

AKM™ Washdown and Food Grade Servo Motors
Kollmorgen AKM™ Washdown and Washdown Food Series motors are available in frame sizes 2 through 6. These innovative motors incorporate our industry-leading AKM electromagnetics within a housing protected by a 2-K coating and IP67-rated seal configuration. Stainless steel hardware is used on all precision interfaces. The food-grade model incorporates greases that are safe for incidental contact and consumption.

Features
Features
- Frame sizes 2 through 6
- Static torques from 1 to 25 N-m
- Available with a wide range of standard lengths, windings, feedback systems and connection technologies
- Resistant to corrosive chemicals including highly alkaline or acidic cleaning products
- Food-grade version complies with FDA requirements, including lubricants and materials safe for incidental contact and consumption
- IP67 seal design featuring PTFE shaft seal
- Stainless steel shaft
Benefits
- Ideal for applications subject to strict hygiene regulations
- A cost-effective solution for any application that requires periodic washdown
- Increased motor life
- Higher purification rating
- No additional cover or special protection required for the motor casing
- Meets the needs of a wide range of applications without requiring expensive, high-grade stainless steel for the motor casing
- Stainless steel used for motor shaft, screws and connectors
Specifications
Frame Size | units | AKM2 | AKM3 | AKM4 | AKM5 | AKM6 |
---|---|---|---|---|---|---|
Stack Length | 1,2,3,4 | 1,2,3 | 1,2,3,4 | 1,2,3,4 | 2,3,4,5 | |
Windings | 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 | |
Max BUS | VDC | 640 | ||||
Max Stall Tc | Nm (lb-in) | 1.4 (12.6) | 2.88 (25.5) | 6.0 (53.1) | 14.1 (125) | 25.0 (221) |
Max Tp | Nm (lb-in) | 4.82 (42.7) | 10.22 (90.5) | 20.4 (181) | 38.4 (340) | 65.2 (577) |
Max Rated | N | 8000 | 7000 | 6000 | 6000 | 6000 |
Max Rated Power @ Max BUS | kW (Hp) | .54 (.72) | 1.19 (1.59) | 1.73 (2.32) | 3.87 (5.19) | 6.16 (8.25) |
Chemical Resistance | (Ph) | 2–12 | ||||
Ingress Protection | IP67 | |||||
Shaft | Stainless Steel | |||||
Connector Housing | Stainless Steel* |
Modification Is Our Standard
We understand that commercial off-the-shelf motors can’t meet every design and performance demand. That’s why we offer thousands of standard modifications.
Motor Features | Standard Modifications |
---|---|
Front shaft dimensions | Customer-specific shaft dimensions including length and diameter; or shaft features such as open keys, keyways or special machined features |
Special Winding | Special windings to optimize servo system efficiency |
Connectors and Cables | Customer-defined motor connector configurations, pinouts, and cable requirements |
Front Moung dimensions | Special Front Endbell (A-flange) machining to meet customer-specific mounting requirements |
Alternative Feedback devices | AKMH production allows for installation and test of numerous customer-specified, third-party feedback devices |
Thermal sensor | PTC or linear thermistor-type devices |
Media & Downloads
Title | File Language | Date | Share URL |
---|---|---|---|
AKM Instruction Manual EN DE IT ES FR RU | English, French, German, Italian, Russian, Spanish | |
Share URL /sites/default/files/public_downloads/AKM_Installation-ge-en-it-sp-fr-ru.pdf |
Kollmorgen 2G Cable Guide | English | |
Share URL https://www.kollmorgen.com/en-us/products/accessories/cables/literature/kollmorgen-2g-cable-guide/ |
Washdown Data Sheet EN | English | |
Share URL /sites/default/files/public_downloads/Washdown%20Data%20Sheet_en-US_revC.pdf |
These 3D models are intended to guide your design activities and may be used as reference information. Be sure to consult a Kollmorgen expert to ensure you have the most current and accurate information for critical aspects of design work.
Title | File Language | Date | Share URL |
---|---|---|---|
AKM 3D Models & 2D Dimensions | English | |
Share URL https://webassistants.partcommunity.com/23d-libs/kollmorgen/assistant/pcomm.html?series=akm |
Title | File Language | Date | Share URL |
---|---|---|---|
AKM EU RoHS Declaration (RoHS10) | English | |
Share URL /sites/default/files/public_downloads/RoHS10W_standard%20AKM.pdf |
AKM REACH SVHC Certificate of Compliance | English | |
Share URL /sites/default/files/public_downloads/REACH_223_Standard%20AKM.pdf |
AKM Servomotor EU Declaration of Conformity US EN | English | |
Share URL /sites/default/files/public_downloads/AKM%20CE%20Declaration%2009APR20.pdf |
CEL China Efficiency Labelling for Servo and Stepper Motors | English | |
Share URL /sites/default/files/public_downloads/CEL%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors.pdf |
EU-Konformitätserklärung AKM | German | |
Share URL /sites/default/files/public_downloads/Kollmorgen%20AKM%20EU-Conformity%20DE.pdf |
Kollmorgen CE Technical Notice - Servo and Stepper Motors Efficiency | English | |
Share URL /sites/default/files/public_downloads/Kollmorgen%20CE%20Technical%20Notice%20-%20Servo%20and%20Stepper%20Motors%20Efficiency.pdf |
Support
Trade Compliance | ![]() |
February 21, 2023 |
Resolving Servo Feedback Choices | ![]() |
November 4, 2021 |
Ingress Protection of Servo Motors | ![]() |
April 18, 2019 |

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