Importance

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Abstract

A thread-rolling apparatus includes a base, a feeding unit, a thread-forming assembly, and a distance-sensing assembly. The base mainly includes a movable portion, a first body, and a second body between the movable portion and the first body. The thread-forming assembly includes cooperating first and second dies and a working passage formed between the dies. The distance-sensing assembly includes at least one sensing unit disposed on the first body and a processing module connected to the sensing unit. The cooperation between the sensing unit and the processing module senses changes in a first distance between the first body and the second body in a non-contact manner whereby abnormal variations can be quickly observed and properly coped, and a second distance of the working passage can be in a normal state. Accordingly, the yield rate of the thread-rolling apparatus can be efficiently increased.

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First Claim