Kollmorgen 6SM37L‑4

Product Name: 6SM37L‑4 Synchronous Brushless Servo Motor (Kollmorgen‑Seidel 6SM Series) Product Brief: Compact‑frame‑size permanent‑magnet synchronous servo motor, delivers high dynamic performance for medium‑precision positioning tasks in automation equipment, resolver‑based position feedback configuration.

Technical Specifications

  • Continuous Power: 0.5 kW
Category:
Description
  • Standstill Torque: 1.5 Nm
  • Rated Speed: 4000 rpm
  • Standstill Current: 1.6 A
  • Protection Class: IP64
  • Cooling Method: Natural convection cooling
  • Insulation Class: Class F
  • Feedback Device: Integrated resolver for rotor‑position feedback
  • Optional Accessory: 24 VDC holding brake
  • Weight: 3.2 kg
  • Mounting Form: Flange mounting
  • Operating Ambient Temperature: −20 °C ~ +40 °C

Functional Features

  • Rare‑earth neodymium permanent‑magnet rotor realizes high torque‑density and fast dynamic response
  • Brushless structure eliminates mechanical‑brush wear, extends service life and reduces maintenance workload
  • Built‑in thermal‑contact temperature‑monitoring sensor for winding‑temperature detection
  • Resolver feedback provides high‑vibration‑resistant position‑signal for harsh‑vibration‑environment operation
  • Optional 24 VDC electromagnetic holding brake for static‑position‑holding under power‑off condition
  • Low‑cogging‑torque design guarantees smooth‑low‑speed‑operation performance

Application Scenarios

  • Packaging machinery, small‑size CNC auxiliary‑axis driving
  • Material‑handling automation equipment, pick‑and‑place mechanisms
  • Printing‑machinery servo‑axes, textile‑equipment motion‑control axes
  • General‑purpose industrial‑automation positioning‑driving applications

Performance Parameters

  • Low rotor inertia for rapid acceleration‑and‑deceleration dynamic response
  • Overload capacity supports short‑time peak‑torque output for dynamic‑motion‑profile execution
  • Natural‑convection cooling for S1 continuous‑duty‑cycle operation within rated‑ambient‑temperature range

Material Composition

  • Housing: High‑strength aluminum alloy housing
  • Rotor: Neodymium‑iron‑boron permanent‑magnet assembly, laminated silicon‑steel‑sheet iron‑core
  • Stator: Silicon‑steel‑sheet laminated‑core with copper‑wire winding
  • Shaft: High‑strength alloy steel output shaft

Structural Characteristics

  • Standard flange‑mount mechanical‑interface, key‑way output‑shaft
  • Integrated resolver feedback‑unit inside motor rear‑end
  • Separate power‑connector and feedback‑signal‑connector on motor housing side‑face
  • Optional brake‑module assembled at motor rear‑end

Working Principle

  • Permanent‑magnet synchronous‑motor working principle: servo‑amplifier outputs three‑phase sine‑wave current to stator winding to generate rotating magnetic‑field; interacts with rotor permanent‑magnet field to produce torque for shaft rotation
  • Resolver detects real‑time rotor‑angle‑position and feeds position‑signal back to matched servo‑drive for closed‑loop speed‑and‑position‑control
  • Thermal‑contact outputs winding‑temperature‑switch‑signal for over‑temperature‑protection logic in servo‑amplifier

Installation Requirements

  • Flange‑mount installation; ensure mounting‑flange flat‑ness, avoid mechanical‑stress distortion on motor housing
  • Align coupling co‑axial‑ity strictly during mechanical‑connection with load‑equipment
  • Reserve surrounding‑space for natural‑convection heat dissipation; do not enclose motor‑body inside non‑ventilated narrow‑space
  • Use matched shielded servo‑motor‑cables; separate power‑cable and feedback‑cable routing
  • Connect motor‑housing to equipment protective‑earth reliably
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