Stoeber P-EZ planetary servo gearmotor

Precision planetary gearbox with servo motor in direct mounting without adapter or clutch. Synchronous electric motor with absolute encoder. Power range 0.25 – 19.0 kW. Gear ratios from 3:1 – 100:1. Max. torque 10 – 3,450 Nm. Backlash 1.0 – 8.0 arcmin. Efficiency 95 – 97%. Servo geared motor optionally with reduced backlash, resolver, up to 2 brakes, fan, and ZV-P-EZ rack and pinion drive. Includes Stober servo drive, cables, and resistor.

P-EZ planetary servo gearmotor

Compact and very dynamic thanks to direct mounting of the gearbox on the servo motor without an adapter or clutch.

Properties of P-EZ planetary servo gearmotor

• Various output shaft types:
  • G – Solid smooth shaft
  • P – Solid shaft with key
• Gearbox mounting via square flange
• Precision options: Standard or reduced backlash
• No positioning errors: Fractional gear ratio
• Maintenance-free: No need for oil changes or servicing
• Low-noise operation: Helical gears
• Any mounting position possible
• High torsional stiffness
• Low inertia moments
• Continuous operation without cooling
• Sealing: FKM at input / NBR at output
• Rigid output bearing due to preload
• Ambient temperature: 0°C to 40°C (other temperature ranges on request)
• Max. housing temperature: ≤ 90°C
• Protection class: IP65, optionally IP66
• Synthetic gear oil: CLP HC ISO VG 150
• One-layer primer coating in RAL7001 or RAL9005

Optional features of P-EZ planetary servo gearmotor

• Reduced backlash
• FKM VITON shaft seals
• Reinforced axial and radial shaft bearing
• Protection class IP66
• Modular gearwheel on the gearbox output shaft
• Mobil CIBUS 150/220 oil for food industry applications (NSF H1 certified)
• LM servo motor or ME/MEL adapter and coupling for commercially available servo motors
• Dual safety brake in MB adapter and on EZ servo motor
• Two-layer coating and any RAL color upon customer request

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 P-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 P-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