Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø40mm bore and 50mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ40 mm
- Full stroke50 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB
The AirTAC ACQJ40X50-10SB is a double-acting JIS compact cylinder with an external extend stop. A threaded M12x1.25 adjuster and lock nut let you shorten the outward stroke by up to 10 mm, giving a usable extend range of 40 to 50 mm. The return stroke remains completely unaffected. Because the piston area stays constant, output force equals a standard ACQ, delivering 628.3 N push at 0.5 MPa.
This 40 mm bore unit includes a male M14x1.5 rod end for direct load coupling and a built-in piston magnet (-S) compatible with reed or solid-state switches. It features fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. Operating pressure spans 0.15 to 1.0 MPa, with a speed range of 30 to 500 mm/s.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Full stroke | 50 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 ACQJ40X50-10SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×50 | 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 ACQJ40X50-10SB Is Used
Machining Fixture Stops
Dial in the exact clamping reach on a CNC fixture during part changeovers without machining new spacer blocks.
Carton Sealing Tolerance
Adjust the pressing position on a packaging line to compensate for varying cardboard thicknesses on the fly.
Prototype Press Depth
Safely test and incrementally set specific pressing depths on a laboratory assembly rig before finalizing the stroke.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB the Right Cylinder?
When sizing this unit, consider the 32 mm bore for lighter loads, providing 402.1 N push at 0.5 MPa, or the 50 mm bore for heavier demands, yielding 981.8 N push. A fixed-stroke ACQ is sufficient if your application never requires end-position variance. To order this adjustable variant correctly, confirm the 40 mm bore, 50 mm full stroke, 10 mm window, -S magnet, and -B male 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 ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB FAQ
It provides 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push at 0.7 MPa, and a maximum push of 128 kgf at 1.0 MPa. The full stroke is 50 mm, but the external adjuster allows you to shorten the extend stroke within a 40 to 50 mm usable range.
An external M12x1.25 threaded stop with a lock nut physically limits how far the rod extends, shortening the stroke without altering piston area, so force remains identical to a standard ACQ. Fixed NBR bumpers decelerate the load at the ends, and the included -S magnet works with reed or electronic switches.
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
Request a Quote for Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X50-10SB
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.