Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 300mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke300 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100
The ACQJ32X300-100 is a double-acting JIS compact cylinder built for applications requiring a long 300mm stroke with on-machine extend tuning. An external M12x1.25 threaded stop and lock nut lets you shorten the forward stroke anywhere within a 200 to 300mm usable range without swapping parts. The retract stroke remains fixed at the full 300mm. This configuration is a made-to-order long-stroke variant, exceeding the standard 100mm maximum for this 32mm bore.
Because the adjuster only limits travel length, the piston area stays intact, meaning output force is identical to a standard ACQ. At 0.5 MPa it delivers 402.1N of push force and 301.6N of pull force. The body incorporates fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. It features a 16mm rod with a female M8x1.25 end thread, a PT1/8 port, and integrated sensor grooves, though this specific SKU ships without a magnet.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100 Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 300 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 ACQJ32X300-100
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×300 | 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 ACQJ32X300-100 Is Used
Variable Length Stop Gauging
Dial in precise material stop positions on a cutting saw feed line by turning the M12x1.25 adjuster to shorten the extend stroke between 200 and 300mm during product changeovers.
Adjustable Clamping Depth
Secure workpieces of varying heights in a machining fixture by tuning the forward end position on the fly, preventing over-travel without machining custom spacers.
Long-Reach Transfer Arms
Push parts across a wide conveyor belt using the 300mm stroke, then easily back off the end position by up to 100mm to accommodate different pallet widths.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X300-100 the Right Cylinder?
When sizing this unit, stepping down to a 25mm bore drops the 0.5 MPa push force to 245.4N, while moving up to a 40mm bore increases it to 628.3N. If your machinery never requires end-position adjustments, a fixed-stroke ACQ cylinder provides the exact same holding and force characteristics in a shorter footprint. For this adjustable model, verify your ordering essentials: 32mm bore, 300mm full stroke, 100mm window, female rod thread, and no magnet. Note that a plain compact cylinder will drift and lose its load if air pressure drops; add an external rod lock or pilot-operated check valve if fail-safe holding is required.
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 ACQJ32X300-100 FAQ
This 32mm bore cylinder provides 402.1N push and 301.6N pull at 0.5 MPa, 562.9N push at 0.7 MPa, and a maximum push of 82 kgf at 1.0 MPa. The full stroke is 300mm, but the external stop allows you to set the usable extend range anywhere from 200mm up to 300mm.
An external threaded stop with a lock nut physically blocks the rod from extending fully, shortening the stroke without changing the piston area, so force remains identical to a standard ACQ. Deceleration is handled by fixed elastomer bumpers at both ends, not adjustable air cushions, so you may need an external shock absorber for high-speed loads.
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Related AirTAC ACQJ Compact Cylinders
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