Professional Service
Exclusive Customization
Industry-Leading Innovation
Reliable manufacturer
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
Oil nozzle
Oil pipe joint
Dust ring
Dust cover
Factory processing
Advanced processing technology, meticulous operation of linear screw actuators FFU series, and quality control at every level.
Specifications of Linear Screw Actuator
| Types | Material | Heat treatment | Hardness | |||
| Screw | Nut | Screw | Nut | Screw | Nut | |
| FFU Standard nut type | S55C | SCM415H | High frequency | Carburizing and quenching | 56~62HRC | 58~62HRC |
Axial clearance adjustment
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.
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.
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.
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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