Low Particle Generating Grease / KURODA C-Grease
C-Grease helps to reduce particle generation when using motion control components in semiconductor manufacturing machines and electronic component manufacturing equipment.
KURODA C-Grease offers superior torque stability and reduced particle generation when compared to standard fluorine grease. Use with a grease gun for additional ease of application.
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Test conditions
- Ball screw shaft diameter: 20 mm
- Lead: 20 mm
- Preload: 800 N
- Rotational speed: 1200min-1
- Stroke: 250 mm
- Amount of grease: 1 cc
- Measurement interval: 1 h
Test conditions
- Ball screw shaft diameter: 20 mm
- Lead: 20 mm
- Preload: 800 N
- Stroke: 250 mm
- Amount of grease: 1 cc
Values shown are mean values taken after 100 measurements for each rotational speed. The operating time of the ball screw during these measurements is about 240 hours.
- Values shown are the maximum current value ratio at 500 mm/s (1500 min-1) for a single-axis robot.
- The value of the drive motor current is proportional to the load torque.
- Therefore, the larger the current value is, the larger the grease resistance becomes (rotation becomes slower).
Appearance of screw grooves after testing (electronic microscope pictures)
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