
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-10SB 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.
The AirTAC ACQJ32X80-10SB is a double-acting JIS compact cylinder featuring an external threaded stop with a lock nut that limits the extend end position. You get an 80 mm full stroke with a 10 mm adjustment window, allowing you to fine-tune the usable extend range from 70 mm up to 80 mm directly on the machine without swapping parts. The retract stroke remains completely unaffected.
Because the piston area is unchanged, output force is identical to a standard ACQ of this bore, yielding 402.1 N push and 301.6 N pull at 0.5 MPa. This SB configuration includes a male M14x1.5 piston rod end for direct load coupling and a built-in magnet (-S) for position sensing. It uses a PT1/8 port, a Ø16 mm rod, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration.
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-10SB |
|---|---|
| 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.
| 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.
| 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).
Dial in the extend position from 70 to 80 mm on a CNC machining fixture to accommodate raw part tolerances without fabricating new spacer blocks.
Rapidly adjust the end stop during product format changes on a packaging line, switching carton pusher distances quickly via the external M12x1.25 adjuster.
Set trial end positions on an automated assembly press to test component seating depth before locking down the final mechanical stroke length.
If you need slightly less thrust, the next size down is a bore 20 unit delivering 157.1 N push at 0.5 MPa; for heavier loads, stepping up to a bore 40 cylinder provides 628.3 N push. Choose this 32 mm bore when your application requires approximately 402.1 N push at 0.5 MPa and on-the-fly extend-position tweaking. If the exact 80 mm extend position is permanently fixed and never varies, a standard non-adjustable ACQ cylinder will suffice. When ordering, confirm the 32 mm bore, 80 mm full stroke, 10 mm window, the -S magnet for electronic or reed switches, and the -B male M14x1.5 rod thread.
Quick checklist
It delivers 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. The full stroke is 80 mm with a 10 mm adjustable window, giving a usable extend range of 70-80 mm. The retract stroke remains fixed at 80 mm.
No, the adjuster only changes the extend stroke length, not the piston area, so force remains identical to a standard ACQ. The cylinder uses fixed NBR elastomer bumpers at both ends for deceleration rather than adjustable air cushions. Additionally, the -S magnet supports both reed and solid-state electronic switches.
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