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- KL-MQ
Stöber KL-MQ
servo gear
- Compact helical bevel gearbox
- Rated torque to 50 Nm
- 4:1 – 32:1 / 16 - 25 arcmin




Helical bevel gear units with two-stage gearset, for mounting with servomotor. With significant weight saving. Highly stiff and extremely compact design with input and output on the same plane.
2 sizes helical bevel gearboxes (KL1 and KL2).
Accelerating torques of 19 to 65 Nm.
Gear ratios from 4 to 30.
Backlash smaller than 16 to 25 arcmin.
Optional ServoStop: with a in the motor adapter integrated fail-safe brake.
Available as:
- Solid shaft with keyway.
- Hollow shaft with keyway, optional with cover.
- Hollow shaft with mounting flange.
The KL helical bevel gearbox comes with a modulair square flange (ME) and backlash-free EasyAdapt coupling for mounting to servo motors.
The KL helical bevel gearboxes are lifetime lubricated.
Handling system diamonds with Estun, Stöber and HSB
ATB Automation has been brought in for automation of diamond order picking in a warehouse. Orders are processed by the HSB XYZ system, taking the diamonds via a barcode system from the shelves in the safe. The large XYZ system also places new diamonds to stock. Right next to the safe is a smaller second xyz system. This system loads the orders into and out of containers to and from the big xyz system in the safe.
The linear system consists of HSB-Beta Z linear axes with toothed belts. The large system in the safe has a range of 2500 x 2300 mm in the horizontal plane and 1790 mm in the vertical plane. The maximum velocities and accelerations that are achieved are 1 m/s and 2 m/s2.
Estun servo drives
The servo system is from the Chinese supplier Estun. The ProNet-EC servo drives are equipped with an EtherCAT bus system. This bus is used for control by a pc equiped with TwinCAT. The compact Estun EMJ servo motors are equiped with Stober PE ME planetary gearboxes and Stöber KL MQ bevel gear units.
ATB Automation: More than componten
The calculations and the selection of the components for an optimal XYZ drive system has been made by the sales engineer of ATB Automation. The supplier of the complete automatic warehouse took care of the commissioning and tuning of the system in close collaboration with one of the ATB Automation software engineers.
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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.