Standard Air Cylinders (Round Type)
Air Cylinder CM2/CDM2
![](https://www.smcworld.com/upfiles/etc/series/en-jp/img1-img1-005-CM2-CDM2-Z.jpg)
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・Female rod end is available as standard.
・Easy fine adjustment of auto switch position
・Single clevis and trunnion pivot brackets are available.
・Part numbers with a rod end bracket and/or pivot bracket are available.
(It is not necessary to order a bracket for the applicable cylinder separately.)
・With auto switch (CDM2-Z series: CDM2, CDM2W, CDM2K, CDM2KW,
CDM2R, CDM2RK, CDM2□P, CDBM2)
∗ The CM2-Z series (standard type double acting, single rod) will be
discontinued in January 2025.
Please select the CM2-Z1 series. ▶Click here for details.
Model Selection/Technical Data Quick Selection Table
Simple Specials Made to Order Common Specifications Green Procurement (RoHS)
Type | Series | Action | Bore size (mm) |
---|---|---|---|
Standard | CM2-Z | Double acting, Single rod | 20,25,32,40 |
Standard | CM2-Z | Single acting (Spring return/extend) | 20,25,32,40 |
Standard | CM2W-Z | Double acting, Double rod | 20,25,32,40 |
Non-rotating rod | CM2K-Z | Double acting, Single rod | 20,25,32,40 |
Non-rotating rod | CM2K-Z | Single acting (Spring return/extend) | 20,25,32,40 |
Non-rotating rod | CM2KW-Z | Double acting, Double rod | 20,25,32,40 |
Direct mount | CM2R-Z | Double acting, Single rod | 20,25,32,40 |
Non-rotating rod/ Direct mount | CM2RK-Z | Double acting, Single rod | 20,25,32,40 |
Centralized piping | CM2□P | Double acting, Single rod | 20,25,32,40 |
With end lock | CBM2 | Double acting, Single rod | 20,25,32,40 |
Features
Female rod end available as standard Rod end styles suitable for the application can be selected.
![](/assets/newproducts/en-jp/cm2/images/01.jpg)
Various mounting bracket options
・Suitable mounting brackets can be selected for the installation condition.
・Improved amount of mounting freedom
![](/assets/newproducts/en-jp/cm2/images/02.jpg)
Easy fine adjustment of auto switch position
Fine adjustment of the auto switch set position can be performed by loosening the auto switch attached screw.
Operability improved compared with the conventional auto switch set position adjustment, where the complete switch mounting band requires loosening.
![](/assets/newproducts/en-jp/cm2/images/03.jpg)
Transparent switch bracket improves visibility of indicator LED.
![](/assets/newproducts/en-jp/cm2/images/04.jpg)
Single clevis and trunnion pivot brackets are available.
Rotating angle: Max. 202°(Bore size 40 mm)
![](/assets/newproducts/en-jp/cm2/images/05.jpg)
Non-rotating rod type, single acting CM2K series is added. New
The models with rod end bracket and/or pivot bracket part numbers are expanded.
Part numbers with rod end bracket and/or pivot bracket available
Not necessary to order a bracket for the applicable cylinder separately
Note) Mounting bracket is shipped together with the product, but not assembled.
![](/assets/newproducts/en-jp/cm2/images/06.jpg)
Total length is shortened with boss-cut type.
Boss for the head cover bracket is eliminated and the total length of cylinder is shortened.
![](/assets/newproducts/en-jp/cm2/images/07.jpg)
No environmental hazardous substances used
Compliant with EU RoHS directive. Lead free bushing is used as sliding material.
Specifications, performance and mounting method are same as the existing product.
Grease is selectable. (Option)
・Grease for food processing equipment (XC85)
・PTFE grease (X446)
Water resistant compact auto switch now available
・Solid state auto switch D-M9□A (V)
Variations
Stroke Variations
![](/assets/newproducts/en-jp/cm2/images/08.jpg)
∗ For details about the clean series, refer to the WEB catalog.
Series Variations
![](/assets/newproducts/en-jp/cm2/images/09.jpg)
Note) Mounting bracket is shipped together with the product, but not assembled.