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Air Cylinder, Standard Type, Double Acting, Single Rod CM2 Series (CM2B20-50Z)

Air Cylinder, Standard Type, Double Acting, Single Rod CM2 Series CM2B20-50Z

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Air cylinder with female rod end available as standard.
[Features]
· Rod-end types can be selected to suit the application.
· Various mounting bracket options.
· Easy fine adjustment of auto switch position.
· Transparent switch bracket improves visibility of indicator LED.
· Single clevis and trunnion pivot brackets are available.
· Total length is shortened with boss-cut type.
· Water-resistant compact auto switch mountable.

(i)Caution

  • See catalog for specification details.
  • Product pictures are representations.

PDF

Part Number

Configured Part Number is shown.

CM2B20-50Z

Air Cylinder, Standard Type: Double Acting, Single Rod CM2 Series Specifications

Symbol Double acting / Single rod, Air cushion

Symbol
Double acting / Single rod, Air cushion

Bore size (mm)20253240
TypePneumatic type
Operating methodDouble acting, single rod
Applicable fluidsAir
Proof pressure1.5 MPa
Maximum operating pressure1.0 MPa
Minimum operating pressure0.05 MPa
Ambient temperature and working fluid temperatureWithout auto switch: -10°C to 70°C (No freezing)
With auto switch: -10°C to 60°C (No freezing)
LubricationNot required (non-lube)
Stroke length tolerance0 to +1.4 mm
Operating piston speed50 to 750 mm/s
CushioningRubber bumper, air cushion
Allowable Kinetic EnergyRubber cushionMale thread0.27 J0.4 J0.65 J1.2 J
Female thread0.11 J0.18 J0.29 J0.52 J
Air cushion
(Effective cushion length mm)
Male thread0.54 J
(11.0)
0.78 J
(11.0)
1.27 J
(11.0)
2.35 J
(11.8)
Female thread0.11 J0.18 J0.29 J0.52 J

Precautions
Operate the cylinder within the allowable kinetic energy.

 

Option: Ordering example of cylinder assembly

Cylinder model: CDM2C20-50Z-NV-M9BW

Cylinder model: CDM2C20-50Z-NV-M9BW

Weight list

Tube Internal Diameter (mm)20253240
Basic weightBasic type0.140.210.280.56
Axial foot0.290.370.440.83
Flange0.200.300.370.68
Clevis integrated0.120.190.270.52
Single clevis0.180.250.320.65
U-Shaped Clevis Type0.190.270.330.69
Trunnion0.180.280.340.66
Boss-cut / Basic0.130.190.260.53
Boss-cut/Rod flange0.190.280.350.65
Boss-cut/Rod trunnion0.170.260.320.63
Additional weight per 50 mm of stroke0.040.060.080.13
Weight reduction for female rod end-0.01-0.02-0.02-0.04
Option bracketClevis pivot bracket (with pin)0.070.070.140.14
Single knuckle joint0.060.060.060.23
Double knuckle joint (with pin)0.070.070.070.20
Pivot bracket0.060.060.060.06
Pivot bracket pin0.020.020.020.03

 

(Increment: kg)

 

Calculation
Example: CM2L32-100Z (0.44 + 0.08 × 100/50 = 0.60 kg)

  • Basic weight: 0.44 (Foot, ø32 [32‑mm diameter])
  • Additional weight: 0.08 / 50 stroke
  • Cylinder stroke: 100 stroke
 
Part Number
CM2B20-50Z
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Cushion Specifications Type of Mount Support

SGD 52.73

1 Piece(s) 32 Day(s) 2050Rubber cushionWithout built-in magnetBasic (Double-side bossed)

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function Standard Environment, Applications Standard Operating Temperature(°C) -10::70
Operating Pressure(MPa) 0.05::1.0 Port thread type Rc Swinging Receiving Metal Without bracket
Rod Tip Metal Fitting Without bracket Rod Tip Shape Male rod end Bellows None
Type Pneumatic type

Please check the type/dimensions/specifications of the part CM2B20-50Z in the Air Cylinder, Standard Type, Double Acting, Single Rod CM2 Series series.

Similar Part Numbers

Part Number
CDM2B20-75Z
CDM2B32-50Z
CDM2L25-100AZ
CM2B20-75Z
CM2U32-50Z
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Cushion Specifications Type of Mount Support

SGD 58.68

1 Piece(s) 32 Day(s) 2075Rubber cushionBuilt-in magnetBasic (Double-side bossed)

SGD 68.48

1 Piece(s) 32 Day(s) 3250Rubber cushionBuilt-in magnetBasic (Double-side bossed)

SGD 90.07

1 Piece(s) 32 Day(s) 25100Air cushionBuilt-in magnetAxial foot type

SGD 55.30

1 Piece(s) 32 Day(s) 2075Rubber cushionWithout built-in magnetBasic (Double-side bossed)

SGD 83.18

1 Piece(s) 32 Day(s) 3250Rubber cushionWithout built-in magnetRod end trunnion type

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