Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø160mm bore and 75mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ160 mm
- Full stroke75 mm
- Port sizePT3/8
- Adjuster threadM36×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S
The AirTAC ACQJ160X75-30S is a double-acting, single-rod JIS compact cylinder featuring a big-bore 160mm body and an external threaded stop that limits the extend end position. With a full stroke of 75mm and a 30mm adjustment window, the usable extend range runs from 45mm up to 75mm. The retract stroke remains completely unaffected. An M36x2.0 adjuster thread with a lock nut allows precise on-machine end-position tuning without swapping out components.
Because the internal piston area is unchanged, the output force remains identical to a standard ACQ of this bore, delivering a push force of 10053.1 N and pull force of 9424.8 N at 0.5 MPa. The unit features fixed NBR elastomer bumpers at each end for end-of-stroke deceleration rather than adjustable air cushions. Equipped with a -S piston magnet, the integrated grooves accommodate both reed and electronic solid-state switches. The piston rod measures 40mm with a PT3/8 port and a default female M24x3.0 rod-end thread.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø160 mm |
| Full stroke | 75 mm |
| Adjuster thread | M36×2.0 |
| 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 | M24×3.0 (F) / M36×1.5 (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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 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 ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×75 | 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 ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S Is Used
Heavy Press Tonnage Setup
Dial in the exact 45-75mm extend position during heavy press commissioning to set precise forming depth on large steel blanks without machining new spacers.
Large Mold Product Changeover
Adjust the external stop on the fly when swapping large injection molds, ensuring the rod extends to the correct new end point for varying product heights.
Palletizer End-of-Stroke Tuning
Fine-tune the extend end position on a heavy-duty palletizer to accommodate different pallet thicknesses, relying on the fixed NBR bumper to absorb high kinetic energy.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S the Right Cylinder?
When sizing this big-bore compact cylinder, stepping down to a 140mm bore yields a 0.5 MPa push of 7696.9 N, whereas stepping up is not an option as 160mm is the largest standard diameter in this series. If exact 45-75mm extend positioning is not required, a fixed-stroke ACQ cylinder provides the same force in a simpler package. To order, confirm the 160mm bore, 75mm full stroke, 30mm adjustable window, -S magnet option, and the default female M24x3.0 piston rod thread.
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 ACQJ125~160 Adjustable Compact Cylinder ACQJ160X75-30S FAQ
This 160mm bore cylinder provides a push force of 10053.1 N and pull force of 9424.8 N at 0.5 MPa, and a push of 14074.3 N at 0.7 MPa. The maximum push force is 2050 kgf at 1.0 MPa. The full stroke is 75mm with a 30mm adjustable window, yielding a usable extend range of 45-75mm.
The external M36x2.0 threaded stop with lock nut mechanically limits the extend stroke without changing the piston area, meaning force output is identical to a standard ACQ. The cylinder uses fixed elastomer bumpers for deceleration, not a lock. Because a plain ACQ-type cylinder will drift on air loss, use an external rod lock or pilot-operated check valve for fail-safe load holding.
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