Stoeber K-EZ bevel servo geared motor

Right-angle bevel gearbox with servo motor in direct mounting without adapter and coupling. Synchronous electric motor with absolute encoder. Power range 0.25 – 19.0 kW. Gear ratios from 4:1 – 381:1. Max. torque 23 – 13,200 Nm. Backlash 1.5 – 12 arcmin. Efficiency 94 – 97%. Servo geared motor optionally with reduced backlash, resolver, up to 2 brakes, fan, and ZV-K-EZ rack and pinion drive. Includes Stober servo drive, cables, and resistor.

K-EZ bevel servo gearmotor

Features of K-EZ bevel servo gearmotor

• Highly rigid right-angle servo drive with worm gearbox, no adapter or coupling required.

• Backlash options: Standard or reduced, ranging from 1.5 – 12 arcmin.

• Precision: Fractional gear ratios ensure no positioning errors.

• Maintenance-free: No oil changes or maintenance required for sizes K1 – K4.

• Quiet operation: Helical gears for smooth running.

• High torsional stiffness.

• Continuous operation without additional cooling.

• Radial shaft seals: FKM on input / NBR on output.

• Output shaft bearing: Standard or reinforced.

• Rigid output bearing due to preload.

• Ambient temperature: 0°C to 40°C (other ranges available on request).

• Maximum gearbox housing temperature: ≤ 80°C.

• Protection class: IP65, optionally IP66.

• Oil quantity depends on mounting position (specify when inquiring or ordering).

• Optional: Oil compensation tank for vertical mounting position EL5.

• Ready for operation, filled with synthetic gear oil type CLP HC ISO VG 150.

• One coat of primer paint in RAL7001 or RAL9005.

• Optional: Clamping ring cover or through-shaft with keyway.

• For sizes K5 – K10: Venting valves are installed as standard depending on mounting position.

Output Shaft Types of K-EZ bevel servo gearmotor

• G – Solid smooth shaft

• V – Solid shaft with key

• V2 – Solid shaft with key on both sides

• A – Hollow shaft with keyway

• S – Hollow smooth shaft with clamping ring and cover

Mounting Options for K-EZ bevel servo gearmotor

• G – Threaded holes

• N – Foot mounting

• F – Round flange

• D – Torque arm

Features of EZ servo motors

• Permanent magnet synchronous electric motors.
• Rotary plug connectors with quick-lock mechanism.
• Operating temperature range: -15°C to +40°C.
• Standard protection class IP56, optionally IP66.
• Thermal class F (155°C).
• Electronic nameplate for quick identification of servo motor parameters.
• Lifetime-lubricated rolling bearings with non-contact sealing.
• Radial shaft seals made of FKM VITON.
• Standard radial and axial run-out tolerances according to IEC 60072-1.
• Permissible noise levels according to EN 60034-9.
• Not suitable for use in explosive atmospheres.
• Certificates: CE, UKCA, optionally cURus.
• Integrated PTC thermistor; optional PT1000 temperature sensor.
• Black color RAL9005, other RAL colors available on request.
• Optional reference elimination for multiturn absolute encoders.
• With external fan for higher ambient temperatures, increased continuous power, or 30% higher torque.
• With 24VDC electromagnetic safety brake.

Encoders in K-EZ servo gearmotor

• Resolver
• Absolute encoder EnDAT 2.1/2.2, inductive or optical, Multiturn / Singleturn
• Optional single-cable OCS solution with EnDat 3.0 absolute encoder (EQI 1131) for cable lengths up to 100 m

Compatibility of K-EZ servo gearmotor with servo drives

• Single-axis SB6, dual-axis SC6, multi-axis SI6 and SD6 drives by STOBER
• Acopos drives by B&R
• AX5000 drives by Beckhoff
• AKD, S300, S400, S600 drives by KOLLMORGEN
• Sinamics S120 drives by SIEMENS
• IndraDrive drives by Bosch Rexroth
• Kinetics drives by Allen-Bradley
• UniDrive, Digitax drives by Control Techniques