Product Description:

The AKMH33E-ACKNCA1K is a stainless steel servomotor manufactured by Kollmorgen as part of the AKMH Stainless Servomotors series. It is a hygienic stainless steel washdown motor used in conveyors, rotary actuators, and dosing pumps for automated food, beverage, and pharmaceutical equipment. The motor converts drive current into controlled torque in applications where aggressive cleaning and microbial safety are required.

Electrically, the motor sustains a 2.51 N-m continuous stall torque that rises to 10.2 N-m under peak stall, produced by an eight-pole stator wound to type E. The winding has 18.5 mH phase inductance and 9.03 Ω resistance at 25 °C, and its 70.6 Vrms/kRPM back-EMF constant requires suitable bus voltage from matching AKD drives connected through a pre-assembled cable. Position feedback is supplied by an SFD3 encoder with 11-bit resolution, while the rotor inertia of 0.000085 kg·m² helps limit overshoot during indexing moves. The corrosion-resistant 1.4404 (316L) housing, FDA-approved O-ring flange seal, and IP69K enclosure rating prevent liquid ingress during high-pressure spray. A flange-mount IEC interface uses a 14 mm shaft to transmit torque, and the design omits a holding brake to eliminate internal crevices.

The magnetic circuit draws 2.34 Arms at continuous stall and can momentarily accept 10.3 Arms, with a torque constant of 1.09 N-m/Arms. These currents are accommodated by the AKMH3 frame with rotor length code 3, and the motor uses the IM B5 standard style for IEC flange mounting. A 89 mm flange diameter with a 60 mm pilot centers the motor, and surface roughness below 0.8 µm helps limit bacterial adhesion on the shell. The shaft seal carries the same washdown rating as the enclosure, the mineral-filled PTFE cable jacket resists chemicals, and compliance with DIN 748 and DIN 6885 keeps the shaft compatible with standard couplings.