
The AirTAC SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X100-75S is a genuine double-acting COMPACT cylinder (Ø32mm bore) whose extend end-position is set by an external M10×1.25 adjustment screw. You can dial the stroke anywhere from 25 to 100 mm on the machine — no shims, no part change.
The AirTAC SDAJ32X100-75S is a double-acting compact cylinder featuring an external adjustable extend stop. By turning the R (M10x1.25) screw, you can dial the extend stroke down by up to 75 mm, yielding a usable range of 25 to 100 mm directly on the machine without changing parts.
Its short riveted body minimizes axial mounting depth where a longer cylinder would not fit, while the built-in magnet (-S) supports AirTAC reed or electronic solid-state switches for position sensing. End-of-travel deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion.
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X100-75S |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Max stroke | 100 mm |
| Adjustable range | 25 – 100 mm |
| Adjuster thread (R) | M10×1.25 |
| Port size | PT1/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M6×1.0 F / M10×1.25 male (B) |
| 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) |
The adjustment screw shortens the extend stroke by up to 75 mm. SDAJ is a double-rod cylinder. Specifications follow the official AirTAC SDAJ datasheet.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
SDAJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative), lower than a single-rod SDA push of the same bore. Actual usable force is lower than theoretical due to friction.
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | Maximum stroke length in mm. |
| -75 | Adjustable window (10/20/30/40/50/75/100 mm). |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related SDA-family variants: SDA (fixed stroke), SDAD (double rod), SSA/STA (single acting), SDAT (duplex), SDAW (duplex-end).
Dial in the 25-100 mm extend stop during part changeovers to clamp raw billets of varying widths without swapping out cylinder hardware.
Use the fine-tuning capability to probe delicate samples at exact extensions, ensuring the NBR bumper absorbs the final impact without crushing the specimen.
Choose this specific model if your fixture requires frequent on-site stroke tuning or trial positioning.
Verify your parameters: 32 mm bore, 100 mm maximum stroke, 75 mm adjust window, PT1/8 port, female M6x1.0 rod thread, and the included magnetic piston. Remember that a standard cylinder does not hold a load when air is lost or the valve is centered; the fixed bumper only decelerates near the end of travel. For load holding without live pressure, install an external rod lock or a pilot-operated check valve.
Quick checklist
The theoretical maximum push is 82 kgf at 1.0 MPa.
The R (M10x1.25) screw shortens the extend stroke by up to 75 mm, allowing a usable range of 25 to 100 mm. The -S option includes a built-in piston magnet compatible with AirTAC reed or electronic switches for position sensing.
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