BUCHER Hydraulics QXM81-315N Internal Gear Pumps
BRAND : BUCHER
Description
The QXM drive unit can be used in open- and closed-loop hydrostatic drives, and can operate both as a pump and as a motor.
The QXM works as a pump to lift the load and it can recover energy when the load is being lowered.
Used as a bi-directional pump / motor (four-quadrant operation), the unit can control the complete motion cycle of a cylinder.
Advantages
Details
Description
The QXM drive unit can be used in open- and closed-loop hydrostatic drives, and can operate both as a pump and as a motor.
The QXM works as a pump to lift the load and it can recover energy when the load is being lowered.
Used as a bi-directional pump / motor (four-quadrant operation), the unit can control the complete motion cycle of a cylinder.
Advantages
- Up to 70% energy saving
- Up to 20 dB (A) quieter
- Saving valve technology
- Operating pressure up to 400 bar
- Open and closed circle operation
- Use with variable-speed drives
- 2 and 4 quadrant operation possible
Technical Data
| Type | Operating pressure (continuous) up to bar | Operating pressure (intermittend) up to bar | Displacement cm³/rev | Speed max. pump rpm | Speed max. motor rpm |
|---|---|---|---|---|---|
| QXM2 | 250 | 280 | 5,1 - 15,9 | 4000 | 4600 |
| QXM3 | 250 | 280 | 10,0 - 32,1 | 3200 | 4250 |
| QXM4 | 250 | 280 | 20,3 - 64,5 | 2900 | 3900 |
| QXM5 | 210 | 250 | 39,1 - 126,7 | 2500 | 3500 |
| QXM6 | 250 | 280 | 79,8 - 248,4 | 2250 | 3600 |
| QXM8 | 250 | 280 | 161,9 - 495,4 | 1600 | 3400 |
Applications
- Injection molding machines
- Hydraulic presses
- Flight simulators
- Wind-power plants
- Lift/elevator drives
- Winches
- Marine industry
