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Rack and Roller Pinion System
A patented rack and pinion system with bearing supported rollers engaging two rack teeth simultaneously to achieve the following specifications:
- Zero Backlash
- Lube Free Operation
- No Cumulative Error
- High Corrosion Resistance
- 99% Efficient
- Accuracy of ±30µm [ .001 in]
- Rated Life of up to 30 million contacts
- Speeds of up to 11 m/s [36 ft/s]
- Unlimited Length Possible
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RPS Racks
For Details Select Rack Type
| Premium Rack | Standard Rack | Endurance Rack | Universal Rack | Universal Rack Stainless Steel |
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|---|---|---|---|---|---|
| Thrust Force | 250 - 14000 N | 1000 - 14000 N | 1000 - 14000 N | 7500 - 10500 N | 7500 - 10500 N |
| Max Speed | 4 - 11 m/s | 4 - 11 m/s | 4 - 11 m/s | 4 - 11 m/s | 4 - 11 m/s |
| Accuracy | 30 ±µm | 50 ±µm | 80 ±µm | 50 ±µm | 50 ±µm |
| Repeatability | 5 ±µm | 10 ±µm | 20 ±µm | 10 ±µm | 10 ±µm |
| Backlash | 0 | 0 | 0 | 0 | 0 |
| Corrosion Resistance | Hard Chrome | Uncoated Steel | Nitrided | Uncoated Steel | Stainless Steel |
| Lubrication Free Speed | 0.5 m/s | N/A | 0.5 m/s | N/A | N/A |
| Noise Level | 75 dB | 75 dB | 75 dB | 75 dB | 75 dB |
| Average Lead Time | 1-2 weeks | 1-2 weeks | 1-2 weeks | 1-2 weeks | 1-6 weeks |
| Price compared to Premium | 100% | 90% | 80% | 50% | Call (size dependent) |
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RPS Pinions
- RPS Pinions mount to ISO gearbox flanges or smooth output shafts.
- The rollers are bearing supported for very low friction and long life.
- Available in coated or stainless steel.
RPS Accessories
- RPS Preloaders precisely move the pinion into the rack and establish a small preload.
- RPS Flange Adapters allow flange mount pinions to mount to one reducer frame size larger than they would directly bolt to.
Learn More About RPS Technology
Rack and Roller Pinion System Videos
