Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B
The AirTAC Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B 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 30 to 70 mm on the machine — no shims, no part change.
- BoreØ32 mm
- Max stroke70 mm
- Adjustable range30–70 mm
- Adjuster threadM10×1.25
- Port sizePT1/8
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B
The AirTAC SDAJ32X70-40B is a compact double-acting single-rod cylinder featuring an external extend stop. A front M10x1.25 adjuster screw lets you dial the forward stroke anywhere from 30 to 70 mm directly on the machine, eliminating the need for shims or part swaps during setup. Because the mechanism only limits travel, output force remains identical to a standard SDA of this bore, delivering 402.1 N push at 0.5 MPa.
Its short riveted body drastically reduces axial mounting depth, fitting where round-body or profile cylinders cannot. This specific SKU includes a male M10x1.25 piston rod end and uses a PT1/8 air port. End-of-travel shock is handled by a fixed NBR bumper, which decelerates the piston but is not an adjustable air cushion.
Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B Technical Specifications
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Max stroke | 70 mm |
| Adjustable range | 30 – 70 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 40 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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.
Model Code: Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 32 | Bore size in mm. |
| ×70 | 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).
Where the Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B Is Used
Trial Positioning Jigs
Dial the M10x1.25 screw to find the exact 30-70 mm extend point during prototype runs before locking down the final mechanical stop.
Quick Changeover Lines
Swap product families fast by turning the external adjuster to shorten the extend stroke, avoiding teardown to swap cylinders or add shims.
Variable Depth Tamping
Press carton flaps or inserts at different depths on the fly, relying on the 402.1 N push force to seat materials consistently.
Is the Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B the Right Cylinder?
When sizing this 32 mm bore, compare it both ways: stepping down to an SDAJ25 yields 245.4 N push at 0.5 MPa, while stepping up to an SDAJ40 provides 628.3 N push at 0.5 MPa. For this model, a safe working load is approximately 241 N (about 60% of the 402.1 N figure), allowing a vertical lift of roughly 20.5 kg with a 2:1 safety margin.
Choose this unit when your fixture requires frequent on-site stroke tuning between 30 and 70 mm. It operates at 30-500 mm/s and carries no piston magnet, so position sensing is not possible without the -S variant. Remember that a plain cylinder does not hold a load on air loss or valve centering; the fixed bumper only decelerates near the end. For load holding without live pressure, install an external rod lock or pilot-operated check valve.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Target position within 30–70 mm
- ✓ Force at your working pressure
- ✓ Access to reach the R adjuster
- ✓ Magnet (S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Lock the M10×1.25 adjuster after setting the stroke.
- check Avoid side load on the piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ32X70-40B FAQ
At 0.5 MPa it provides 402.1 N push and 345.6 N pull. At 0.7 MPa it provides 563 N push and 483.8 N pull. The theoretical maximum push is 82 kgf at 1.0 MPa.
The R (M10x1.25) screw shortens the forward stroke by up to 40 mm, giving a usable extend range of 30-70 mm. The -B code means the piston rod has a male M10x1.25 thread end instead of the default female M6x1.0.
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