
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X110-40 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 AirTAC SDAJ100X110-40 is a compact double-acting single-rod cylinder built for heavy-duty positioning where footprint depth is restricted. A short riveted body saves axial mounting space compared to conventional large-bore units. It features an external M27x2.0 adjuster screw that lets you dial the extend stop directly on the machine, shortening the forward stroke by up to 40 mm for a usable 70 to 110 mm range without changing parts.
Because the adjuster sets the mechanical stop rather than the piston area, output force remains identical to a standard 100 mm bore SDA, delivering 3927 N of push at 0.5 MPa. The system relies on a fixed NBR bumper at each end to absorb end-of-travel shock rather than an adjustable air cushion. Note that this specific SKU lacks a piston magnet, so it cannot host reed or electronic switches without upgrading to the -S variant.
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X110-40 |
|---|---|
| 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 to 110 mm extend stop on the fly during heavy press tooling changeovers to accommodate varying material thicknesses without machining new spacers.
Leverage the 3927 N push at 0.5 MPa to secure heavy weldments, using the external M27x2.0 screw to fine-tune clamp depth precisely against the workpiece.
Execute trial vertical lifts up to 200.2 kg with a 2:1 safety margin, adjusting the extend endpoint mechanically to test engagement heights before finalizing the cycle.
When sizing this model, evaluate your force requirements against neighbouring bores. Stepping down to the SDAJ80 yields 2513.3 N of push at 0.5 MPa, which may be insufficient for heavy loads, whereas this 100 mm bore provides a robust 3927 N. A practical safe working load is roughly 2356 N (about 60 percent of the 0.5 MPa figure), translating to a vertical lift capacity of approximately 200.2 kg with a 2:1 safety margin. Choose this 100 mm option if your application demands high thrust within a tight axial envelope.
This cylinder is ideal for operators needing on-site stroke tuning during setup or tooling changeovers. Confirm your parameters: 100 mm bore, 110 mm maximum stroke, 40 mm adjust window, PT3/8 port, female M18x1.5 rod thread, and no magnet. Remember that a plain actuator does not hold position upon air loss or valve centring; the fixed bumper only decelerates near the end of travel. For suspended or vertical loads, integrate an external rod lock or pilot-operated check valve.
Quick checklist
This 100 mm bore double-acting cylinder delivers 3927 N push and 3524.9 N pull at 0.5 MPa, 5497.8 N push and 4934.8 N pull at 0.7 MPa, with a theoretical maximum push of 801 kgf at 1.0 MPa.
The M27x2.0 screw mechanically shortens the extend stop from the 110 mm maximum down to 70 mm without altering the output force. It is not a mid-stroke lock; the fixed NBR bumper only decelerates near the end, so you need an external rod lock or pilot-operated check valve to hold a load without air pressure.
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