Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 80mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke80 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B
The ACQJ32X80-40B is a double-acting JIS compact cylinder with an 80mm full stroke and a 40mm external adjustment window. An external M12x1.25 threaded stop with a lock nut lets you set the extend end position anywhere from 40mm up to the full 80mm. The retract stroke remains completely unaffected by this mechanism. Because the piston area is unchanged, the output force is identical to a standard ACQ of the same bore, giving 402.1N of push force at 0.5 MPa.
This variant includes a male M14x1.5 piston rod end for direct load coupling and uses PT1/8 ports. The body incorporates fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. While it ships without a magnet, the barrel retains magnetic-switch grooves for adding sensors later. Operating pressure ranges from 0.15 to 1.0 MPa, with a maximum speed of 500 mm/s.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 80 mm |
| Adjuster thread | M12×1.25 |
| Port size | PT1/8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Rod thread | M8×1.25 (F) / M14×1.5 (B) |
Specifications follow the official AirTAC ACQJ datasheet. The adjustable stop shortens the EXTEND stroke only; the piston area — and therefore the force — is the same as a standard ACQ of this bore. Adjustable window options: 10/20/30/40/50/75/100 mm.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 302 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Force equals a standard ACQ of the same bore — the adjuster changes stroke length, not piston area. Actual usable force is lower due to friction; size with a safety margin.
Model Code: Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | Full stroke length in mm. |
| -0 | Adjustable window in mm (extend stroke can be shortened by up to this). |
| S / B | Magnet (S) / male-thread rod (B); omit for none / female thread. |
Thread: PT standard (G / NPT available). Related: ACQ (fixed stroke), ACQD (double rod), TACQ (guided / non-rotating).
Where the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B Is Used
Machining Fixture Stops
Dial in the exact extend position for varying raw material thicknesses on a CNC lathe without machining new stop blocks.
Carton Flap Tucking
Adapt the extend reach on the fly during a packaging line changeover to accommodate different box dimensions.
Assembly Press Trial
Safely test and incrementally adjust the extend end position for a press operation before finalizing the mechanical stop distance.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B the Right Cylinder?
When sizing this 32mm bore actuator, consider the 402.1N push and 301.6N pull forces at 0.5 MPa. If your application requires less force, stepping down to a 25mm bore provides 245.4N of push, while moving up to a 40mm bore yields 628.3N. A standard fixed-stroke ACQ32 cylinder is sufficient if your end position never varies, but this ACQJ model is necessary for setups requiring on-the-fly stroke tuning. To order, confirm the 32mm bore, 80mm full stroke, 40mm adjustment window, the male rod thread (-B), and whether you need a magnet (-S) for later sensor integration.
Quick checklist
- ✓ Need on-machine end-position tuning?
- ✓ Full stroke and adjust window (mm)
- ✓ Force at your working pressure
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
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 adjuster nut after setting the stop.
- check The stop limits the EXTEND stroke only.
- check Avoid side load on the short piston rod.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40B FAQ
The usable extend range is 40-80mm (80mm full stroke minus the 40mm window). Force is identical to a standard ACQ: push is 402.1N and pull is 301.6N at 0.5 MPa, push is 562.9N at 0.7 MPa, and maximum push is 82kgf at 1.0 MPa.
An external M12x1.25 threaded stop with a lock nut limits the extend distance without changing the piston area, so force remains constant. The cylinder uses fixed NBR elastomer bumpers, not adjustable air cushions. It will not hold a load on air loss; use an external rod lock or pilot-operated check valve for fail-safe holding.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Related AirTAC ACQJ Compact Cylinders
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