
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X110-40S 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 70 to 110 mm on the machine — no shims, no part change.
The SDAJ100X110-40S is a double-acting, single-rod compact cylinder featuring an external M27x2.0 adjuster screw. This mechanism lets you dial the extend stop precisely between 70 and 110 mm directly on the machine without changing parts. Because the adjuster sets the mechanical stop rather than 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 drastically saves axial mounting depth where a larger profile cylinder will not fit. End-of-stroke energy is managed by a fixed NBR bumper that decelerates the piston, though it is not an adjustable air cushion. Equipped with a built-in piston magnet, this unit supports AirTAC reed or electronic switches for precise position sensing.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X110-40S |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 110 mm |
| Adjustable range | 70 – 110 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 40 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. |
| ×110 | Maximum stroke length in mm. |
| -40 | 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 the 70-110 mm extend stop on a heavy assembly press to apply exactly 3927 N of force at 0.5 MPa without swapping mechanical shims.
Adjust the stroke end-point on the fly for different carton depths, using the M27x2.0 screw to fine-tune the sealing head position during format changeovers.
Lift loads up to 200.2 kg vertically and use the external stop to set exact placement height, knowing the NBR bumper will decelerate the approach.
When sizing this 100 mm bore actuator, evaluate both directions: stepping down to an SDAJ80 yields 2513.3 N of push at 0.5 MPa, while this 100 mm option provides 3927 N. Operating at 0.5 MPa gives a safe working load of roughly 2356 N, translating to a vertical lift capacity of about 200.2 kg with a 2:1 safety margin. Choose this specific model when your setup requires heavy pushing combined with on-site stroke tuning to perfect a trial position.
Confirm the 100 mm bore, 110 mm max stroke, 40 mm adjustment window, and PT3/8 port. The -S code denotes the integrated magnet for electronic or reed sensing, and the rod end accepts a female M18x1.5 thread. Remember that the fixed bumper only decelerates near the end of travel; a plain cylinder does not hold a load on air loss. For secure load holding without live pressure, install an external rod lock or a pilot-operated check valve.
Quick checklist
At 0.5 MPa this 100 mm bore cylinder provides 3927 N of push and 3524.9 N of pull. 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.
The M27x2.0 adjuster screw shortens the extend stroke by up to 40 mm, allowing a usable range of 70 to 110 mm. The -S option includes a built-in piston magnet compatible with AirTAC reed or electronic solid-state switches.
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