P-LM planetary servo gearmotor encoderless

Precision planetary gear P with LM servo motor without encoder in a compact design without adapter and coupling. Planetary servo reducers in the power range 0.71 – 8.0 kW. Gear ratios 3:1 – 70:1. Maximum torques 13 – 1,840 Nm. Backlash 1 – 5 arcmin. Efficiency 95 – 97 %. Positioning accuracy ±1°. Supplied with servo drive SB6SC6SI6. Smaller, lighter, energy-efficient. Wide range of speed regulation without a fan with constant nominal torque. Only a single power cable!

P-LM planetary servo geared motor without encoder

 

Properties of P-LM planetary servo geared motor

  • Compact and very dynamic thanks to direct mounting of the gearbox on the servo motor without adapter and coupling.
  • Gearbox mounting via square flange.
  • Precise – standard or reduced backlash.
  • No positioning errors – gearbox ratio in fractional form.
  • Maintenance-free – no oil changes or maintenance required.
  • Quiet operation – helical gear wheels.
  • Any mounting position.
  • High torsional stiffness.
  • Low moments of inertia.
  • Continuous operation without cooling.
  • Seals FKM on input / NBR on output (optionally FKM VITON).
  • Rigid output bearing due to preload.
  • Ambient temperature from 0° C to 40° C (other temperature ranges on request).
  • Maximum gearbox housing temperature ≤ 90 °C.
  • Protection class IP65.
  • Synthetic gearbox oil type CLP HC ISO VG 150.
  • Single primer coat in color RAL7001 or RAL900

Optional versions of P-LM planetary servo geared motor

  • Protection class IP66.
  • Radial shaft seal FKM VITON.
  • Double sealing.
  • Reduced backlash 1.5 – 4.0 arcmin.
  • BR – spring-applied safety brake.
  • With two safety brakes in the P-MB gearbox adapter and on the servo motor.
  • Reinforced radial or axial output shaft bearing.
  • With modular gear and helical rack.
  • Non-toxic oil Mobil CIBUS 150/220 for the food industry, for food machinery, NSF H1 approved.
  • Two or more paint layers in any RAL color.
  • Special oils for the food industry on customer request.

Different output shaft types of P-LM planetary servo geared motor

  • G – solid smooth shaft, P – solid shaft with key.

Properties of LM servo motors without encoder:

  • Ideal replacement for an asynchronous motor
  • Higher energy efficiency compared to comparable asynchronous motors IE4
  • Energy efficiency IE5 according to IEC/TS 60034-30-2
  • Significantly lighter and more compact than comparable asynchronous motors
  • Greater acceleration capability than asynchronous motors
  • More compact.
  • Robust due to the elimination of the encoder.
  • Resistant to vibrations and shocks.
  • Cheaper alternative to servo motors.
  • Much more durable, as there is no electronics in the motor.
  • Full control of speed and torque at low speeds and standstill.
  • Only standard power cable without additional encoder wires or shielding.
  • Wiring is limited to the power supply connection cable
  • Power connector rotatable in any direction with quick coupling
  • No cooling required at low speeds.
  • Speed deviations less than 1%
  • Compatible with motor controller – servo drives SB6SC6SI6.
  • Positioning accuracy +/-1° on the servo motor shaft without encoder
  • Protection class IP56, optionally IP66
  • Ambient temperature from -15 to +40°C
  • Thermal motor protection – integrated PTC thermistor
  • Rolling bearings with permanent lubrication and non-contact sealing
  • Radial shaft seals made of FKM
  • Product complies with EU (CE), UK (UKCA), and cURus directives

Catalogs

443016_en_06_KAT_Lean-Motoren.pdf – Catalog of LM servo motors without encoders with gearboxes from Stober, in English

serwomotoreduktory_STOBER_26082024.pdf – Inquiry form for Stober servo gear units in Polish/German/English