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AKM  Motors

AKM Motors

Kollmorgen AKM™ servo motors give you unprecedented choice and flexibility, with more than 500,000 standard products and practically unlimited co-engineered modifications. Selecting the right-fit motor, optimized for your specific application requirements, has never been easier.



  • 8 frame sizes, 28 frame/stack combinations
  • Speeds up to 8,000 RPM
  • 75 VDC; 120, 240, 480 VAC windings
  • A wide variety of feedback devices, mountings and seals
  • Direct mate to most Kollmorgen servo drives
  • Windings are rated at 100°C rise over a 40°C ambient while using 155°C (class F) insulation materials
  • cURus, CE Compliant, UL Recognition


  • Feedback devices: resolver, SFD, incremental and sine encoders
  • Seals for improved environmental protection
  • Shaft ends closed or open keyway, flat, smooth
  • Dual or single Intercontec connectors, straight or rotatable
  • 24 VDC fail-safe brakes
  • IP67 washdown versions with food-grade greases and finishes


  • Unprecedented choice and flexibility from a wide range of standard products and co-engineered modifications for an exact fit to your design requirements
  • Best-in-class performance, with industry-leading power density
  • Exceptionally low cogging and low harmonic distortion to ensure smooth performance
  • Easy to commission and use, with plug-and-play motor recognition and full-frequency autotuning on AKD™ Series servo drives


Stack Length 1,2,3 1,2,3,4 1,2,3 1,2,3,4 1,2,3,4 2,3,4,5 2,3,4 2,3,4
Windings B,C,D,E C,D,E,F,G C,D,E,H C,E,G,H,J,K E,G,K,L,M,N G,K,L,M,N,P K,L,M,P T
Max BUS (VDC) 320 640 640 640 640 640 640 640
Max Stall Tc (Nm) 0.409 1.4 2.88 6.0 14.1 25.0 53.0 140
Max Tp (Nm) 1.46 4.82 10.22 20.4 38.4 65.2 143 668
Max Rated (N) 8000 8000 7000 6000 6000 6000 3500 3000
Max Rated Power @ Max BUS (kW) .30 .54 1.19 1.73 3.87 6.16 7.71 19.5


Kollmorgen Performance Curve Generator

  • Adjust voltage requirements to identify which windings best suite your application.
  • Vary ambient, and other combinations of feedback/brakes/seals to best portray your actual performance.
Kollmorgen Performance Curve Generator


Goto Kollmorgen Performance Curve Generator...




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