Owing to the action of temperature gradient, melt gravity and solidifying bulk, the life of the crucible is reduced.
由温度梯度，熔体重力和固化块的作用引起的坩埚形变和裂隙缩短了坩埚的使用寿命。
Material sort, melting capacity, working condition, building process of the crucible and melting process are main factors influencing working life of the crucibles of induction furnaces.
坩埚的材料、容量、工作状态、制作工艺及熔炼工艺是影响感应电炉坩埚使用寿命的主要因素。
The industrial tests have shown that the service life of new alloy cast iron crucible is 2-3 times as long as ordinary grey cast iron crucible.
工作试验结果表明，新材质制造的坩埚使用寿命是普通铸铁坩埚的2—3倍。
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