Airtac SCD Standard Cylinder SCD63X60
The AirTAC Airtac SCD Standard Cylinder SCD63X60 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø20mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø63mm bore, 60mm stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Rod (both ends)Ø20 mm
- Stroke60 mm
- Port sizePT1/4
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD63X60
The SCD63X60 is a double-acting, double-rod pneumatic cylinder built on AirTAC's robust tie-rod platform. Its defining feature is the continuous piston rod that extends from both ends, ensuring the effective pressure area—and therefore the output force—is identical in both directions. At 0.5 MPa, this model provides a balanced 1402 N of thrust for both push and pull strokes, making it ideal for applications requiring symmetric motion control.
With a 60 mm stroke and a 20 mm diameter rod protruding from each cap, the SCD63X60 offers inherent resistance to rod rotation and better bearing support than a single-rod equivalent. The cylinder body length (A dimension) is 210 mm, and it includes an adjustable air cushion with a 28 mm cushion length to decelerate the piston smoothly at the end of travel. It operates on filtered air at 0.15-1.0 MPa and uses standard PT1/4 ports.
Airtac SCD Standard Cylinder SCD63X60 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD63X60 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø63 mm |
| Rod diameter | Ø20 mm (both ends) |
| Stroke | 60 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø63mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCD Standard Cylinder SCD63X60
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 63 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCD Standard Cylinder SCD63X60 Is Used
Symmetric Transfer Shuttles
The equal push/pull force of 1402 N at 0.5 MPa makes the SCD63X60 perfect for short-stroke transfer shuttles where a tooling plate is mounted on one end and a counterbalance or secondary operation tool on the rear rod.
Anti-Rotation Pressing
With a 20 mm rod guided through both end caps, this cylinder provides superior resistance to rod deflection. Use it for light pressing or stamping where a single-rod cylinder's piston would be prone to rotating under load.
Dual-End Stroke Sensing
The rear rod extension provides a convenient, clean surface for mounting a sensor flag or cam. This allows position feedback switches to be placed on the back of the cylinder, keeping the front work area clear for tooling.
Is the Airtac SCD Standard Cylinder SCD63X60 the Right Cylinder?
Select the SCD63X60 when you need a compact 60 mm stroke with equal bidirectional force. If your load requires more thrust, stepping up to the SCD80 bore provides 2268 N at the same 0.5 MPa pressure. Conversely, if 1402 N exceeds your requirement and you need a lighter, faster actuator, the SCD50 bore delivers 825 N. For applications where only one rod end is needed for work, the standard SC single-rod cylinder is a more economical choice. This SCD model is a direct dimensional replacement only for another AirTAC SCD63 cylinder matching the 60 mm stroke, PT port thread, and basic mounting configuration.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD63X60 FAQ
Because the piston rod passes through both ends of the cylinder, the push and pull forces are identical. At the standard operating pressure of 0.5 MPa, the output force is 1402 N in both directions. At the maximum operating pressure of 0.9 MPa, the force increases to 2523 N.
Choose the SCD when you need a rear rod extension for mounting a limit switch cam, a secondary tool, or a manual adjustment knob. The through-rod design also provides better guidance and inherent anti-rotation compared to a single-rod cylinder, though it is not a substitute for a fully guided unit under high side loads.
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