Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40
The AirTAC Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø12mm bore and 35mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ12 mm
- Full stroke35 mm
- Port sizeM5×0.8
- Adjuster threadM5×0.8
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40
The AirTAC ACQJ12X35-40 is a double-acting, single-rod JIS compact cylinder featuring an external threaded stop with a lock nut to limit the extend end position. With a full stroke of 35mm and an adjustment window of 40mm, you can fine-tune the usable extend range from 0 to 35mm directly on the machine. The retract stroke remains completely unaffected. Because the piston area is unchanged, the output force is identical to a standard ACQ of the same bore.
Delivering 56.5N push and 42.4N pull at 0.5 MPa, this cylinder uses a 6mm piston rod and an M5x0.8 port. It includes fixed elastomer TPU bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. The body features integrated magnetic-switch grooves, though this specific SKU ships without a magnet. Operating pressure ranges from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa.
Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 Technical Specifications
| Model | Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø12 mm |
| Full stroke | 35 mm |
| Adjuster thread | M5×0.8 |
| Port size | M5×0.8 |
| 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 | M3×0.5 (F) / M5×0.8 (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 (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 57 N | 42 N |
| 0.7 MPa | 79 N | — |
| Max (@1.0 MPa) | 12 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 ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×35 | 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 ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 Is Used
Micro-Assembly Clamping
Dial in the exact clamping extension on small electronic component fixtures without machining custom spacers.
Lab Test Positioning
Find the optimal travel distance for a testing probe by adjusting the extend stop during experimental setups.
Product Changeover Stops
Quickly reset the physical end position for varying product sizes on a packaging conveyor line.
Is the Airtac ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 the Right Cylinder?
When sizing this 12mm bore cylinder, which yields 79.2N push at 0.7 MPa, consider the next size up—the 16mm bore providing 140.8N push—for heavier loads. If your application requires a fixed extend distance with no on-the-fly changes, a standard ACQ cylinder will suffice. To order, confirm the 12mm bore, 35mm full stroke, 40mm adjustment window, female M3x0.5 rod-end thread, and whether you need the -S magnet option for sensor integration.
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 ACQJ12~25 Adjustable Compact Cylinder ACQJ12X35-40 FAQ
The usable extend range is 0-35mm (full stroke 35mm minus up to 40mm). It delivers 56.5N push and 42.4N pull at 0.5 MPa, 79.2N push at 0.7 MPa, and a maximum push of 12 kgf at 1.0 MPa. The retract stroke is unaffected by the adjuster.
No, the adjuster only changes the extend stroke length, not the piston area, so force remains identical to a standard ACQ. The cylinder relies on fixed elastomer TPU bumpers for deceleration. Note that this model ships without a sensor magnet, though the body retains switch grooves.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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