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钳工在划线后,一般都要在直线上、圆周上和中心上用冲头打点(俗称打样冲眼),才能进行下道工序。工厂里一般都是采用冲头对准所需打点位置用小鎯头敲一下,完成冲点工步。冲点过程,需要两手同时操作,工人易感疲劳。图示为一件简单实用的自动冲点器。冲点操作时,只要一手握住外套的外圆,冲头尖对准所需冲点位置,用力一按冲点器听到“搭”一声,冲点就完成了。若要继续冲点,只要轻轻提起它,冲头便自动复位,又可冲下一个点。自动冲点器的特点是省力,只需一手操作,比手工冲点准确。
Fitters in the marking, the general should be in a straight line, on the center and on the punch with the RBI (commonly known as proofing red eye), in order to carry out the next procedure. The factory is generally used punching head alignment required for the RBI position with a small tap to finish the step point. The process of punctuation needs two hands to operate at the same time, and the workers are susceptible to fatigue. Pictured as a simple and practical automatic punctuator. Punching operation, as long as one hand holding the outer jacket, punching the tip of the punching position required for a punctuality force hit a “take” sound, the punctuation is completed. To continue punctuation, just gently lift it, the punch will automatically reset, but also washed down a point. Automatic punctuator is characterized by labor-saving, just one-handed operation, than the manual punctual accuracy.