Ball Screw Preloads

Description

Rolled Ball crew consist of a screw spindle and a nut integrated with rolling elements that cycle through a return mechanism. It convert rotary motion into linear motion, and are most regularly used in industrial machinery and precision machines.

YONGRUN produce comprehensive types with SFU, SFS, SFE, SFY kind, single and double nuts. The ball screw provide smooth movement and low friction which can be supplied quickly from stock, at a lower production cost.

Product Details

Ball Screw is made of screw and ball nut. It's function is to turn the rotary motion into linear movement which is a future extension and development of ball screw. With little frication, Ball Screw are widely used into a number industrial equipment and precision instruments.

Product Description

Advantages of ball screw and nut pairs:

The transmission efficiency is high, the friction loss is small, and the transmission efficiency gate of the ball screw nut pair is 0.85~0.98, which can recognize high-speed movement.

Smooth movement without crawling. Due to the small frictional resistance and the extremely small difference between the dynamic and static friction coefficients, the movement is stable and crawling is no longer easy to occur.

The transmission accuracy is high, and there is no lost motion ball screw pair in the reverse direction. After preloading, the axial hole can be eliminated.

The put on is small, the accuracy is maintained, and the service life is long.

With the reversibility of motion, it can convert rotary motion into linear motion, and it can also convert linear motion into rotary motion, that is, both the screw rod and the nut can be used as the driving part or the driven part.

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