PE-EZ planetary servo geared motor

Cost-effective planetary servo geared motor with a directly mounted servo motor, without an adapter or coupling. Synchronous electric motor with an absolute encoder. Power range: 0.25–7.7 kW. Gear ratios from 3:1 to 50:1. Maximum torque: 5.7–250 Nm. Backlash: 8.0–13.0 arcmin. Efficiency: 95–97%. Servo geared motor optionally available with a resolver, brake, cooling fan, and ZV-PE-EZ rack-and-pinion drive. Complete package includes a STOBER servo drive, cables, and a resistor.

PE-EZ Planetary Servo Geared Motor

Features of PE-EZ planetary servo geared motors

• Economical PE planetary gearboxes directly mounted on EZ servo motors without an adapter or coupling.
• Quiet operation due to helical gearing.
• High precision with a standard low backlash of 8–10 arcmin.
• No positioning errors due to fractional gear ratios.
• Maintenance-free, no oil change required.
• High efficiency of 95–97%.
• Ideal for limited installation space.
• Extremely compact design.
• Suitable for any mounting position.
• Various output shaft designs: solid smooth shaft or solid shaft with keyway.
• Ambient temperature from 0 °C to 40 °C (other temperature ranges available on request).
• Factory-filled with CLP HC ISO VG 150 synthetic lubricant.
• Maximum permissible gearbox temperature (on the gearbox surface) ≤ 80 °C.
• IP64 protection rating.
• Standard NBR radial shaft seals at the gearbox output.
• For duty cycles > 60% and higher ambient temperatures, FKM radial shaft seals are recommended at the output.
• Aluminium gearbox housing.
• Painted black, RAL 9005.

Optional versions of PE-EZ planetary servo geared motors

• IP66 protection rating.
• FKM VITON shaft seals.
• With modular rack and helical gear.
• With Mobil CIBUS 150/220 oil for the food industry and food-processing machinery, NSF H1 approved.
• Two-layer paint coating and any RAL colour available on request.
• With an LM servo motor or with an ME/MEL adapter and coupling for commercially available servo motors.

Features of EZ servo motors

• Permanent magnet synchronous electric motors.
• Rotating plug connectors with quick-lock mechanism.
• Ambient temperature range from -15 °C to +40 °C.
• Standard IP56 protection rating, optionally IP66.
• Temperature class F (155 °C).
• Electronic nameplate for quick identification of servo motor parameters.
• Rolling bearings with lifetime lubrication and non-contact sealing.
• FKM VITON radial shaft seals.
• Standard radial and axial runout within the tolerance class specified by IEC 60072-1.
• Permissible noise levels in accordance with EN 60034-9.
• Not suitable for use in potentially explosive atmospheres.
• CE and UKCA certifications, optionally cURus.
• Integrated PTC thermistor, optionally PT1000 temperature sensor.
• Black, RAL 9005, optionally any RAL colour.
• Optional elimination of homing for Multiturn absolute encoders.
• External fan for higher ambient temperatures, increased continuous power or 30% higher torque.
• 24 VDC electromagnetic safety brake.

Encoders for STOBER PE-EZ servo geared motors

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

Compatibility of PE-EZ servo geared motors with servo drives

• Single-axis SB6 servo drives, SD6 servo drives, dual-axis SC6 servo drives, multi-axis SI6 servo drives from STOBER.
• Acopos from B&R.
• AX5000 from Beckhoff.
• AKD, S300, S400, S600, S700 from Kollmorgen.
• Sinamics S120 from Siemens.
• IndraDrive from Bosch Rexroth.
• Kinetix from Allen-Bradley.
• Unidrive, Digitax from Control Techniques.