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- PHQK-ME
Stöber PHQK-ME
servo gear
- High Torque – right-angle gearbox
- Rated torque to 13000 Nm
- 22:1 – 591:1 / 3,5 - 4 arcmin


Heavy-duty drive units, comprising the helical geared PHQ series four-planet gear unit and the upstream helical bevel gear units.
6 sizes right-angle planetary gearboxes (PHQ5K1 up to PHQ11K8).
Accelerating torques of 430 to 22,000 Nm.
Gear ratios from 22 to 590.
Backlash smaller than 3.5 to 4 arcmin.
The Quattro Power Line is characterized by the output shaft executed as flange. By the helical gear and construction with four planet wheels the gear unit holds very high torsional and tilting rigidity, high accuracy and low noise.
The gearboxes can be supplied with a motor adapter and backlash-free coupling suitable for each type of servo motor. The gearbox is also available with a drive shaft or with directly mounted servo motor.
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Flexible mounting system
The Stober ServoFit® gearboxes are available with a flexible system adapter and couplings for many servomotor
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Assembly servomotor at ATB Automation
Assembly of the servo motor is simple. If desired, this can be carried out at the workshop of ATB Automation.
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High Torque - Quatro series
Application of four planet gears