Air Cylinder, Standard Type, Single Acting, Spring Return/Extend CM2 Series

Brand :

SMC

Caution

■ SMC Product Line
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Product Description

An air cylinder for which the rod-end type can be selected to fit the application
[Features]
· Female rod end available as standard.
· Easy to make fine adjustments to the auto switch position.
· Transparent switch bracket improves visibility of the indicator LED.
· Single clevis and trunnion pivot brackets are available.

Air Cylinder, Standard Type, Single Acting, Spring Return/Extend Specification

Spring extend/return

JIS symbol
Single acting, spring return, rubber bumper / Single acting, spring extend, rubber bumper

Tube Inner Diameter (mm)		20	25	32	40
Action		Single acting, spring return / Single acting, spring extend
Type		Pneumatic
Cushioning		Rubber cushion
Fluid		Air
Proof Pressure		1.5 MPa
Maximum operating pressure		1.0 MPa
Minimum operating pressure	Single acting, spring return	0.18 MPa
Minimum operating pressure	Single acting, spring extend	0.23 MPa
Ambient and Fluid Temperature		Without auto switch: -10°C to 70°C (No freezing) With auto switch: -10°C to 60°C (No freezing)
Lubrication		Not required (non-lubricated)
Stroke Length Tolerance		0 to +1.4 mm
Piston Speed		50 to 750 mm/s
Allowable Kinetic Energy	Male thread	0.27 J	0.4 J	0.65 J	1.2 J
Allowable Kinetic Energy	Female Thread	0.11 J	0.18 J	0.29 J	0.52 J

Option: Ordering Example of Cylinder Assembly

Cylinder model: CDM2C32-150SZ-NV-M9BW

Mounting support type / C: single clevis type
Pivot bracket / N: yes
Rod-end bracket / V: single knuckle joint
Auto switch D-M9BW: 2 pcs.

*Pivot bracket, single knuckle joint and auto switch are shipped together with the product.
*Pivot bracket only compatible with mount support types C, T, U, E, V and UZ.
*When the rod end thread shape is female, rod-end brackets will not attach.

Weight Table

Spring Return

Tube Inner Diameter (mm)		20	25	32	40
Basic weight	25 stroke	0.20	0.30	0.42	0.77
	50 stroke	0.22	0.33	0.46	0.84
	75 stroke	0.27	0.42	0.58	1.03
	100 stroke	0.29	0.45	0.63	1.09
	125 stroke	0.35	0.54	0.76	1.29
	150 stroke	0.37	0.57	0.80	1.36
	200 stroke	-	-	0.97	1.61
	250 stroke	-	-	-	1.87
Mounting Bracket Weight	Foot type	0.15	0.16	0.16	0.27
	Flange type	0.06	0.09	0.09	0.12
	Single clevis	0.04	0.04	0.04	0.09
	Double clevis type	0.05	0.06	0.06	0.13
	Trunnion Type	0.04	0.07	0.07	0.10
	Integrated Clevis Type	-0.02	-0.02	-0.01	-0.04
	Boss-Cut Basic Type	-0.01	-0.02	-0.02	-0.03
	Boss-Cut Flange Type	0.05	0.07	0.07	0.09
	Boss-Cut Trunnion Type	0.03	0.05	0.05	0.07
	Clevis Bracket (With Pin)	0.07	0.07	0.14	0.14
Weight reduction for female rod end		-0.01	-0.02	-0.02	-0.04
Option Bracket	Single Knuckle Joint	0.06	0.06	0.06	0.23
Option Bracket	Double knuckle joint (with pin)	0.07	0.07	0.07	0.20

(Unit: kg)

Spring Extend

Tube Inner Diameter (mm)		20	25	32	40
Basic weight	25 stroke	0.19	0.29	0.40	0.74
	50 stroke	0.21	0.32	0.44	0.81
	75 stroke	0.25	0.39	0.54	0.97
	100 stroke	0.27	0.42	0.58	1.03
	125 stroke	0.32	0.49	0.69	1.20
	150 stroke	0.34	0.52	0.73	1.27
	200 stroke	-	-	0.88	1.49
	250 stroke	-	-	-	1.72
Mounting Bracket Weight	Foot type	0.15	0.16	0.16	0.27
	Flange type	0.06	0.09	0.09	0.12
	Single clevis	0.04	0.04	0.04	0.09
	Double clevis type	0.05	0.06	0.06	0.13
	Trunnion Type	0.04	0.07	0.07	0.10
	Integrated Clevis Type	-0.02	-0.02	-0.01	-0.04
	Boss-Cut Basic Type	-0.01	-0.02	-0.02	-0.03
	Boss-Cut Flange Type	0.05	0.07	0.07	0.09
	Boss-Cut Trunnion Type	0.03	0.05	0.05	0.07
	Clevis Bracket (With Pin)	0.07	0.07	0.14	0.14
Weight reduction for female rod end		-0.01	-0.02	-0.02	-0.04
Option bracket	Single Knuckle Joint	0.06	0.06	0.06	0.23
Option bracket	Double knuckle joint (with pin)	0.07	0.07	0.07	0.20

(Unit: kg)

Calculation
Example: CM2L32-100SZ (tube internal diameter ø32 mm, foot type, 100 stroke)
0.63 (basic weight) + 0.16 (support bracket weight) = 0.79 kg