Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 40mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke40 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40
The AirTAC ACQJ32X40-40 is a double-acting JIS compact cylinder featuring an external threaded stop with a lock nut that limits the extend end position. With a full stroke of 40 mm and a 40 mm adjustment window, you can fine-tune the usable extend range from 0 to 40 mm directly on your machinery. The retract stroke remains completely unaffected by this mechanism.
Because the internal piston area stays constant, output force is identical to a standard ACQ of the same bore. You get 402.1 N push and 301.6 N pull force at 0.5 MPa, while the rod end features an M8x1.25 female thread. The unit relies on a fixed NBR elastomer bumper for end-of-travel deceleration rather than an adjustable air cushion.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40 Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 40 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 ACQJ32X40-40
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×40 | 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 ACQJ32X40-40 Is Used
Fixture Position Tuning
Dial in exact clamping heights on machining fixtures during initial setup without machining custom spacers or swapping cylinder bodies.
Product Changeover Stops
Adjust the extend endpoint on packaging lines rapidly when running different carton sizes, ensuring correct folding and sealing positions.
Assembly Press Trials
Safely test engagement depths on electronic component insertion presses by starting from a short stroke and gradually extending to full reach.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X40-40 the Right Cylinder?
If you need slightly less force, the adjacent ACQJ25 variant provides 245.4 N push at 0.5 MPa, whereas stepping up to the ACQJ40 bore yields 628.3 N. If your application never requires altering the extend endpoint, a fixed-stroke ACQ32 cylinder is the simpler choice. When ordering this model, verify the 32 mm bore, 40 mm full stroke, 40 mm window, female rod thread, and whether your pneumatic control setup requires a separate magnet for sensors.
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 ACQJ32X40-40 FAQ
It delivers 402.1 N push and 301.6 N pull at 0.5 MPa, 562.9 N push at 0.7 MPa, and a maximum push of 82 kgf at 1.0 MPa. The full stroke is 40 mm with a 40 mm adjustment window, providing a usable extend range of 0-40 mm.
The external M12x1.25 threaded stop with lock nut limits only the extend length, meaning force is identical to a standard ACQ since piston area is unchanged. Deceleration is handled by a fixed elastomer bumper, so for high kinetic energy loads you should slow the approach or add an external shock absorber.
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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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Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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