旋转锄片壁厚9mm,直径520mm,属薄壁、大直径类铸件。轮缘有16个齿。采用模板造型,顶注式浇注系统。过去除掉浇口棒是待铸件凝固冷却后,用锤子击打浇口棒,结果常常连同齿片一起断裂造成废品。使生产成本增加,严重地影响了车间的经济效益。为此,我们在浇口棒的去除时间上 Rotating blade thickness 9mm, diameter 520mm, is a thin-walled, large diameter castings. The rim has 16 teeth. Using template modeling, top-pouring system. In the past to remove the gate stick is to be cast solidified cooling, the hammer hit the gate stick, the result is often broken together with the tooth fragments caused by waste. The increase of production cost has seriously affected the economic benefits of the workshop. For this reason, we are at the time of removing the gate sticks