying time, have different degrees of influence.