
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X60-40 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø80mm bore and 60mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
The AirTAC ACQJ80X60-40 is a double-acting JIS compact cylinder featuring an external M20x1.5 threaded stop and lock nut that limits the extend end position. You can fine-tune the usable extend range from 20 mm up to the full 60 mm directly on the machine, while the retract stroke remains completely unaffected. Because the piston area is unchanged, output force is identical to a standard ACQ of this bore.
Operating at 0.15-1.0 MPa with a PT3/8 port, this 80 mm bore unit delivers 2513.2 N of push force at 0.5 MPa. It features a 25 mm piston rod with a female M16x2.0 end thread, fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration, and integrated sensor grooves for adding reed or solid-state switches.
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X60-40 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø80 mm |
| Full stroke | 60 mm |
| Adjuster thread | M20×1.5 |
| Port size | PT3/8 |
| 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 | M16×2.0 (F) / M22×1.5 (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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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. |
|---|---|
| 80 | 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).
Dial in the exact clamping extend distance on a CNC machining center during part-changeover without swapping out cylinder hardware.
Adapt the folding stroke on a packaging line for different box depths, using the external stop to set precise end positions rapidly.
Safely trial different insertion depths on an assembly press by adjusting the extend limit before committing to a fixed mechanical stop.
If you need slightly less thrust, the 63 mm bore variant provides 1558.6 N push at 0.5 MPa, whereas stepping up to the 100 mm bore yields 3927.0 N. This 80 mm model is ideal when your application requires up to 513 kgf maximum push and on-the-fly extend-position adjustments within a 40 mm window. If the extend position never varies, a fixed-stroke ACQ cylinder is sufficient. When ordering, confirm the 60 mm full stroke, the 40 mm adjuster window, the default female rod thread, and whether you require the S magnet option for sensing.
Quick checklist
This 80 mm bore cylinder delivers a push force of 2513.2 N and a pull force of 2267.8 N at 0.5 MPa, with a push of 3518.5 N at 0.7 MPa and a maximum push of 513 kgf at 1.0 MPa. The full stroke is 60 mm, and with the 40 mm adjustment window, the usable extend range is 20-60 mm.
No, the external stop only limits how far the rod extends, so the output force remains identical to a standard ACQ. Deceleration is handled by fixed elastomer bumpers at both ends, not an adjustable air cushion. Note that this model ships without a magnet, though the body retains sensor grooves for adding switches.
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