Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 250mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke250 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30
The ACQJ32X250-30 is a double-acting JIS compact cylinder with an external threaded stop and lock nut that limits the extend end position. You can fine-tune the usable extend travel from 220mm up to the full 250mm directly on the machine, while the retract stroke remains completely unaffected. Because the adjuster only alters stroke length and not piston area, the output force matches a standard ACQ of the same bore exactly.
This long-stroke made-to-order variant supplies a 250mm travel for a 32mm bore, exceeding the 100mm standard maximum. It features a 16mm piston rod, a PT1/8 port, and fixed NBR elastomer bumpers at both ends for end-of-travel deceleration. The body includes magnetic-switch grooves, though this specific configuration ships without a magnet.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30 Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 250 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 ACQJ32X250-30
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×250 | 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 ACQJ32X250-30 Is Used
Machining Fixture Stops
Dial in the extend position from 220 to 250mm on a CNC fixture to accommodate varying raw part lengths without machining new stop collars.
Carton Changeover
Rapidly reposition the extend end-stop during packaging line format changeovers to handle different box widths on the fly.
Press Trial Positions
Iteratively test and set the exact end-of-stroke contact point on a stamping press during initial tool setup using the external lock nut.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X250-30 the Right Cylinder?
If 402.1N of push force at 0.5MPa is excessive, stepping down to the 25mm bore yields 245.4N, whereas sizing up to the 40mm bore provides 628.3N. A standard fixed-stroke ACQ32 is adequate if your end position never requires shifting. When ordering this unit, verify the 32mm bore, 250mm full stroke, 30mm adjustment window, female M8x1.25 rod thread, and confirm whether a -S magnet is needed for sensing.
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 ACQJ32X250-30 FAQ
It delivers 402.1N push and 301.6N pull at 0.5MPa, 562.9N push at 0.7MPa, and a maximum push of 82kgf at 1.0MPa. The full stroke is 250mm with a 30mm adjustment window, yielding a usable extend range of 220-250mm. Retract travel stays fixed.
An external M12x1.25 threaded stop with a lock nut limits the extend stroke, leaving force unchanged from a standard ACQ. Fixed NBR bumpers decelerate the piston at travel ends, but a plain cylinder drifts on air loss, so add an external rod lock for fail-safe load holding.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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