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The CMK Series is a motor and driver package consisting of a stepping motor and one of the smallest, lightest 24 VDC input microstepping drivers in the industry, allowing for a reduction in size and vibration in your equipment. High-torque, high-resolution, geared and standard type motors available. Models equipped with an encoder are also available. Five frame sizes are available; 1.10 in. (28 mm), 1.38 in. (35 mm), 1.65 in. (42 mm), 1.97 in. (50 mm) and 2.22 in. (56.4 mm) [2.36 in. (60 mm)].
Achieving Low Vibration and Noise with a Microstep Driver
The newly designed DC board-lelvel microstepping driver is compact and lightweight. The stepping motor's basic step angle (1.8°/step) is divided by a maximum of 16 resolutions (0.1125°/step) without the use of a reduction mechanism or other mechanical elements, which contributes to the reduction in noise and vibration.
Full Range of Driver Functions and Features
- Five preset step angles
- Operating current can be easily set with a digital switch
- 1-pulse/2-pulse input mode switching
- Power LED
- Connector with lock (by MOLEX)
One of the Smallest Microstep Drivers in the Industry
The driver of the CMK Series is one of the smallest, lightest microstep drivers in the industry. The driver is 62% lighter and has 41% less install area (based on horizontal installation) compared to our conventional model. This product helps to contribute for the reduction of size in your equipment.
High-Torque Type Motors
The high-torque type motor adopts a new technology and design. This motor produces higher torque of approximately 1.5 times the level achieved by the standard type motor.
Providing torque equivalent to a motor of the next larger frame size, the high-torque type allows for a reduction in the size of your equipment while maintaining equivalent torque.
High-Resolution Type Motors
This motor offers a basic step angle of 0.9°, which is half of that of the standard type motor. 400 steps per rotation is possible. This motor achieves high resolution, low vibration and improved stopping accuracy.
The small basic step angle allows the torque to increase sharply while minimizing the negative effect of friction load.
SH Geared Type
- Spur Gear
- Parallel Shaft
- Wide variety of low gear ratios, high-speed operation
- Gear ratios: 3.6:1, 7.2:1, 9:1, 10:1, 18:1, 36:1
Encoder Models Available
- Encoder option is available for more reliability. (Except for 1.10 in. frame size and SH Geared type)
- Save time ordering parts, assembling and inspecting
- 4 encoder types: 200 or 400 pulses/rev (P/R), 2 or 3 channels
RoHS Compliant
RoHS (Restriction of Hazardous Substances) Directive:
Directive on restriction of the use of certain hazardous substances in electrical and electronic equipment (2002/95/EC).
The RoHS Directive prohibits the use of six chemical substances in electrical and electronic products sold in the EU member states. The six controlled substances are: lead, hexavalent chromium, cadmium, mercury and two specific brominated flame-retardants (PBB and PBDE).
Product Lineup
Type |
Motor Frame Size |
Basic Step Angle |
Max. Holding Torque |
|
|---|---|---|---|---|
w/o Encoder |
w/ Encoder |
|||
 High-Torque |
1.8° |
7.1 ~ 12.7 oz-in (0.05 ~ 0.09 N·m) |
||
22 ~ 42 oz-in (0.16 ~ 0.3 N·m) |
||||
55 ~ 106 oz-in (0.39 ~ 0.75 N·m) |
||||
65 ~ 240 oz-in (0.46 ~ 1.73 N·m) |
||||
 High-Resolution |
0.9° |
22 ~ 45 oz-in (0.16 ~ 0.32 N·m) |
||
52 ~ 191 oz-in (0.37 ~ 1.35 N·m) |
||||
Standard |
1.8° |
22 ~ 45 oz-in (0.16 ~ 0.32 N·m) |
||
79 ~ 170 oz-in (0.56 ~ 1.2 N·m) |
||||
51 ~ 191 oz-in (0.36 ~ 1.35 N·m) |
||||
0.05° - 0.25° |
42 ~ 56 oz-in (0.3 ~ 0.4 N·m) |
|||
0.05° - 0.5° |
1.77 ~ 7 lb-in (0.2 ~ 0.8 N·m) |
|||
0.05 - 0.5° |
8.8 ~ 35 lb-in (1 ~ 4 N·m) |
|||
View Products = View all available part numbers for CMK Series Step Motor and Driver Systems