The design of the casting must fully consider the wall thickness of the casting, the forging arc and the draft angle of the... moreThe design of the casting must fully consider the wall thickness of the casting, the forging arc and the draft angle of the casting, the ribs, the casting holes on the casting and the small distance from the hole to the edge, the square holes and grooves on the casting, There are seven levels of inserts in the castings and the remaining amount of processing of the castings.