
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X60-50 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 10 to 60 mm on the machine — no shims, no part change.
The AirTAC SDAJ100X60-50 is a compact double-acting single-rod cylinder built for heavy-duty positioning where the extend endpoint requires on-site dialling. An external R (M27x2.0) adjuster screw lets you shorten the forward stroke by up to 50 mm, yielding a usable extend range of 10 to 60 mm without changing parts. Because the adjuster sets the mechanical stop rather than altering the piston area, output force remains identical to a standard SDA of this bore, delivering 3927 N of push at 0.5 MPa.
The short riveted body significantly reduces axial mounting depth compared to conventional round-body or profile cylinders, fitting large-bore power into tight machine footprints. End-of-travel deceleration is handled by a fixed NBR bumper at each end, which absorbs shock but is not an adjustable air cushion. Note that this specific SKU lacks a piston magnet, so it cannot support reed or electronic sensing without upgrading to the -S variant.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X60-50 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 60 mm |
| Adjustable range | 10 – 60 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 50 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. |
| ×60 | Maximum stroke length in mm. |
| -50 | 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 exact 10 to 60 mm insertion depth for heavy bearings on a machining line, relying on the 3927 N push force to seat components without over-traveling.
Quickly readjust the extend stop via the M27x2.0 screw when swapping large production fixtures, saving axial space in the cell with the compact riveted body.
Handle payloads up to roughly 200.2 kg with a 2:1 safety margin, using the adjustable mechanical stop to set precise upper travel limits without needing custom shims.
When sizing this 100 mm bore actuator, compare its 3927 N push at 0.5 MPa against the neighbouring SDAJ80, which provides 2513.3 N at the same pressure. Dropping down to the 80 mm bore saves space if your application only needs around 2513 N, whereas stepping up to this 100 mm option is necessary for heavier payloads requiring a safe working load of roughly 2356 N (about 60 percent of the 0.5 MPa push figure) or a vertical lift capacity near 200.2 kg with a 2:1 safety margin.
Choose this model if your fixture or press requires frequent changeovers and precise endpoint tuning directly on the machine floor. Confirm your parameters match the 100 mm bore, 60 mm maximum stroke, 50 mm adjust window, and PT3/8 port. Keep in mind that a plain SDAJ does not hold position or load when air is lost or the valve is centred; 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
This 100 mm bore double-acting cylinder delivers a push force of 3927 N and a pull force of 3524.9 N at 0.5 MPa. At 0.7 MPa, push increases to 5497.8 N and pull to 4934.8 N. The theoretical maximum push is 801 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa and an operating speed of 30-500 mm/s.
Turning the external R (M27x2.0) screw mechanically shortens the extend stop, allowing you to set the forward stroke anywhere between 10 and 60 mm. The screw acts only as a mechanical end stop and does not alter the cylinder's force or lock the piston mid-stroke. For load holding on air loss, you must use an external rod lock or pilot-operated check valve.
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