Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø40mm bore and 150mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ40 mm
- Full stroke150 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B
The ACQJ40X150-100B is a double-acting JIS compact cylinder with a 40 mm bore and a 150 mm full stroke. Because this stroke exceeds the 100 mm standard maximum for this bore size, it is supplied as a long-stroke, made-to-order variant. It features an external M12x1.25 threaded stop with a lock nut on the extend side, allowing you to fine-tune the usable extend range from 50 mm up to the full 150 mm directly on the machine. The retract stroke remains completely unaffected by this adjustment.
Equipped with a male M14x1.5 rod-end thread (-B), the Ø16 mm piston rod couples directly to your load. The force output remains identical to a standard ACQ of this bore, delivering 628.3 N push and 527.8 N pull at 0.5 MPa, since the adjuster alters travel length rather than piston area. This unit uses a PT1/8 port and includes fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration. It ships without a magnet, though the body retains sensor grooves for adding external reed or solid-state switches.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Full stroke | 150 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 ACQJ40X150-100B
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 ACQJ40X150-100B Is Used
Machining Fixture Clamps
Dial in the exact clamping reach on a CNC fixture by turning the external stop, accommodating varying part thicknesses without swapping out the entire cylinder.
Product Changeover Diverters
Rapidly reposition a conveyor sorting gate during packaging line product changeovers by adjusting the extend endpoint from 50 mm to 150 mm on the fly.
Assembly Press Setup
Establish trial end positions for an assembly press during initial equipment setup, testing different insertion depths before locking down the M12x1.25 adjuster nut.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X150-100B the Right Cylinder?
When sizing this model, consider the neighbouring bores: the ACQJ32 provides 402.1 N push at 0.5 MPa, while the ACQJ50 offers 981.8 N push, ensuring you have options if your force requirements shift. If your end position never varies, a fixed-stroke ACQ cylinder will suffice and avoid the long-stroke lead time. To order this adjustable version correctly, confirm the 40 mm bore, 150 mm full stroke, 100 mm adjustment window, the -B male rod thread, and note that no magnet (-S) is included. For high-speed applications, factor in an external shock absorber since the built-in bumper only decelerates near the stroke end.
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 ACQJ40X150-100B FAQ
This cylinder 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 usable extend range is 50-150 mm, achieved by shortening the 150 mm full stroke via the 100 mm adjustment window.
No, the force remains identical to a standard ACQ because the adjuster only limits how far the rod extends, not the piston area. The retract stroke is unaffected, and the fixed elastomer bumper handles deceleration at the stroke end.
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Standard models usually ship in 3-4 days.
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Related AirTAC ACQJ Compact Cylinders
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