组合式化粪池钢模具加工时需要注意①壁厚应尽量均匀一致,脱模斜度要足够大。②过度部分应逐步圆滑过渡,防止有尖角、锐边产生。特别是pc产品一定不要有缺口。③浇口、流道尽可能宽大、粗短,且应根据收缩冷凝过程设置浇口位置,必要时应加冷料井。④模具表面应光洁,表面粗糙度值低。⑤排气孔、槽必须足够,以及时排出空气和熔体中的气体。
Attention should be paid to the processing of combined mould for septic tanks. Second, excessive parts should be gradually smooth transition to prevent sharp corners and sharp edges. In particular, PC products must not have a gap. 3. The gate and runner should be as wide and short as possible. The gate location should be set according to the shrinkage and condensation process, and the cold well should be added if necessary. The surface of the mould should be smooth and the surface roughness is low. Vent holes and slots must be sufficient to discharge air and melt gas in time.