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