Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 80mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke80 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40
The AirTAC ACQJ32X80-40 is a double-acting JIS compact cylinder fitted with an external threaded stop and lock nut to regulate the extend end position. With a full stroke of 80mm and a 40mm adjustment window, you can dial in the usable extend range anywhere from 40mm up to 80mm directly on the machine. The retract stroke remains completely unaffected by this mechanism. Because the piston area stays constant, output force is identical to a standard ACQ of this bore, delivering 402.1N push at 0.5MPa. The unit features a 16mm piston rod, a PT1/8 port, and a female M8x1.25 rod-end thread.
This model incorporates a fixed NBR elastomer bumper at each end to decelerate the piston near stroke limits, meaning it is not equipped with adjustable pneumatic cushioning. The body includes integrated magnetic-switch grooves for position sensing, though this specific configuration ships without a magnet. Operating pressure spans 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa. The external adjuster utilizes an M12x1.25 thread for precise end-position control without swapping out components.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40 Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 80 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 ACQJ32X80-40
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 ACQJ32X80-40 Is Used
Machining Fixture Clamps
Dial in the exact clamping reach on a CNC fixture during initial setup, allowing operators to shorten the extend stroke from 80mm down to 40mm to accommodate varying part thicknesses without changing hardware.
Product Changeover Stops
Adjust the end-stop position on packaging conveyor lines to handle different carton lengths, fine-tuning the 32mm bore actuator's extend limit on the fly to meet new product dimensions.
Assembly Press Trial Positions
Test multiple pressing depths on an assembly line by tweaking the external M12x1.25 adjuster, safely finding the optimal end position before locking the nut down for production runs.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40 the Right Cylinder?
When sizing this 32mm bore actuator, note that stepping down to a 25mm bore reduces the 0.5MPa push force to 245.4N, while stepping up to a 40mm bore increases it to 628.3N. If your application requires a fixed extend length that never changes, a standard ACQ cylinder without the external stop will suffice. For ordering, confirm the 32mm bore, 80mm full stroke, 40mm adjustment window, female rod thread, and whether you need the -S magnet option for reed or solid-state sensors. Keep in mind a plain ACQ-type cylinder will not hold its load on air loss; the rod drifts and the fixed bumper only decelerates near the stroke end, so add an external rod lock or pilot-operated check valve for a fail-safe hold.
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 ACQJ32X80-40 FAQ
The usable extend range is 40-80mm (an 80mm full stroke minus up to a 40mm window). Force is identical to a standard ACQ of this bore: 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.
An external threaded stop with a lock nut limits how far the rod extends, changing the stroke length without affecting the piston area or force. The cylinder uses fixed NBR elastomer bumpers at each end for deceleration rather than adjustable air cushions. This model lacks a sensor magnet but retains body grooves for adding switches.
Authorized Export Seller
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.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
Request a Quote for Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-40
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.