Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 80mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ32 mm
- Full stroke80 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B
The AirTAC ACQJ32X80-20B is a double-acting JIS compact cylinder with an external threaded stop and lock nut that limits the extend end position. You get a usable extend range of 60-80 mm from the 80 mm full stroke, while the retract stroke remains unaffected. This allows on-machine end-position tuning without swapping parts.
Because the piston area stays the same, output force is identical to a standard ACQ of this bore. The 32 mm bore delivers 402.1 N push and 301.6 N pull at 0.5 MPa. It features a male M14x1.5 piston rod end, a PT1/8 port, and fixed elastomer bumpers at each end. The body includes sensor grooves, though this specific unit ships without a magnet.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 80 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 (Ø32mm)
| 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.
Model Code: Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 ACQJ32X80-20B Is Used
Machining Fixture Stops
Dial in the exact clamping extend position on a CNC machining fixture without machining new spacers or changing the cylinder body.
Packaging Product Changeover
Quickly reconfigure the pusher rod end position on a packaging line when switching between different carton widths or product sizes.
Assembly Press Trial
Establish the precise insertion depth for a press fit on an electronics assembly line by testing various extend endpoints safely.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X80-20B the Right Cylinder?
If you need slightly less push force, the 25 mm bore yields 245.4 N at 0.5 MPa, whereas stepping up to the 40 mm bore provides 628.3 N. A fixed-stroke ACQ is sufficient if your extend endpoint never requires adjustment. When ordering this cylinder, confirm the 32 mm bore, 80 mm full stroke, 20 mm adjuster window, the male rod thread, and whether you need the magnet option.
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 ACQJ32X80-20B FAQ
This 32 mm bore cylinder provides a push force of 402.1 N and a pull force of 301.6 N at 0.5 MPa, with a push of 562.9 N at 0.7 MPa. The maximum push is 82 kgf at 1.0 MPa. It has an 80 mm full stroke with a 20 mm adjustment window, giving a usable extend range of 60-80 mm.
An external M12x1.25 threaded stop with a lock nut limits the extend length, changing only the stroke distance without reducing the piston force. The cylinder uses fixed NBR elastomer bumpers at each end rather than adjustable air cushions. While the body has sensor grooves, this specific model ships without a magnet, so reed or solid-state switches will not function unless a magnet is added.
Authorized Export Seller
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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