Brass die casting is brass pressure casting. It is a kind of cavity in which a molten brass alloy liquid is poured into a pressure chamber to fill a steel mold at a high speed, and the brass alloy liquid is solidified under pressure to form a brass casting. Copper casting method.
The basic process of brass die-casting is: the brass liquid is first filled into the cavity of the mold with low speed or high speed casting. The mold has a movable cavity surface, which is pressed and forged with the cooling process of the brass liquid to eliminate the blank. The hose barb fittings defect also causes the internal structure of the blank to reach the forged broken grain. The overall mechanical properties of the blank are significantly improved.
The main features of brass die casting that distinguish it from other casting methods are high pressure and high speed.
1. Brass fluid fills the cavity under pressure and crystallizes at a higher pressure. The Air brake fittings common pressure is 15-100 MPa.
2. Brass liquid fills the cavity at high speed, usually at 10-50 m / s, and some can also exceed 80 m / s, (line speed through the ingate into the cavity - ingate speed), so yellow The filling time of the copper liquid is extremely short, and the cavity can be filled in about 0.01 to 0.2 seconds (depending on the size of the casting). Brass die-casting die-casting machines, die-casting brass alloys and die-casting molds are the three major elements of die-casting production and are indispensable. The so-called brass die-casting process is the organic combination of these three elements, enabling the stable and rhythmic and efficient production of qualified brass castings with the appearance, good internal quality, dimensional conforming to the requirements of the drawings or agreements, and even High quality brass castings.