Best Application per Type of High-Efficiency Screw
Type of Screw | Rolled Thread Ball Screw | Precision Ground Ball Screw | Planetary Roller Screw | Recirculating Roller Screw | Differential Roller Screw | Micro-Differential Roller Screw | Inverted Roller Screw |
---|---|---|---|---|---|---|---|
Heavy Loads | No | No | Yes | Yes | Yes | Yes | Yes |
High Speed | Maybe | No | Yes | Yes | No | No | No |
High Acceleration/ Deceleration |
No | No | Yes | No | No | No | No |
High Reversal Frequency | No | No | Yes | No | No | No | No |
Minute Displacement | No | No | No | No | Yes | Yes | Yes |
Absence of Lost Motion | No | Maybe | Yes | Yes | Yes | Yes | Yes |
Corrosive Environment | No | Maybe | Yes | Yes | Maybe | Maybe | Maybe |
Dirty Environment | Maybe | No | Yes | Yes | Maybe | Maybe | Maybe |
Special Lubrication | No | Maybe | Yes | Yes | Yes | Yes | Yes |
Extreme Reliability | No | No | Yes | No | No | Maybe | No |
Power Density | low | low | high | high | very high | extreme | high |
Cost of Purchase | low | medium | high | high | high | highest | high |
Cost of Use | high | high | very low | low | low | low | very low |