Air Cylinder Standard Type, Single Acting, Spring Return/Extend CG1 Series
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Product Description
Standard cylinder with improved auto switch operability.
[Features]
· Rod action type: single rod.
· Female rod end available as standard.
· Improved auto switch operability and easy position adjustment.
· No trunnion mounting female thread for basic type variation.
· Part numbers are set for products with rod-end brackets and pivot brackets (no need to order separately).
Air Cylinder Standard Type, Double Acting, Single Rod CG1 Series Specifications
Air Cylinder Standard Type, Double Acting, Single Rod CG1 Series external appearance
JIS symbol: Rubber bumper
Specifications
| Tube Inner Diameter (mm) | 20 | 25 | 32 | 40 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Action | Double acting, single rod | |||||||||
| Lubrication | Not required (non-lubricated) | |||||||||
| Fluid | Air | |||||||||
| Proof Pressure | 1.5 MPa | |||||||||
| Maximum operating pressure | 1.0 MPa | |||||||||
| Minimum operating pressure | 0.05 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) | |||||||||
| Piston Speed | 50 to 1,000 mm/s | |||||||||
| Stroke Length Tolerance | Up to 1,000 st (0 to +1.4) mm, Up to 1,500 st (0 to +1.8) mm | |||||||||
| Cushioning | Rubber cushion | |||||||||
| Mounting** | Basic type, basic type (without trunnion mounting female thread), axial foot type, rod-end flange type, head-end flange type, rod-end trunnion type, head-end trunnion type, clevis type | |||||||||
| Allowable Kinetic Energy (J) | Rubber Cushioning | Rod end Male thread | 0.28 | 0.41 | 0.66 | 1.20 | 2.00 | 3.40 | 5.90 | 9.90 |
| Rod end Male thread | 0.11 | 0.18 | 0.29 | 0.52 | 0.91 | 1.54 | 2.71 | 4.54 | ||
- *R: rod side, H: head side
- *Foot, flange and clevis types with cylinder sizes of ø20 to ø63 mm do not have trunnion mounting female threads. Only use the cylinder within the allowable kinetic energy range.
Stroke Table
(Units: mm)
| Tube Internal Diameter | Standard Stroke*1 | Maximum Manufacturable Stroke*2 |
|---|---|---|
| 20 | 25, 50, 75, 100, 125, 150, 200 | 201 to 1,500 |
| 25 | 25, 50, 75, 100, 125, 150, 200, 250, 300 | 301 to 1,500 |
| 32 | ||
| 40 |
*1: Intermediate strokes not listed above are produced to order.
Manufacture of intermediate strokes at 1‑mm increments is possible. (Spacers are not used.)
*2: The maximum manufacturable stroke shows the long stroke.
*3: The applicable stroke should be confirmed according to the usage. For details, please refer to "Air Cylinders Model Selection" in the SMC catalog. In addition, products that exceed the standard stroke may not be able to meet the specifications due to deflection, etc.
Mounting Bracket, Accessories / Materials and Surface Treatment
| Classification | Name | Material | Surface Treatment | |
|---|---|---|---|---|
| Mounting Bracket | Foot | Carbon steel | Nickel plated | |
| Flange | Carbon steel (ø20 to ø63 mm) | Nickel plating | ||
| Cast iron (ø80 mm, ø100 mm) | Nickel plating | |||
| Clevis | Carbon steel (ø20 to ø63 mm) | Nickel plating | ||
| Cast iron (ø80 mm, ø100 mm) | Nickel plating | |||
| Trunnion Pin | Trunnion Pin | Carbon steel | Salt bath nitrocarburizing | |
| Trunnion Bracket Bolt | Carbon steel | Nickel plated | ||
| Flat Washer | Carbon steel | Nickel plated | ||
| Accessories | Rod End Nut | Carbon steel | Zinc chromate | |
| Single Knuckle Joint | Carbon steel (ø20 to ø32 mm) | Nickel plating | ||
| Cast iron (ø40 to ø100 mm) | Zinc chromate | |||
| U-Shaped Knuckle Joint | Carbon steel (ø20 to ø32 mm) | Nickel plating | ||
| Cast iron (ø40 to ø100 mm) | Zinc chromate | |||
| Knuckle Pin | Carbon steel | - | ||
| Clevis Pin | Carbon steel | - | ||
| Pivot bracket | Carbon steel (ø20 to ø63 mm) | Nickel plating | ||
| Cast iron (ø80 mm, ø100 mm) | Nickel plating | |||
| Mounting Bolt | Carbon steel | Nickel plated | ||
| Retaining Ring | Carbon tool steel | Phosphate coating | ||
Mounting Procedure
Trunnion mounting procedure
Follow the procedures in the above figure when mounting a pivot bracket on the trunnion.
Clevis mounting procedure
Follow the procedures in the above figure when mounting a pivot bracket on the clevis.
Dimensions (Dimensions Other Than Those Shown Below Are Same As Standard Type)
Rubber Bumper Dimensions
(Units: mm)
| Tube Internal Diameter | (E1) | *E | (F1) | *F | GA | S | TA | WA | ZZ | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rc | NPT | G | Male thread | Female Thread | ||||||||
| 32 | 17 | 18 | 2 | 2 | 18 | 16.5 | 77 (85) | 17 | 22 | 119 (127) | 93 (101) | |
| 40 | 21 | 25 | 2 | 2 | 19 | 19 | 84 (93) | 18 | 23 | 136 (145) | 101 (110) | |
- *Dimensions marked with * are the same as the standard type.
- *Dimensions inside () are for long strokes.
Diagram
Rubber bumper diagram
Component Parts
| Number | Name | Material | Notes |
|---|---|---|---|
| 1 | Rod cover | Aluminum alloy | Hard anodized aluminum |
| 2 | Tube Cover | Aluminum alloy | Hard anodized aluminum |
| 3 | Piston | Aluminum alloy | - |
| 4 | Piston rod | Stainless steel | For ø20 mm, ø25 mm with built-in magnet |
| Carbon steel* | Hard chrome plating* | ||
| 5 | Bushing | Resin/Copper alloy (Multiple layers) | - |
| 6 | Bumper | Resin | Common for ø32 and higher |
| 7 | Damper | Resin | |
| 8 | Retaining Ring | Stainless steel | Not available for ø80 mm, ø100 mm |
| 9 | Wear Ring | Resin | - |
| 10 | Rod End Nut | Carbon steel | Zinc chromate |
| 17 | Head cover | Aluminum alloy | Hard anodized aluminum |
| 18 | Cylinder Tubing | Aluminum alloy | Hard anodized aluminum |
| 19 | Rod Seal | NBR | - |
| 20 | Piston Seal | NBR | - |
| 21 | Tube Gasket | NBR | - |
*For cylinders with auto switches, a magnet is attached to the piston.
*The material for ø20 mm and ø25 mm cylinders with auto switches is stainless steel.
Replacement Parts / Seal Kit
| Tube Inner Diameter (mm) | Order Number | Contents |
|---|---|---|
| 20 | CG1N20Z-PS | Set of (19), (20) and (21) |
| 25 | CG1N25Z-PS | |
| 32 | CG1N32Z-PS | |
| 40 | CG1N40Z-PS |
*See the product specific precautions in the SMC catalog for information regarding dismantling and replacement.
Order using the order number for each type and bore size.
- *The seal kit includes a grease pack (10 g).
Order with the following part number when only the grease pack is needed.
Grease part number: GR-S-010 (10 g)
*See the SMC catalog for other specifications, basic types, dimensions of included fittings, etc.