Have you found that the screws of the new car have no traces of turning, what is the reason?

There is no sign of tightening the screws of the new car because the tools for assembling the new car are more advanced. This is the so-called truth. If you want to do a good job, you must first sharpen its tools. However, how advanced is the assembly line of the main engine factory? I have seen a robot equipped with 30 atlas batteries, with an average of 300000 yuan. Can ordinary auto repair shops and families afford such austerity tools?

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Rolling Friction Mechanisms in Ball Screws

The rolling friction in the ball screw mainly has the following four mechanisms.

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