Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 60mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke60 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S
The AirTAC ACQJ32X60-20S is a double-acting JIS compact cylinder featuring an external threaded stop with a lock nut on the rod-end side. This mechanism limits the extend travel, allowing you to fine-tune the end position directly on the machine without swapping parts. With a full stroke of 60 mm and a 20 mm adjustment window, the usable extend range spans 40 to 60 mm, while the retract stroke remains completely unaffected.
Because the piston area is unchanged, output force stays identical to a standard ACQ of the same bore, delivering 402.1 N of push force at 0.5 MPa. The unit includes a fixed NBR elastomer bumper at each end for end-of-stroke deceleration and features a built-in piston magnet (-S) for position sensing. It operates at speeds between 30 and 500 mm/s, utilizing a PT1/8 port and a 16 mm piston rod.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 60 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 ACQJ32X60-20S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×60 | 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 ACQJ32X60-20S Is Used
CNC Fixture Calibration
Dial in the exact clamping extension on a CNC machining fixture during setup, shortening the stroke from 60 mm down to 40 mm to accommodate varying raw material thicknesses without disassembling the pneumatic line.
Packaging Format Changeover
Adjust the pusher end-stop on a packaging conveyor when switching between different carton sizes, using the external M12x1.25 adjuster thread to rapidly set the new position without recalibrating the entire machine.
Assembly Press Prototyping
Test various pressing depths on an electronics assembly press by tweaking the extend limit on the fly, ensuring delicate components are seated perfectly before locking the nut and finalizing the cycle.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X60-20S the Right Cylinder?
When sizing this model, consider the 32 mm bore alongside its neighbours: a 25 mm bore yields 245.4 N push at 0.5 MPa, while a 40 mm bore provides 628.3 N. If your end position never varies, a fixed-stroke ACQ cylinder is sufficient, but for product-changeover flexibility, the ACQJ adjuster is ideal. To order, confirm the 32 mm bore, 60 mm full stroke, 20 mm window, the -S magnet option, and the female M8x1.25 rod-end thread. Note that a plain ACQ-type does not hold its load on air loss; for a fail-safe hold, specify an external rod lock or 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 ACQJ32X60-20S FAQ
At 0.5 MPa, the push force is 402.1 N and the pull force is 301.6 N. At 0.7 MPa, the push force is 562.9 N, with a maximum push of 82 kgf at 1.0 MPa. The full stroke is 60 mm with a 20 mm window, meaning the usable extend range is 40 to 60 mm.
An external threaded stop with a lock nut limits the extend travel, allowing on-machine end-position tuning. The adjuster changes the stroke length only, so the force remains identical to a standard ACQ. The cylinder uses a fixed NBR elastomer bumper at each end for deceleration rather than an adjustable air cushion, and the -S magnet works with both reed and electronic solid-state switches.
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Related AirTAC ACQJ Compact Cylinders
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