Comparison with other methods
1.Comparison of Repeatability
Repeatability Comparison of a Cross Roller Bearing and an Air Slide
Two measurements demonstrate performance consistency of ball bearings and air bearings.
This is a comparison of TOTO's air slide and a cross roller bearing with more than 300 mm of travel length.
Compared to a roller bearing, an air slide is superior in terms of straightness, repeatability, and vibration.
2.Comparison of Friction Coefficient
Compared to other contact type bearings the friction coefficient of air slide is extremely small, making it ideal for constant speed and highly precise positioning.
| Method | Dynamic friction coefficient | Remakers |
|---|---|---|
| Air bearing slide | Less than 0.002 | TOTO's Air slide |
| Roller bearing | 0.005〜0.01 | Cross roller guide (roller daiameter 6Φ）oil lubrication |
| Slide bearing | 0.07〜0.2 | Cast iron-cast iron oil lubrication |
