The traditional screw transmission is composed of a lead screw and a nut. The advance and retreat is a rotation of a circle, and the labor intensity is high, which is easy to cause fatigue and tiredness of the operator. For more than 100 years, experts at home and abroad have been looking for an ideal quick-opening screw drive that quickly crosses the thread idler. In China, in recent years, there have been many kinds of institutions that can achieve the fast travel beyond the thread. The fast opening and closing steel ball screw transmission device (hereinafter referred to as Wang's opening and closing screw transmission) is its
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