Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 50mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke50 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB
The AirTAC ACQJ32X50-50SB is a double-acting JIS compact cylinder with an external threaded stop and lock nut that limits the extend end position. The full stroke is 50mm and the adjustable window is 50mm, giving a usable extend range of 0-50mm. The retract stroke remains unaffected. An external M12x1.25 adjuster screw lets you fine-tune the extend endpoint on the machine without swapping parts.
Because the piston area is unchanged, the force is identical to a standard ACQ of the same bore: 402.1N push and 301.6N pull at 0.5MPa, up to 562.9N push at 0.7MPa and a maximum of 82kgf at 1.0MPa. This 32mm bore unit features a 16mm rod, a male M14x1.5 rod-end thread for direct load coupling, a PT1/8 port, and fixed elastomer bumpers at both ends. The built-in piston magnet works with reed or electronic solid-state switches.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 50 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 ACQJ32X50-50SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 ACQJ32X50-50SB Is Used
Machining Fixture Stops
Dial in the extend endpoint on a CNC machining fixture when raw material thickness varies, using the external stop to set the exact clamping position without reprogramming.
Assembly Line Changeover
Adapt a pressing station during product family changeovers by rotating the M12x1.25 adjuster screw to shift the extend stroke within the 0-50mm window for new component heights.
Packaging Machine Setup
Find the ideal sealing or folding position on a packaging line by running trial end positions, then locking the nut to secure the precise extend distance.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-50SB the Right Cylinder?
If your setup needs less push force, the 25mm bore yields 245.4N at 0.5MPa; for higher force, step up to the 40mm bore which provides 628.3N. If your end position never varies, a fixed-stroke ACQ cylinder is sufficient. To order this unit confirm the 32mm bore, 50mm full stroke, 50mm window, the -S magnet, 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 ACQJ32X50-50SB FAQ
The force is identical to a standard ACQ: 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 50mm with a 50mm adjustable window, giving a usable extend range of 0-50mm. The retract stroke is unaffected.
An external M12x1.25 threaded stop with a lock nut limits the extend stroke only; it changes stroke length but not force. Fixed elastomer bumpers decelerate the piston at both ends. For fail-safe load holding on air loss, add an external rod lock or pilot-operated check valve, as the plain cylinder drifts.
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Genuine AirTAC parts produced by AirTAC factory.
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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