Product Information ?
WEB Catalog
? Air Cylinders
? Standard Air Cylinders (Round Type）
WEB Catalog
Product List
- Air Management System
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Directional Control Valves
- Pilot Operated 4/5 Port Solenoid Valves
- Pilot Operated 3 Port Solenoid Valves
- Direct Operated 3/4/5 Port Solenoid Valves
- Reduced-wiring Fieldbus System (Serial Transmission System)
- Wireless System
- Air Operated Valves
- Mechanical Valves/Transmitters
- Finger Valve/Hand Valves/Residual Relief 3 Port Valve
- Blow Guns
- Power Valves
- ISO Valves
- Explosion-Proof Valves
- Pilot Operated 4/5 Port Solenoid Valves
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Air Cylinders
- Standard Air Cylinders (Round Type）
- Standard Air Cylinders (Square Cover）
- Compact Air Cylinders
- Environment Resistant Cylinders
- Floating Joints/Rod End
- Air-hydro Units
- Mechanically Jointed Rodless Cylinders
- Magnetically Coupled Rodless Cylinders
- Table Cylinders
- Guide Cylinders
- Dual Rod Cylinders
- Lock Cylinders/Cylinder with An End Lock
- Fine Lock Cylinders
- Specialty Cylinders
- Clamp Cylinders
- Pin Shift Cylinder
- Stopper Cylinders
- Stroke Reading Cylinders
- Valve Mounted Air Cylinders
- ISO Cylinders
- Shock Absorbers
- Auto Switches
- Actuator Position Sensor
- Flow Control Equipment
- Standard Air Cylinders (Round Type）
- Rotary Actuators/Air Grippers
-
Electric Actuators/Cylinders
- e-Actuator
- Manifold Controller/Manifold Controller Compatible Electric Actuator
- Battery-less Absolute Encoder Type
- Slider Type
- Rod Type/Guide Rod Type
- Slide Tables
- Miniature
- Rotary Tables
- Grippers
- Grippers for Collaborative Robots
- Controllers/Drivers
- Environment
- Motorless Type
- Electric Cylinders
- Card Motor
- Made to Order
- e-Actuator
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Vacuum Equipment (Vacuum Generators/Vacuum Suction Cups/Other)
- Vacuum Ejectors (Vacuum Generators)/Vacuum Pump Systems
- Vacuum Ejectors
- Vacuum Gripper System (Foam Type)
- Vacuum Release Valve Units
- Air Suction Filters
- Vacuum Pads (Vacuum Suction Cups)
- Special Pads
- Gripper for Collaborative Robots
- Vacuum Saving Valves
- Vacuum Flow
- Vacuum Regulators
- Related Equipment for Vacuum Systems
- Vacuum Ejectors (Vacuum Generators)/Vacuum Pump Systems
- Grippers for Collaborative Robots
- Compact Compressor
- Air Preparation Equipment
- Modular F.R.L./Pressure Control Equipment
- Modular F.R.L. Units
- Pressure Control Equipment
- Booster Regulators
- Lubrication Equipment
- Fittings and Tubing
- Flow Control Equipment
- Silencers/Exhaust Cleaners/Blow Guns/Pressure Gauges
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Switches/Sensors/Controller
- Electronic Pressure Switches/Sensors (Self-contained Type)
- Electronic Pressure Switches/Sensors (Remote Type)
- Mechanical Pressure Switches
- Electronic Flow Switches/Sensors
- Clamp-on Type Flow Sensor
- Mechanical Flow Switches
- Air Management System
- Controllers
- Electronic Temperature & Humidity Switches
- Auto Switches for Air Cylinders
- Auto Switches for Rotary Actuators and Air Grippers
- Electronic Pressure Switches/Sensors (Self-contained Type)
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Static Neutralization Equipment
- Static Neutralization Equipment Ionizer Bar Type
- Static Neutralization Equipment Nozzle Type Ionizer
- Static Neutralization Equipment Fan Type Ionizer
- Static Neutralization Equipment Ionizer Gun
- Static Neutralization Equipment Desktop Duster Box
- Static Neutralization Equipment Electrostatic Sensor/Sensor Monitor/Meter
- Static Neutralization Equipment/Ionizers
- Static Neutralization Equipment Ionizer Bar Type
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Industrial Device Communication Equipment/Wireless System
- Wireless System: PROFINET Compatible Products
- Wireless System: EtherNet/IP Compatible Products
- Wireless System: EtherCAT Compatible Products
- Wireless System: IO-Link Compatible Products
- Wireless System: CC-Link Compatible Products
- Wireless System: DeviceNet Compatible Products
- Industrial Device Communication Equipment: PROFINET Compatible Products
- Industrial Device Communication Equipment: EtherNet/IP Compatible Products
- Industrial Device Communication Equipment: EtherCAT Compatible Products
- Industrial Device Communication Equipment: Modbus TCP Compatible Products
- Industrial Device Communication Equipment: ETHERNET POWERLINK Compatible Products
- Industrial Device Communication Equipment: CC-Link IE Field Compatible Products
- Industrial Device Communication Equipment: SSCNET III Compatible Products
- Industrial Device Communication Equipment: MECHATROLINK-Ⅲ Compatible Products
- Industrial Device Communication Equipment: PROFIsafe Compatible Products
- Industrial Device Communication Equipment: IO-Link Compatible Products
- Industrial Device Communication Equipment: PROFIBUS Compatible Products
- Industrial Device Communication Equipment: DeviceNet Compatible Products
- Industrial Device Communication Equipment: CC-Link Compatible Products
- Industrial Device Communication Equipment: AS-interface Compatible Products
- Industrial Device Communication Equipment: CompoNet Compatible Products
- Industrial Device Communication Equipment: Interbus Compatible Products
- Industrial Device Communication Equipment: MECHATROLINK-Ⅱ Compatible Products
- Other: RS232C Compatible Products
- Other: RS485 Compatible Products
- Wireless System: PROFINET Compatible Products
- Process Valves
- Chemical Liquid Valves/Fittings & Needle Valves/Tubing
- Process Pumps(Diaphragm Pumps)
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Temperature Control Equipment
- Thermo-Chillers (Circulating Fluid Temperature Controllers) Standard Type/Basic Type
- Thermo-Chillers (Circulating Fluid Temperature Controllers) Inverter Type
- Thermo-Chillers (Circulating Fluid Temperature Controllers) Dual Channel Thermo chiller for Lasers
- Thermo-Chillers (Circulating Fluid Temperature Controllers) Rack Mount Type
- Thermo-Chillers (Circulating Fluid Temperature Controllers) High performance/Type & Inverter Type
- Chiller Compliant Regulations
- Thermo-cons/Thermoelectric Baths (Peltier-Type Temperature Control Equipment)
- Air Temperature Controllers
- Thermo-Chillers (Circulating Fluid Temperature Controllers) Standard Type/Basic Type
- Process Gas Equipment AP Tech
- High Vacuum Equipment
- Industrial Filters/Sintered Metal Elements
- Pneumatic Instrumentation Equipment
- Hydraulic Equipment
Theme
-
Clean Series/Low-Particle Generation
- Directional Control Valves
- Air Cylinders
- Rotary Actuators
- Air Grippers
- Air Dryers
- Compressed Air Cleaning Filter Series
- Clean Gas Filters/Air Filters
- Exhaust Cleaner for Clean Room/Clean Exhaust Filter
- Modular F.R./Pressure Control Equipment
- Fittings
- Tubing
- Flow Control Equipment
- Switches/Sensors
- Flow Switch
- Electric Actuators
- Directional Control Valves
- Fluoropolymer Equipment/PVC Equipment
-
Series Compatible with Secondary Batteries Series 25A-
- Air Management System
- Directional Control Valves
- Actuators
- Related Products
- Rotary Actuators/Air Grippers
- Vacuum Equipment
- Air Preparation Equipment/Clean Air Filters
- ModularF.R.L./Pressure Control Equipment
- Flow Control Equipment/Fittings
- Tubings
- Detection Switches/Auto Switches
- Process Valves
- Process Gas Equipment
- Electric Actuators
- Air Management System
- Copper, Fluorine-free Equipment Series 20-
- ISO Products
- Arc Welding Process Equipment
- IO-Link Devices
- Grease-free Nitrogen (N2) Compatible Equipment
- List of ATEX Compliant Products
Standard Air Cylinders (Round Type）
Air Cylinder CM2/CDM2
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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)
? CM2-Z series (standard type double acting, single rod) will be
discontinued in January 2025.
Please select CM2-Z1 Series. ?Click here for details.
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2D/3D CAD
The new SMC CAD SYSTEM, CADENAS, allows you to output 2D/3D CAD data with full part numbers in various data formats. Responses to part number selection has been greatly improved with the newly developed system.
Click here for 2D/3D CAD2D CAD
Click here for 2D CAD Air Cylinder CM2/CDM2
Manual
Type Series Action Bore size (mm) View search result Standard CM2-Z Double acting, Single rod 20，25，32，40 View search result Standard CM2-Z Single acting (Spring return/extend) 20，25，32，40 View search result Standard CM2W-Z Double acting, Double rod 20，25，32，40 View search result Non-rotating rod CM2K-Z Double acting, Single rod 20，25，32，40 View search result Non-rotating rod CM2K-Z Single acting (Spring return/extend) 20，25，32，40 View search result Non-rotating rod CM2KW-Z Double acting, Double rod 20，25，32，40 View search result Direct mount CM2R-Z Double acting, Single rod 20，25，32，40 View search result Non-rotating rod/
Direct mountCM2RK-Z Double acting, Single rod 20，25，32，40 View search result Centralized piping CM2□P Double acting, Single rod 20，25，32，40 View search result With end lock CBM2 Double acting, Single rod 20，25，32，40 View search result Air Cylinder CM2/CDM2
Symbol Specifications Download -XB6 Made to Order Common Specifications Heat resistant cylinder (－10 to 150℃) PDF -XB7 Made to Order Common Specifications Cold resistant cylinder (－40 to 70℃) PDF -XB9 Made to Order Common Specifications Low speed cylinder (10 to 50 mm/s) PDF -XB12 Made to Order Common Specifications External stainless steel cylinder PDF -XB13 Made to Order Common Specifications Low speed cylinder (5 to 50 mm/s) PDF -XC3 Made to Order Common Specifications Special port location PDF -XC4 Made to Order Common Specifications With heavy duty scraper PDF -XC5 Made to Order Common Specifications Heat resistant cylinder (－10 to 110℃) PDF -XC6 Made to Order Common Specifications Made of stainless steel PDF -XC8 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable extension type PDF -XC9 Made to Order Common Specifications Adjustable stroke cylinder/Adjustable retraction type PDF -XC10 Made to Order Common Specifications Dual stroke cylinder/Double rod type PDF -XC11 Made to Order Common Specifications Dual stroke cylinder/Single rod type PDF -XC12 Made to Order Common Specifications Tandem cylinder PDF -XC13 Made to Order Common Specifications Auto switch rail mounting type PDF -XC20 Made to Order Common Specifications Head cover axial port PDF -XC22 Made to Order Common Specifications Fluororubber seals PDF -XC25 Made to Order Common Specifications No fixed throttle of connection port PDF -XC27 Made to Order Common Specifications Double clevis and double knuckle joint pins made of stainless steel PDF -XC29 Made to Order Common Specifications Double knuckle joint with spring pin PDF -XC35 Made to Order Common Specifications With coil scraper PDF -XC38 Made to Order Common Specifications Vacuum (Rod through-hole) PDF -XC52 Made to Order Common Specifications Mounting nut with set screw PDF -XC85 Made to Order Common Specifications Grease for food processing equipment PDF -XC92 Made to Order Common Specifications Dust resistant actuator PDF
Safety Instructions Actuators/Precautions Auto Switches/Precautions
Model Selection/Technical Data Quick Selection Table
Simple Specials Made to Order Common Specifications Green Procurement (RoHS)
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.
Various mounting bracket options
?Suitable mounting brackets can be selected for the installation condition.
?Improved amount of mounting freedom
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.
Transparent switch bracket improves visibility of indicator LED.
Single clevis and trunnion pivot brackets are available.
Rotating angle: Max. 202°（Bore size 40 mm）
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.
Total length is shortened with boss-cut type.
Boss for the head cover bracket is eliminated and the total length of cylinder is shortened.
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
? For details about the clean series, refer to the WEB catalog.
Series Variations
Note) Mounting bracket is shipped together with the product, but not assembled.
