With the rapid development of modern science and technology, especially with the advancement of power electronics technology, microelectronics technology, computer technology and control principle, AC servo drive with AC servo motor as the execution motor has the same performance as DC servo drive. The characteristics, so that the inherent advantages of AC servo motor have been fully exerted, AC servo drive has become the development direction of modern servo drive. AC servo technology has been developed since the early 1990s.
Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.
The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw
Hex Machine screw,pan machine screw,flat machine screw,truss machine screw,Hexagon socket screws
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