Simkawa
FFY Linear Ball Screw
Reliable and efficient FFY series linear ball screw for precise linear motion control. Features low backlash, high rigidity, and long service life.
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FFY Linear Ball Screw Features
- Compact design, strong adaptability
FFY series adopts miniaturized and compact structural design.
- High-precision positioning performance
The screw has high processing accuracy, combined with the preloaded nut structure, effectively eliminating axial clearance.
- Low friction, high efficiency
The ball transmission structure is adopted, with low friction resistance and high transmission efficiency.
- Low noise, smooth operation
The structure of the raceway and circulation system is optimized, with low noise and vibration during operation.
simkawa drive system
Specifications of FFY Linear Ball Screw
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Linear Ball Screw Function
- Positioning → Grinding C3/C5 → ISO Compliant
High-precision positioning, capable of achieving micron-level positioning accuracy
Repeatable positioning accuracy, capable of maintaining good repeatable positioning accuracy in multiple movements.
- Transmission → Grinding C5/C7 → ISO Compliant
High-efficiency transmission, ball screw transmission efficiency can reach more than 90%
Smooth movement, ball screw can provide smooth linear movement, reduce vibration and noise.
Linear Ball screw transmission type
Nut rotation type
The nut is fixed to the device, and the screw is rotated to achieve linear motion. The rotation of the nut causes the balls to roll in the screw thread groove, thereby pushing the screw to move along its axial direction.
Linear Ball screw transmission type
Screw rotation type
The screw is fixed and the nut rotates to achieve linear motion. The rotation of the nut causes the balls to roll in the screw thread groove, thereby pushing the nut to move along the screw.
| Features | Nut rotation type | Screw rotation type |
| Moving parts | Screw rotation | Nut rotation |
| Space requirements | Suitable for space-constrained applications | Suitable for situations requiring high loads and high precision |
| Design complexity | Relatively simple design | Require a more complex control system |
| Application scenarios | Compact mechanical structure | CNC machine tools, automation equipment |
| Load capacity | Usually high | Usually low |
| Positioning accuracy | High accuracy | Higher accuracy |
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