Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 150mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke150 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S
The AirTAC ACQJ32X150-20S is a double-acting, single-rod JIS compact cylinder built for applications requiring precise extend positioning. An external M12x1.25 threaded stop and lock nut limits the rod extension, allowing you to tune the usable extend range from 130mm up to the full 150mm stroke directly on the machine. The retract stroke remains completely unaffected by this adjustment.
Because the adjuster only restricts travel length and not piston area, output force is identical to a standard ACQ of the same bore. This long-stroke made-to-order variant (exceeding the standard 100mm max for 32mm bores) delivers a 402.1N push at 0.5 MPa. It features a 16mm piston rod, a PT1/8 port, fixed elastomer bumpers, and a built-in magnet (-S) compatible with reed or electronic solid-state switches.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 150 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 ACQJ32X150-20S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | 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 ACQJ32X150-20S Is Used
CNC Tooling Changeover
Dial in the exact extend stop from 130 to 150mm when swapping machining fixtures, ensuring tools contact the workpiece correctly without remounting hardware.
Variable Carton Sealing
Adjust the extend end position on the fly to accommodate different box heights on a packaging line, using the external stop to set precise flap folding depth.
Assembly Press Trials
Fine-tune the pressing depth of pins or rivets during initial machine setup, testing different extend lengths to find the optimal insertion force without swapping cylinders.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20S the Right Cylinder?
Selecting this 32mm bore cylinder provides a 402.1N push and 301.6N pull at 0.5 MPa. If your application requires less force, stepping down to a 25mm bore yields a 245.4N push, while sizing up to a 40mm bore increases output to 628.3N. A fixed-stroke ACQ cylinder is sufficient if your end position never varies. When ordering this adjustable model, confirm the 150mm full stroke, the 20mm adjustment window, the -S magnet, and the default female M8x1.25 rod-end thread.
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 ACQJ32X150-20S FAQ
This cylinder delivers a push force of 402.1N and a pull force of 301.6N at 0.5 MPa, with a push of 562.9N at 0.7 MPa, and a maximum push of 82kgf at 1.0 MPa. The usable extend range is 130-150mm, achieved by shortening the 150mm full stroke by up to the 20mm adjustment window.
No, the adjuster changes only the stroke length, not the piston area, so force remains identical to a standard ACQ. The external M12x1.25 stop limits extension, while fixed elastomer bumpers handle end-of-stroke deceleration. Note that this cylinder does not hold its load on air loss; use an external rod lock for fail-safe holding.
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Related AirTAC ACQJ Compact Cylinders
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