Air Cylinder, Standard Type, Double Acting, Single Rod CM2 Series
Brand :
SMC
Caution
- See catalog for specification details.
- Product pictures are representations.
Product Description
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.
Air Cylinder, Standard Type: Double Acting, Single Rod CM2 Series Specifications
Symbol
Double acting / Single rod, Air cushion
| Bore size (mm) | 20 | 25 | 32 | 40 | ||
|---|---|---|---|---|---|---|
| Type | Pneumatic type | |||||
| Operating method | Double acting, single rod | |||||
| Applicable fluids | Air | |||||
| Proof pressure | 1.5 MPa | |||||
| Maximum operating pressure | 1.0 MPa | |||||
| Minimum operating pressure | 0.05 MPa | |||||
| Ambient temperature and working 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-lube) | |||||
| Stroke length tolerance | 0 to +1.4 mm | |||||
| Operating piston speed | 50 to 750 mm/s | |||||
| Cushioning | Rubber bumper, air cushion | |||||
| Allowable Kinetic Energy | Rubber cushion | Male thread | 0.27 J | 0.4 J | 0.65 J | 1.2 J |
| Female thread | 0.11 J | 0.18 J | 0.29 J | 0.52 J | ||
| Air cushion (Effective cushion length mm) | Male thread | 0.54 J (11.0) | 0.78 J (11.0) | 1.27 J (11.0) | 2.35 J (11.8) | |
| Female thread | 0.11 J | 0.18 J | 0.29 J | 0.52 J | ||
Precautions
Operate the cylinder within the allowable kinetic energy.
Option: Ordering example of cylinder assembly
Cylinder model: CDM2C20-50Z-NV-M9BW
Weight list
| Tube Internal Diameter (mm) | 20 | 25 | 32 | 40 | |
|---|---|---|---|---|---|
| Basic weight | Basic type | 0.14 | 0.21 | 0.28 | 0.56 |
| Axial foot | 0.29 | 0.37 | 0.44 | 0.83 | |
| Flange | 0.20 | 0.30 | 0.37 | 0.68 | |
| Clevis integrated | 0.12 | 0.19 | 0.27 | 0.52 | |
| Single clevis | 0.18 | 0.25 | 0.32 | 0.65 | |
| U-Shaped Clevis Type | 0.19 | 0.27 | 0.33 | 0.69 | |
| Trunnion | 0.18 | 0.28 | 0.34 | 0.66 | |
| Boss-cut / Basic | 0.13 | 0.19 | 0.26 | 0.53 | |
| Boss-cut/Rod flange | 0.19 | 0.28 | 0.35 | 0.65 | |
| Boss-cut/Rod trunnion | 0.17 | 0.26 | 0.32 | 0.63 | |
| Additional weight per 50 mm of stroke | 0.04 | 0.06 | 0.08 | 0.13 | |
| Weight reduction for female rod end | -0.01 | -0.02 | -0.02 | -0.04 | |
| Option bracket | Clevis pivot bracket (with pin) | 0.07 | 0.07 | 0.14 | 0.14 |
| Single knuckle joint | 0.06 | 0.06 | 0.06 | 0.23 | |
| Double knuckle joint (with pin) | 0.07 | 0.07 | 0.07 | 0.20 | |
| Pivot bracket | 0.06 | 0.06 | 0.06 | 0.06 | |
| Pivot bracket pin | 0.02 | 0.02 | 0.02 | 0.03 | |
(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