The AirTAC AirTAC SDA63X65BH Compact Cylinder | 63mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø63mm bore and 65mm 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 SDA63X65BH is a double-acting, single-rod compact cylinder engineered to deliver a robust 1558.6 N push force at 0.5 MPa. Its riveted body assembly significantly reduces axial mounting depth compared to traditional round-body units, saving valuable machine footprint in tight assemblies. The bore is hard-anodized and utilizes a two-way piston seal for reliable performance.
This specific configuration includes a male M18x1.5 threaded piston rod for secure mechanical coupling to your load. It also features an FKM (fluororubber) seal option for enhanced resistance to higher temperatures and oil. The unit relies on a fixed NBR bumper at each end to decelerate the stroke, and operates without a piston magnet, meaning it cannot directly host magnetic switches.
| Model | AirTAC SDA63X65BH Compact Cylinder | 63mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø63 mm |
| Stroke | 65 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. |
| ×65 | 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).
Drives ejection pins in plastic injection molding machines where the FKM seals withstand residual heat and the male M18x1.5 rod securely pushes heavy molded parts out of the cavity.
Folds top flaps on corrugated cardboard cartons in high-speed packaging lines, utilizing the 1558.6 N extend force to cleanly crease heavy-duty Kraft paper before sealing.
Locks heavy cast iron automotive blanks onto machining centers; the short riveted body minimizes protrusion into the work envelope while delivering 1401.5 N retract force to hold the fixture tight.
When sizing this unit, 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. A safe working load for this 63mm bore is approximately 935 N (about 60% of the 0.5 MPa figure), translating to a vertical lift capacity of roughly 79.4 kg with a 2:1 safety margin. Be aware that a standard 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. Confirm your ordering essentials: 63mm bore, 65mm stroke, PT1/4 port, male M18x1.5 rod thread, FKM seals, and no magnet.
Quick checklist
This double-acting cylinder provides a push force of 1558.6 N and a pull force of 1401.5 N at 0.5 MPa. At 0.7 MPa, the push increases to 2182.1 N. The theoretical maximum push is 318 kgf at 1.0 MPa. It operates within a pressure range of 0.15-1.0 MPa, handles speeds of 30-500 mm/s, and functions in temperatures from -20 to +70 C.
No, this model uses a fixed NBR bumper at each end to decelerate the stroke end, which is not a field-adjustable air cushion; for high kinetic energy loads you should add an external shock absorber. Additionally, this SKU lacks the -S piston magnet, so it cannot host reed or electronic switches. The -B designation indicates it has a male M18x1.5 rod thread instead of the standard female M10x1.5.
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