Factors Affecting The Quality of Low-pressure Casting

It is well known that the processing system of low pressure casting will affect the entire operation process, so what are the factors that affect this low pressure casting? Let's take a brief look at it together.

Reasonable low-pressure die design can dredge the filling channel during forging process, and a good and rapid sequence condensation effect occurs, which can realize the condensation from the distal end to the riser in order to prevent the occurrence of forging defects and improve the output power and efficiency. Generally, the mold preheating temperature is suitable to reach 400 ~ 450 ℃. If the mold temperature is too low or too high, it will damage the reasonable temperature field of the mold, which will make the casting difficult to form or the qualification rate is low. And the coating on the mold surface is resistant to thermal shock. The variety, size and thickness of the spray coating on the mold surface will directly affect the casting function.

  In the production of low-pressure casting, the quality of castings must be checked and inspected. First of all, it is necessary to formulate the rules and technical conditions for the process from raw materials, auxiliary materials to the control and inspection of each specific product. Each process is strictly controlled and inspected according to the rules and technical conditions of the process. Then check the quality of the finished castings.

It should be said that the factors affecting low-pressure casting are various. In addition to the processing of these materials, it also includes, for example, equipment, operator's construction methods, etc., but these factors will also affect the casting quality more or less.