Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20SB
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20SB 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 ACQJ32X150-20SB
The ACQJ32X150-20SB is a double-acting JIS compact cylinder featuring a 32mm bore and a 150mm total stroke. As a long-stroke made-to-order variant exceeding the 100mm standard maximum for this bore size, it integrates an external threaded stop with a lock nut to govern the extend endpoint. You can fine-tune the forward stroke anywhere between 130mm and 150mm directly on your machinery, while the retract distance remains completely unaffected.
Because the adjuster alters only the travel length, the piston area stays the same, yielding force identical to a standard ACQ of this bore: 402.1N push and 301.6N pull at 0.5MPa. This SB configuration includes a male M14x1.5 rod-end thread for direct load coupling and a built-in piston magnet compatible with reed or solid-state switches. It utilizes a PT1/8 port, a 16mm rod, and relies on fixed NBR elastomer bumpers at each end for end-of-travel deceleration.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20SB Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20SB |
|---|---|
| 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 ACQJ32X150-20SB
| 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 ACQJ32X150-20SB Is Used
Machining Fixture Positioning
Dial in the exact clamping reach on a CNC machining fixture between 130mm and 150mm to accommodate raw material blanks of varying widths without swapping out cylinder hardware.
Product Changeover Diverter
Adjust the extend stop on a packaging line conveyor diverter to hit a new end position precisely, accommodating different carton sizes during rapid product changeovers.
Assembly Press Stroke Setup
Establish trial end positions for an automated assembly press, fine-tuning the 20mm window to gently seat components before finalizing the mechanical stop distance.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X150-20SB the Right Cylinder?
Selecting this 32mm bore provides 402.1N push at 0.5MPa; if your application requires less force, stepping down to a 25mm bore yields 245.4N, whereas scaling up to a 40mm bore offers 628.3N. If exact 130-150mm extend tuning is unnecessary, a fixed-stroke ACQ cylinder suffices. When ordering this long-stroke adjustable variant, confirm the 32mm bore, 150mm full stroke, 20mm window, the S magnet option, and the B male rod 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 ACQJ32X150-20SB FAQ
This 32mm bore cylinder 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 total stroke is 150mm, but the external M12x1.25 adjuster allows you to shorten the extend travel by up to 20mm, providing a usable extend range of 130mm to 150mm.
No, the adjuster only limits how far the rod extends, so the force remains identical to a standard ACQ because the piston area is unchanged. The cylinder uses fixed elastomer bumpers rather than adjustable air cushions, and it will not hold a load if air pressure is lost; for fail-safe load holding, you must add an external rod lock or pilot-operated check valve.
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Related AirTAC ACQJ Compact Cylinders
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