Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-30S
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-30S 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 ACQJ32X50-30S
The AirTAC ACQJ32X50-30S is a JIS double-acting compact cylinder featuring an external threaded stop and lock nut to limit the extend end position. You can fine-tune the forward stroke on the machine across a 20 to 50 mm usable range, shortening the 50 mm full stroke by up to 30 mm without swapping parts. The retract distance remains completely unaffected.
Because the piston area stays constant, output force equals a standard ACQ of this bore, delivering 402.1 N push and 301.6 N pull at 0.5 MPa. The 32 mm bore uses a PT1/8 port and a 16 mm rod with an M8x1.25 female thread. It includes a piston magnet for electronic or reed switches, plus fixed NBR elastomer bumpers for end-of-stroke deceleration.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-30S Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-30S |
|---|---|
| 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 ACQJ32X50-30S
| 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 ACQJ32X50-30S Is Used
Machining Fixture Stops
Dial in the exact clamping reach on a CNC fixture during setup, allowing 20 to 50 mm of travel to accommodate different raw casting widths without machining new spacers.
Packaging Changeover
Adjust the product pusher end point on a packaging line for varying carton depths, utilizing the external M12x1.25 stopper screw to switch formats rapidly.
Assembly Press Positioning
Test and set trial end positions for pressing bearings on an assembly line, tweaking the extend distance by up to 30 mm until the optimal insertion depth is verified.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X50-30S the Right Cylinder?
If you need less thrust, the 25 mm bore yields 245.4 N push at 0.5 MPa, whereas stepping up to the 40 mm bore provides 628.3 N push. This 32 mm bore hits a solid middle ground at 402.1 N. If your equipment never requires end-position adjustments, a fixed-stroke ACQ cylinder will suffice. When ordering this adjustable variant, confirm the 50 mm full stroke, the 30 mm window, the S magnet option, and the M8x1.25 female 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 ACQJ32X50-30S FAQ
The usable extend range is 20 to 50 mm, created by subtracting the 30 mm window from the 50 mm full stroke. Force is identical to a standard ACQ: 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.
An external M12x1.25 threaded screw with a lock nut mechanically limits the forward stroke length, leaving the retract stroke unaffected. It does not alter piston area or force. The cylinder uses fixed elastomer bumpers rather than adjustable air cushions, and the built-in S magnet is compatible with both reed and solid-state electronic switches.
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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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