
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X60-20S 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 ACQJ80X60-20S is a double-acting JIS compact cylinder with a single 25mm rod and an external threaded stop. By turning the M20x1.5 adjuster lock nut, you can fine-tune the extend end position on the machine, yielding a usable extend range of 40 to 60mm. The retract stroke remains completely unaffected by this mechanism.
Because the piston area is unchanged, the output force is identical to a standard ACQ of this bore, delivering 2513.2N push at 0.5MPa. The unit relies on a fixed elastomer bumper for end-of-stroke deceleration rather than an adjustable air cushion. Equipped with a built-in magnet (-S), it supports both reed and solid-state sensors via its integrated mounting grooves.
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X60-20S |
|---|---|
| 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 reach on a CNC fixture during product-changeover without machining new spacer blocks.
Set the precise pusher extension to deflect varying carton sizes on a packaging conveyor without swapping cylinders.
Safely test upper platen end positions on a light-duty assembly press by limiting the extend stroke in 1mm increments.
For lower force needs, the 63mm bore provides 1558.6N push at 0.5MPa, while stepping up to the 100mm bore yields 3927.0N. Choose this 80mm bore when your application demands 2513.2N of push force and on-the-fly extend length adjustments. If your end position is fixed and never varies, a standard ACQ cylinder will suffice. When ordering, verify the 60mm full stroke, 20mm window, S magnet option, and female M16x2.0 rod end thread.
Quick checklist
The usable extend range is 40 to 60mm (a 60mm full stroke minus up to a 20mm window). It generates 2513.2N push and 2267.8N pull at 0.5MPa, 3518.5N push at 0.7MPa, and a maximum push of 513kgf at 1.0MPa.
No. The adjuster only limits the extend stroke length; force remains identical to a standard ACQ because the piston area is unchanged. The cylinder uses a fixed elastomer bumper for deceleration and will not hold a load on air loss, so an external rod lock is required for fail-safe holding.
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