Airtac SCD Standard Cylinder SCD80X100TC
The AirTAC Airtac SCD Standard Cylinder SCD80X100TC is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø80mm bore, 100mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke100 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X100TC
The SCD80X100TC is a double-acting, double-rod pneumatic cylinder where the piston rod extends from both ends, giving you identical push and pull force of 2268 N at 0.5 MPa (4082 N at the maximum 0.9 MPa operating pressure). The 25 mm diameter through-rod provides superior guidance and anti-rotation compared to a single-rod design, making it ideal for applications where you need to mount tooling or sensors on both sides of the actuator.
This specific model is configured with a centre trunnion (TC) mount, which includes the TCM1 bracket and allows the cylinder to pivot, absorbing misalignment in swinging or articulating machine sections. With an 80 mm bore and a 100 mm stroke, it operates on filtered air at 0.15-1.0 MPa, features a 28 mm adjustable air cushion at each end, and has a body length A(SCD) of 257 mm, providing a compact yet powerful solution for dual-sided tasks.
Airtac SCD Standard Cylinder SCD80X100TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X100TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 100 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 (Ø80mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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 SCD80X100TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×100 | 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 SCD80X100TC Is Used
Two-Sided Transfer Shuttles
The rear rod is perfect for coupling to a second tooling plate or a counterbalance mass, ensuring synchronized, equal-speed motion on both sides of a material transfer station.
Non-Rotating Pusher Mechanisms
With a rod secured at both ends, the piston's rotation is inherently resisted, making it suitable for pushing or ejecting parts where a single-rod cylinder would require an external anti-rotate guide.
Rear-Mounted Stroke Sensing
Mount a DMSG magnetic sensor on the rear tie-rod or use the exposed rear rod as a direct mechanical flag to trigger external limit switches, simplifying position feedback without interfering with the front tooling.
Is the Airtac SCD Standard Cylinder SCD80X100TC the Right Cylinder?
Choose the SCD80 when you need the equal bidirectional force of 2268 N at 0.5 MPa. If your application requires more thrust, stepping up to the SCD100 provides 3681 N at the same pressure, while the SCD63 offers a lighter 1402 N. This double-rod cylinder is the right pick when you need to attach a load or sensor to the rear rod; if you only need force from one end, a single-rod SC series cylinder is a simpler and more cost-effective alternative. For a drop-in replacement, match the 80 mm bore, 100 mm stroke, PT port thread, and the TC centre trunnion mounting style (using the F-SC80TC bracket).
For a 100 mm stroke, the rod's unsupported length is short, so side-loading risk is minimal. However, always ensure the load is guided externally, as the through-rod improves guidance but does not turn this tie-rod cylinder into a fully guided unit rated for high direct side forces.
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 SCD80X100TC FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. The effective piston area is the same on both sides. At 0.5 MPa it produces 2268 N, at 0.7 MPa it produces 3175 N, and at the maximum operating pressure of 0.9 MPa it delivers 4082 N of force in either direction.
You would choose an SCD when your application benefits from having a rod on both ends. This allows you to mount tooling on the front and a sensor flag, stopper, or secondary tool on the rear. It also provides equal force and speed in both directions and better inherent rod guidance, which helps resist rotation. If you only need to push from one side, a single-rod SC cylinder is the more economical choice.
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