
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X75-10 is a genuine double-acting COMPACT cylinder (Ø100mm bore) whose extend end-position is set by an external M27×2.0 adjustment screw. You can dial the stroke anywhere from 65 to 75 mm on the machine — no shims, no part change.
The AirTAC SDAJ100X75-10 is a double-acting compact cylinder featuring an external R (M27x2.0) adjuster screw that lets you dial the extend stop precisely between 65 and 75 mm directly on your machine. Because the adjuster sets the mechanical stop rather than altering the piston area, you retain the full standard SDA thrust of 3927 N push at 0.5 MPa. This SKU ships without a piston magnet, so it cannot host reed or electronic switches unless you specify the -S variant.
Its short riveted body drastically reduces axial mounting depth where a larger profile unit will not fit. End-of-stroke energy is managed solely by a fixed NBR bumper that decelerates the impact; it is not an adjustable air cushion. For high kinetic energy approaches, consider slowing the piston or adding an external shock absorber.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X75-10 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 75 mm |
| Adjustable range | 65 – 75 mm |
| Adjuster thread (R) | M27×2.0 |
| Port size | PT3/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M18×1.5 F / M26×1.5 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 10 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Force matches a standard SDA of the same bore; the adjuster only sets the stop position, not the area. Actual usable force is lower than theoretical due to friction.
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 100 | Bore size in mm. |
| ×75 | Maximum stroke length in mm. |
| -10 | 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 65-75 mm extend stop during initial tooling commissioning to set precise forming depth without machining new spacers.
Apply the 3927 N push at 0.5 MPa to secure heavy castings, using the adjuster to accommodate varying part tolerances on the fly.
Lift loads up to roughly 200.2 kg with a 2:1 safety margin, tweaking the R screw to set exact upper travel limits without part changes.
When sizing this 100 mm bore, evaluate your neighbours: stepping down to SDAJ80 yields 2513.3 N push at 0.5 MPa, while this SDAJ100 provides 3927 N. The 10 mm adjustment window is ideal for final trial positioning during heavy setup changeovers. Confirm your requirements for bore, stroke, window, PT3/8 port, and the female M18x1.5 rod thread.
A plain actuator cannot hold a load if air pressure drops or the valve centres—the piston will drift. The fixed bumper only decelerates near the end of travel and the R screw is a stop, not a mid-stroke lock. To suspend a vertical load safely, install an external rod lock or a pilot-operated check valve.
Quick checklist
At 0.5 MPa this 100 mm bore delivers 3927 N push and 3524.9 N pull. At 0.7 MPa it provides 5497.8 N push and 4934.8 N pull. The theoretical maximum push is 801 kgf at 1.0 MPa.
Turning the M27x2.0 adjuster screw shortens the extend end-position by up to 10 mm, giving a usable range of 65 to 75 mm. It functions purely as a mechanical stop and does not alter the cylinder's force output.
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