Simkawa
FFA Linear Motion Screw
Reliable FFA linear motion screw designed for smooth, precise positioning in CNC and automation systems. Long service life, low backlash, and high load capacity.
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FFA Linear Motion Screw Features
- High rigidity single nut design
The FFA series adopts a compact single nut structure with good rigidity and load-bearing capacity, suitable for compact equipment with high space requirements.
- High-precision positioning
The lead screw has small error and high repeatability, meeting the precision transmission requirements in automation equipment and precision machinery.
- Low friction and high efficiency
The ball transmission structure can significantly reduce the friction coefficient, improve transmission efficiency, reduce energy consumption and extend the service life of the equipment.
- Low noise and smooth operation
The design of the raceway and circulation system is optimized to effectively reduce noise and vibration, and the operation is quieter and smoother.
simkawa drive system
Specifications of FFA Ball Screw
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Lubrication of FFA Linear Motion Screw
| Part name | Heat treatment | Hardness (HRC) |
| Screw | Induction heating, quenching | 58-62 |
| Nut | Carburizing, quenching, tempering | 60-62 |
| Ball | / | 62-65 |
Routine Examination
- Check the amount of runout of the shaft head;
- Check the amount of movement of the rolled ball screw support and the mounting platform;
- Check the relative amount of movement between the working platform and the nut seat;
- Check the relative amount of movement between the nut seat and the nut flange.
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