low pressure die casting converting to high pressure die casting
Low pressure die casting and high pressure die casting are two distinguishing casting processes. The low pressure die casting applies the casting force in contrast direction of gravity, so as to achieve very fine density. It can be said that low pressure die casting have the finest density and least porosity trouble among common aluminum casting processes like sand casting, gravity casting and high pressure die casting.
Parison die casting has cooperated with several low pressure die casting foundries around Ningbo and Taizhou area. We are willing and ready to accept low pressure die casting or coversion projects.
Aluminum low pressure die casting technique database
Surface treatment: aluminum low pressure die casting parts are suited to electroplating, powder coating, electrophoresis, painting, polishing and black hard anodizing.
Heat treatment: Heat treatment is available for aluminum low pressure die casting parts. And low pressure die cast products are always processed bt T5 and T6 heat treatment to improve its inner crystal. While high pressure die cast parts can't be heat treated.
Feasible concaved features: aluminum low pressure die casting process can also apply sand cores for concaved features, which is not available for high pressure die casting.
Notes of converting to high pressure die casting part
Reduction of mechanical property: Aluminum low pressure die casting has the higher density among common aluminum castings like gravity casting, sand casting, and hihg pressure die casting, therefore its inner porosity is also under the best control. Furthermore aluminum low pressure die casting can still apply heat treatment like T5 and T6 to reinforce its inner crystal. Before we convert aluminum low pressure die casting to high pressure die casting parts, the reduction of mechanical property should be considered carefully.
Necessary design adaptation: Those concaved features of high pressure casting obtained by sand core partially can be achieved by slide block in hihg pressure die casting process,but generally are infeasible. Therefore we always have to redesign even remove such features.
Besides, high pressure die casting can have small draft angle and edge rounds, which can be adapted readily.
Deduction of machining allowance: high pressure die casting process can obtain much more precise dimensions than low pressure die casting. While converting, we have to note that some tolerances can be achieved by die casting process directly, and some extra machining allowance can be saved.
Aluminum low pressure die casting product show
Aluminum low prssure die casting spot
Accepting sand casting and die casting conversion projects
In Xiangshan Ningbo are concentrating the best low pressure die casting foundries of china. Parison Suzhou once sourced low pressure die casting from them. Now our ningbo factory has established mutual benefit cooperation with them. We are willing to accept aluminum low pressure and high pressure die casting conversion projects. Besides, we accept small order of aluminum sand casting with post machining. We are willing to introduce us to those partners or act as purchasing agent for you.
