Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB
The AirTAC Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB is a genuine double-acting COMPACT cylinder (Ø40mm bore) whose extend end-position is set by an external M12×1.25 adjustment screw. You can dial the stroke anywhere from 15 to 65 mm on the machine — no shims, no part change.
- BoreØ40 mm
- Max stroke65 mm
- Adjustable range15–65 mm
- Adjuster threadM12×1.25
- 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 SDAJ40X65-50SB
The AirTAC SDAJ40X65-50SB is a compact double-acting single-rod cylinder engineered for on-site extend positioning. Its external M12x1.25 adjuster screw lets you dial the forward stop anywhere between 15 and 65 mm without changing parts. Because the mechanism sets the mechanical stop rather than altering the piston area, output force remains identical to a standard SDA of this bore, delivering 628.3 N of push at 0.5 MPa.
This variant includes a built-in piston magnet for AirTAC reed or electronic switches and a male M14x1.5 piston rod thread. The short riveted body drastically reduces axial mounting depth where a larger profile cylinder will not fit. End-of-travel shock is handled by a fixed NBR bumper that decelerates the stroke, which is not an adjustable air cushion.
Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB Technical Specifications
| Model | Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Max stroke | 65 mm |
| Adjustable range | 15 – 65 mm |
| Adjuster thread (R) | M12×1.25 |
| Port size | PT1/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M8×1.25 F / M14×1.5 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.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SDAJ40X65-50SB
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 40 | Bore size in mm. |
| ×65 | 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).
Where the Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB Is Used
Adjustable Clamping Press
Dial in the 15-65 mm extend stop during setup to clamp varied material thicknesses without swapping fixtures, leveraging the 628.3 N push force.
Variable-Length Diverter
Tune the stroke on the machine to deflect different carton sizes on a packaging line, using the male M14x1.5 rod to mount custom guide arms.
Trial Lift Station
Safely test vertical lifts up to 32 kg with a 2:1 margin, adjusting the stop screw to find the exact raise height before finalizing the cycle.
Is the Airtac SDAJ32~40 Adjustable Super Slim Cylinder SDAJ40X65-50SB the Right Cylinder?
When sizing this 40 mm bore, compare it both ways using 0.5 MPa push force: stepping down to an SDAJ32 yields 402.1 N, while stepping up to an SDAJ50 provides 981.7 N. This model's 628.3 N output translates to a safe working load of roughly 377 N (about 60 percent of capacity) or a vertical lift of approximately 32 kg with a 2:1 safety margin. Choose this unit for changeover-heavy lines needing frequent extend tuning.
Confirm the 40 mm bore, 65 mm maximum stroke, 50 mm adjust window, and PT1/8 port. This configuration includes the -S magnet for position sensing and the -B male M14x1.5 rod end. Remember that a plain cylinder does not hold its load on air loss or valve centering; the piston drifts. For load holding without live pressure, install an external rod lock or a pilot-operated check valve.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Target position within 15–65 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 M12×1.25 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 SDAJ40X65-50SB FAQ
At 0.5 MPa it provides 628.3 N push and 527.8 N pull. At 0.7 MPa it provides 879.6 N push and 738.9 N pull. The theoretical maximum push is 128 kgf at 1.0 MPa.
Turning the R (M12x1.25) screw shortens the extend stop by up to 50 mm, giving a usable 15-65 mm range. The built-in -S magnet works with AirTAC reed or electronic switches for position sensing.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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