铸件浇注待铸件凝固并冷却后用人力或机械将砂型打碎从砂箱取出铸件叫打箱
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
综合考虑凝固、冷却、打箱、切除浇注系统和热处理影响建立数值模型，准确预测铸件在整个热加工工序中的变形。
Numerical model was established after considering solidification, shake out, clearing getting system and heat treatment to predict the casting deformation during hot working processes.
每100打装一箱，刷上唛头tm，从第一号开始往上循序编号。
Every100 dozen should be packed in a wooden case marked TM and numbered from No. 1 upward.
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