Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 175mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke175 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100
The AirTAC ACQJ32X175-100 is a double-acting, single-rod JIS compact cylinder built for long-stroke applications, featuring an external threaded stop with a lock nut that limits the EXTEND end position. Because the full stroke is 175 mm and the adjustment window is 100 mm, the usable extend range runs from 75 mm up to 175 mm. The RETRACT stroke remains completely unaffected by this mechanism. This specific 175 mm stroke exceeds the standard 100 mm maximum for a bore 32 unit, classifying it as a long-stroke, made-to-order variant.
Force output is identical to a standard ACQ of the same bore, as the adjuster changes stroke length only and not the piston area. Operating pressure ranges from 0.15 to 1.0 MPa, and the unit relies on a fixed elastomer bumper (NBR) at each end for deceleration rather than an adjustable air cushion. The body retains magnetic-switch grooves, though this particular configuration ships without a magnet. For high-speed or high-energy cycling, adding an external shock absorber or slowing the approach speed is recommended.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100 Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 175 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 ACQJ32X175-100
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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 ACQJ32X175-100 Is Used
Machining Fixture Stops
Dial in the exact extend position on a CNC machining fixture without swapping cylinders, accommodating varying raw material thicknesses on the fly.
Product Changeover Diverters
Rapidly reposition a conveyor sorting gate for different package lengths by turning the external M12x1.25 adjuster thread and locking the nut.
Assembly Press Trial
Safely test multiple extend endpoints during an assembly press setup, using the 75 to 175 mm usable range to find the optimal pressing depth before finalizing.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X175-100 the Right Cylinder?
When sizing this cylinder, note that a standard fixed-stroke ACQ32 is sufficient if your extend position never varies. If you need finer force scaling, the adjacent bore 25 provides 245.4 N push at 0.5 MPa, while stepping up to the bore 40 yields 628.3 N push at 0.5 MPa. To order this adjustable model correctly, confirm the 32 mm bore, the 175 mm full stroke, the 100 mm window, the female rod-end thread (M8x1.25), and the PT1/8 port. Since this is a long-stroke variant, verify your machine envelope can accommodate the extended retracted length. Keep in mind that a plain ACQ-type cylinder does not hold its load on air loss or when a valve is centered; the rod will drift. For a fail-safe hold, specify an external rod lock or a pilot-operated check valve.
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 ACQJ32X175-100 FAQ
This cylinder has a 32 mm bore, a 175 mm full stroke, and a 100 mm adjustment window, giving a usable extend range of 75 to 175 mm. The force is identical to a standard ACQ of this bore: 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.
No, the external threaded stop only changes the extend stroke length, not the piston area, so force remains unchanged. The cylinder uses a fixed elastomer bumper for deceleration, not an adjustable air cushion. Additionally, it will not hold a load on air loss; for fail-safe holding, an external rod lock or pilot-operated check valve is required.
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Related AirTAC ACQJ Compact Cylinders
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