Stoeber KS-EZ angular servo gearmotor

Planetary gearbox with bevel right angle gear and 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 2:1 – 400:1. Max. torques 27 – 400 Nm. Backlash 5.0 – 6.0 arcmin. Efficiency 93 – 95%. Servo geared motor optionally with resolver, brake, fan, clamping ring, swivel flange and pass-through sleeve, ZV-KS-EZ rack and pinion drive. Includes Stober servo drive, cables, and resistor.

KS-EZ angular servo gearmotor

Features of KS-EZ angular servo gearmotor

• Compact and highly dynamic thanks to the direct mounting of the gearbox on the servo motor without adapter and coupling.

• Quiet operation – achieved through helical gearing.

• High precision with low backlash.

• No positioning errors – fractional gear ratios available.

• Maintenance-free – no oil change required.

• Reinforced output shaft bearing – available on request.

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

• Filled with synthetic grease CLP HC ISO VG 150.

• Maximum permissible gearbox surface temperature ≤ +90 °C.

• Protection class IP65, optionally IP66.

• Standard output shaft seal made of NBR; optional FKM.

• For duty cycles > 60% and higher ambient temperatures, FKM radial shaft seals on the output are recommended.

• Cast iron housing.

• Oil quantity depends on mounting position.

• Oil expansion tank for vertical downward mounting position EL5.

• Standard paint: black RAL9005 (other colors and painting methods available on request).

• Optional with Mobil CIBUS 150/220 oil for food industry applications (NSF H1 approved).

• Optional with LM servo motor or with ME/MEL adapter and coupling for market-available servo motors.

Output Shaft Types for KS-EZ angular servo gearmotor

• F – rotating flange shaft with through bushing

• S – hollow smooth shaft with clamping ring (optional with cover)

• G – full smooth shaft

• P – full shaft with keyway

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 KS-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 KS-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