Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø40mm bore and 60mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ40 mm
- Full stroke60 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B
The AirTAC ACQJ40X60-20B is a double-acting JIS compact cylinder featuring an external threaded stop that limits the extend stroke. You can fine-tune the extend end position on the machine across a 40 to 60 mm usable range by shortening the 60 mm full stroke up to 20 mm. The retract stroke remains completely unaffected by this adjustment.
Because the piston area is unchanged, output force matches a standard ACQ of the same bore. The 40 mm bore generates 628.3 N push and 527.8 N pull at 0.5 MPa. This version includes a male M14x1.5 rod-end thread for direct coupling, fixed NBR elastomer bumpers at both ends, and integrated sensor grooves.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Full stroke | 60 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.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 40 | 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).
Where the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B Is Used
Machining Fixture Clamps
Dial in the exact clamping extension on a CNC fixture without machining new spacer blocks when raw part dimensions vary slightly.
Product Changeover Stops
Rapidly reposition the extend end stop during packaging line format changes to accommodate different carton widths.
Prototype End Positions
Test various extend end positions on a new assembly machine to find the optimal dwell distance before finalizing the design.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B the Right Cylinder?
Selecting this 40 mm bore provides 628.3 N push at 0.5 MPa. Stepping down to a 32 mm bore yields 402.1 N push, while moving up to a 50 mm bore provides 981.8 N push. If your application always operates at a fixed 60 mm extend length without needing positional tuning, a standard ACQ40X60 cylinder is sufficient. When ordering, verify the 40 mm bore, 60 mm full stroke, 20 mm adjustable window, male M14x1.5 rod thread, and note this unit lacks the -S magnet.
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 ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X60-20B FAQ
At 0.5 MPa, push force is 628.3 N and pull force is 527.8 N; push is 879.6 N at 0.7 MPa with a maximum push of 128 kgf at 1.0 MPa. The usable extend range is 40 to 60 mm. The external adjuster uses an M12x1.25 thread.
A threaded screw with a lock nut limits how far the rod extends, shortening the stroke length only. Piston area remains identical to a standard ACQ, so force is unchanged. Deceleration relies on fixed NBR elastomer bumpers at both ends, not an adjustable air cushion.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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