
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X45-30 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 45mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
The AirTAC ACQJ32X45-30 is a double-acting JIS compact cylinder featuring an external threaded stop with a lock nut to fine-tune the extend end position. You can shorten the extend stroke by up to 30 mm, yielding a usable forward range of 15-45 mm directly on your equipment without swapping parts. The retract stroke remains completely unaffected.
Because the piston area stays the same, output force is identical to a standard ACQ of this bore. The 32 mm bore generates 402.1 N push and 301.6 N pull at 0.5 MPa. It uses a PT1/8 port, a 16 mm rod with an M8x1.25 female thread, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration.
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X45-30 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 45 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. |
| ×45 | 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 exact clamping reach on a CNC machining center during part setup, using the external stop to accommodate varying raw material lengths without reprogramming tool paths.
Rapidly adjust the product pusher end-point on a packaging line when switching between different carton sizes, relying on the 15-45 mm usable range for quick mechanical resets.
Test optimal component seating depth on an electronics assembly rig by micro-adjusting the forward stroke on the fly until the ideal press-fit distance is validated.
If you need slightly less thrust, the 25 mm bore provides 245.4 N push at 0.5 MPa, while stepping up to the 40 mm bore yields 628.3 N push. Choose this 32 mm model when your fixture requires precise 15-45 mm extend tuning. If your application always operates at a fixed 45 mm extension, a standard ACQ32X45 cylinder is sufficient. When ordering, confirm the 45 mm full stroke, 30 mm adjuster window, female rod-end thread, and whether you need the -S magnet option, as this unit ships without one.
Quick checklist
This 32 mm bore cylinder 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 45 mm with a 30 mm adjustment window, providing a usable extend range of 15-45 mm.
An external M12x1.25 threaded stop with a lock nut mechanically limits the rod extension, shortening the stroke without changing the piston area, so force remains identical to a standard ACQ. Deceleration relies on fixed NBR elastomer bumpers at both ends, not adjustable air cushions, so you may need an external shock absorber for high-energy loads.
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