压实、压铸并用铸造法原理是采用加压柱塞对充填到型腔内的液态金属强制加压,并将压力一直维持到液态金属凝固完了之时,以此抑制混入液态金属中的气泡的成长,从而有效防止缩孔的产生。 所使用设备是经过局部改造的一般冷室压铸机,所用金属型结构如图1所示,其浇口、横浇口及型腔与一般压铸金属型相同。 Compaction, casting and casting principle is the use of pressurized plunger filled with liquid metal cavity is forced to pressure, and the pressure is maintained until the liquid metal solidification is completed, in order to suppress the mixed liquid metal bubbles Growth, which effectively prevent the production of shrinkage. The equipment used is a partially modified general cold chamber die casting machine, the metal structure shown in Figure 1, the gate, horizontal gate and the cavity and the general die-casting metal type the same.