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 Installation Manual | English, French, German, Italian, Spanish | |
Share URL /sites/default/files/2025-06/AKM-Install-Manual-Multilingual.pdf |
| Kollmorgen 2G Cable Guide | English | |
Share URL /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 |
| Title | Language | Date | Share URL |
|---|---|---|---|
| Kollmorgen Full-line Catalog | English | Share URLview | |
| AKM Washdown Datasheet EN revC | English | Share URLview | |
| Kollmorgen AKM Servomotor Catalog | English | Share URLview |
These files cover the standard product family line. For environmental declarations for custom products, i.e. part numbers containing “S” or “X”, visit our Environmental Compliance search.
| Title | File Language | Date | Share URL |
|---|---|---|---|
| AKM EU RoHS Declaration | English | |
Share URL /sites/default/files/2025-03/AKM%20Standard%20ROHS%20Declaration.pdf |
| AKM REACH_R241 Declaration | English | |
Share URL /sites/default/files/2025-03/AKM%20Standard%20REACH%20Declaration.pdf |
| AKM Servomotor EU Declaration of Conformity US EN | English | |
Share URL /sites/default/files/public_downloads/AKM%20CE%20Declaration%2009APR20.pdf |
| CE Technical Notice - Servo and Stepper Motors Efficiency | English | |
Share URL /sites/default/files/2026-01/CE%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors%2008Jan25.pdf |
| CEL China Efficiency Labelling for Servo and Stepper Motors | English | |
Share URL /sites/default/files/2026-01/CEL%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors%2008JAN25.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.
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