AKMH43E-ACKNCA1K Kollmorgen
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The Kollmorgen AKMH43E-ACKNCA1K is a hygienic stainless steel washdown motor from the AKMH Stainless Servomotors series. It features a continuous stall torque of 4.38 N-m at a continuous stall current of 2.61 Arms, with a peak stall torque of 15.95 N-m. This motor uses a 1.4404 (316L) stainless steel housing, is rated for IP69K protection, and includes a Smart Feedback Device (SFD3) encoder.
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Product Description:
The AKMH43E-ACKNCA1K is a hygienic stainless steel washdown servomotor built by Kollmorgen for the AKMH Stainless Servomotors series. It converts drive commands into controlled rotary motion for food, beverage, and pharmaceutical equipment that undergo constant high-pressure sanitation. Connection to an AKD servo drive is handled through a preassembled cable, and rotor position is returned by a Smart Feedback Device (SFD3) encoder. A 1.4404 (316L) stainless housing, an FDA-approved O-ring at the flange, and an IP69K shaft seal protect internal components while the IEC flange and IM B5 orientation simplify machine mounting.
Electrical behavior centers on a continuous stall torque of 4.38 N-m that can be delivered indefinitely at a continuous stall current of 2.61 Arms. For transient moves, the motor withstands a peak stall torque of 15.95 N-m while drawing up to 11 Arms. The torque constant is 1.71 N-m/Arms, giving predictable load response, and the back-EMF constant reaches 110.8 Vrms/kRPM for voltage matching with the AKD inverter. Inductance is 32.6 mH, DC resistance is 8.63 Ω, rotor inertia is 0.000209 kg·m², rotor length is 3, and winding type E supports smooth commutation. Feedback resolution is 11 bit for fine velocity control.
The flange outside diameter is 114 mm with an 80 mm pilot, and the output shaft is a 19 mm closed-keyway shaft machined to DIN 748 and DIN 6885 T1. Overall surface roughness remains below 0.8 µm to resist residue, and mineral-filled PTFE gaskets seal the 1 meter lead set. The frame size is AKMH4, the mounting style is IM B5, and mounting follows IEC flange conventions. There is no holding brake, so static load retention must be supplied externally. Protection is rated at IP69K, meeting steam-jet cleaning requirements while the stainless housing helps prevent corrosion.
Frequently Asked Questions about AKMH43E-ACKNCA1K:
Q: What housing material is used for the AKMH43E-ACKNCA1K servomotor?
A: The AKMH43E-ACKNCA1K motor features a hygienic 1.4404 (316L) stainless steel housing for washdown environments.
Q: What is the continuous stall torque rating of the AKMH43E-ACKNCA1K?
A: This model offers a continuous stall torque of 4.38 N-m, making it suitable for moderate torque requirements.
Q: What type of encoder is integrated in the AKMH43E-ACKNCA1K servomotor?
A: The AKMH43E-ACKNCA1K incorporates a Smart Feedback Device (SFD3) encoder for motion control feedback.
Q: What level of environmental protection does the AKMH43E-ACKNCA1K provide?
A: It has a protection class rating of IP69K, allowing for high-pressure washdown applications.
Q: What is the shaft diameter and type for the AKMH43E-ACKNCA1K motor?
A: The shaft on this model is 19 mm in diameter and uses a closed keyway following DIN 748 and DIN 6885 T1 standards.
