FFU Series Linear Screw
FFU Series Linear Screw
FFU Series Linear Screw
FFU Series Linear Screw

Linear Screw FFU Series

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Product Information

The FFU series linear screw is a high-precision, high-efficiency linear transmission element widely used in mechanical engineering, automation equipment and CNC machine tools.
FFU series ball screws are made of high-strength alloy steel, and the surface is precision machined and heat treated to improve hardness and wear resistance.
The ball nut that matches the screw contains multiple balls inside, which can roll in the screw thread groove, thereby realizing the conversion of rotational motion into linear motion.

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Industry-Leading Innovation

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Product Features

√Excellent manufacturing accuracy enables high-precision position control.
√High load capacity
√Low noise
√Strong wear resistance
√Provides a variety of lead, diameter and length options
√Complies with international standards

Standard Configuration

FFU oil nozzle

Oil nozzle

FFU oil pipe joint

Oil pipe joint

FFU oil pipe joint

Dust ring

FFU dust cover

Dust cover

Factory processing of FFU series linear screw

Advanced processing technology, meticulous operation of ball linear screws FFU series, and quality control at every level.

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Factory processing of FFU series linear screw

Axial clearance adjustment

FFU-Double nut washer preload principle

a. Double nut washer preload principle

Simple structure, easy loading and unloading, high rigidity, reliable operation, and the most widely used. However, it is inconvenient to adjust and cannot be pre-tightened at any time.
FFU-Double nut threaded pre-tightening principle

b. Double nut threaded pre-tightening principle

It has compact structure, easy adjustment, reliable operation and wide application, but the preload amount is not easy to control.
FFU-Single nut pre-tightening method

c. Single nut pre-tightening method

In order to compensate for the gap in the raceway, the size of the ball is appropriately increased during design to make it contact at four points to generate preload. In order to improve working performance, spacer steel balls can be added between the load-bearing balls.
FFU- Single nut pre-tightening principle

d. Single nut pre-tightening principle

In the middle of the nut, the lead is increased by a preload A to achieve the purpose of pretightening.

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