FREEBEAR CORPORATION
Freebear Corporation ARU 2444 Series Pneumatically Actuated Freebear Unit
Manufacturer: Freebear Corporation Ltd.
Model : ARU-2444 series (Pneumatically Actuated freebear unit)
Features
- The unit with built-in rollers rises and lowers through air pressure.
- Compared with the freebear unit, the roller has a smaller starting frictional resistance (μ) in the rotational direction and is suitable for the direction turn and right-angle transfer in production line.
- Spring return type (lowered by means of exhaust)
- If the T-groove is deeper than 46mm, you need to adjust the height by installing a spacer underneath the ARU.
- In such case, make sure that the ball extrudes 2mm from the upper surface of the bolster when the ARU rises. We can provide various types of spacers.
Connection dimension diagram
Calculation formula of full length A＝24.5＋（Sum of L1)
(Unit : mm)
| Model | Body size（mm） | Weight | Operating air pressure | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | L1 | A1 | P | kg | 0.3MPa | 0.4MPa | 0.5MPa | 0.6MPa | |||||
| Load capacity | |||||||||||||
| kN | kgf | kN | kgf | kN | kgf | kN | kgf | ||||||
| ARU-2444-300 | 297.5 | 228 | 273 | 1×P60=60 | 2.4 | 1.23 | 124.90 | 1.47 | 149.90 | 1.96 | 199.90 | 2.45 | 249.80 |
| ARU-2444-540 | 537.5 | 468 | 513 | 5×P60=300 | 4.5 | 2.46 | 250.10 | 2.94 | 299.80 | 3.92 | 399.80 | 4.91 | 500.10 |
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