The AirTAC AirTAC SDA63X50S Compact Cylinder | 63mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø63mm bore and 50mm stroke, PT1/4 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA63X50S is a double-acting, single-rod compact cylinder engineered to deliver a substantial 1558.6 N push force at 0.5 MPa. Its riveted assembly merges the barrel, rear cover, piston, and rod into a highly shortened unit, drastically reducing axial mounting depth compared to conventional round-body designs. The 63 mm bore features a hard-anodized inner wall and a two-way piston seal for reliable pneumatic performance.
This specific model includes the -S option, meaning it has a built-in piston magnet designed to interface with AirTAC magnetic reed or electronic switches via the body grooves. It operates at speeds between 30 and 500 mm/s, utilizing a fixed NBR bumper at each end to decelerate the stroke end. Note that this bumper is not an adjustable air cushion, so external shock absorbers are recommended for high-energy cycles.
| Model | AirTAC SDA63X50S Compact Cylinder | 63mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø63 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| 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 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Provides robust 1558.6 N push force to eject dense plastic parts from injection molding tools where short machine footprint depth is critical.
Pushes heavy loaded pallets sideways on a conveyor line, utilizing the 20 mm piston rod to handle high side-load rejection forces.
Drives mechanical arms to fold heavy corrugated carton flaps at speeds up to 500 mm/s before the sealing station.
When sizing this actuator, consider stepping down to the SDA50, which provides 981.7 N of push force at 0.5 MPa, or moving up to the SDA80, which yields 2513.3 N at the same pressure. For the SDA63X50S, the computed safe working load is approximately 935 N (about 60% of the 1558.6 N figure), allowing for a vertical lift of roughly 79.4 kg with a 2:1 safety margin. Keep in mind that a standard compact cylinder will drift and cannot hold a load if air pressure is lost or the valve is centered; maintaining vertical loads requires an external rod lock or a pilot-operated check valve. To order, confirm the 63 mm bore, 50 mm stroke, PT1/4 port, built-in magnet (S), and the default female M10x1.5 rod-end thread.
Quick checklist
At 0.5 MPa, the push force is 1558.6 N and the pull force is 1401.5 N. At 0.7 MPa, the push force is 2182.1 N and the pull force is 1962.2 N. The theoretical maximum push force is 318 kgf at the maximum operating pressure of 1.0 MPa.
No, the fixed NBR bumper only decelerates the piston near the stroke end and does not act as a lock or brake. If air is lost, the piston will drift. To hold a vertical load securely, you must add an external rod lock or a pilot-operated check valve to the system.
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