P-EZ planetary servo geared motors

P precision planetary gear unit with EZ STOBER servo motor. In the power range 0.25 – 31.0 kW. Gear ratio range 3:1 – 100:1. Torques max. 10 – 3,450 Nm. Rotational clearance 1.0 – 8.0 arcmin. Efficiency 95 – 97%. Optionally with encoder, resolver, reduced backlash, two brakes, fan, single-cable with EnDat 3.0, with rack and pinion, with SC6 / SI6 / SD6 servo drive.

P-EZ planetary servo geared motors

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 geared motors

  • 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 geared motors

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

Properties of EZ servo motors

  • Electric synchronous motors with permanent magnets
  • Rotary plug connectors with quick lock
  • Operating temperature range: -15°C to +40°C
  • Standard protection class: IP56, optionally IP66
  • Temperature class F (155°C)
  • Electronic nameplate for quick servo motor parameter recognition
  • Rolling bearings with lifetime lubrication and contactless sealing
  • Radial shaft seals made of FKM VITON
  • Radial and axial runout tolerance according to IEC 60072-1
  • Permissible noise level values according to EN 60034-9
  • Not suitable for use in explosion-hazard zones
  • Certifications: CE, UKCA, optionally cURus
  • Integrated PTC thermistor, optionally PT1000 temperature sensor
  • Standard color: black (RAL9005), optionally any RAL color
  • Optional backlash 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 planetary servo geared motors

  • Resolver
  • Absolute encoder EnDAT 2.1/2.2, inductive/optical, Multiturn/Singleturn
  • Optional single-cable solution (OCS) with absolute encoder EnDat 3.0 – EQI 1131, for a max. cable length of 100m

Compatibility of P-EZ planetary servo geared motors with Servo Drives

  • SDS5000, MDS5000, SI6 / SC6, SD6 by STOBER
  • Acopos by B&R
  • AX5000 by Beckhoff
  • AKD, S300, S400, S600 by KOLLMORGEN
  • Sinamics S120 by SIEMENS
  • Bosch Rexroth
  • Allen-Bradley

Catalogues

442437_en_13_KAT_Servogetriebemotoren.pdf – Catalog of Stober servomotors in English

serwomotoreduktory_STOBER_26082024.pdf – Inquiry form about Stober servo motors in Polish/German/English