It is presented that the switch control with dead limits drives a motor to accomplish the control requirement of automatic feeding of cousumable electrode in electroslag casting of heavy crankshaft.

介绍了带死区的开关量控制在大型曲轴电渣溶铸中驱动电动机，以实现自耗电极的自动进给要求。

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Alloy coating is prepared by induction melting and casting with the method of direct feeding powder on the surface of a shaft.

介绍了用直接送粉方式在轴类零件表面感应熔铸合金层的工艺原理和实验装置。

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This process involves running an initial simulation on a 'naked' casting, that is, a part without any gating or feeding system.

首先，对“裸件”（无任何浇注或补缩系统）进行模拟。

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