Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø80mm bore and 70mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ80 mm
- Full stroke70 mm
- Port sizePT3/8
- Adjuster threadM20×1.5
About the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH
The AirTAC ACQJ80X70-20SH is a double-acting JIS compact cylinder with an external threaded stop and lock nut that limits the extend end position. You can fine-tune the extend stroke on the machine anywhere from 50 mm up to the full 70 mm without swapping parts. The retract stroke remains completely unaffected by this adjustment.
Because the piston area stays the same, output force is identical to a standard ACQ of this bore, delivering 2513.2 N push at 0.5 MPa. The 80 mm bore uses a PT3/8 port and a Ø25 mm piston rod. It features fixed elastomer bumpers at both ends and sensor grooves ready for reed or solid-state switches.
Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH Technical Specifications
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø80 mm |
| Full stroke | 70 mm |
| Adjuster thread | M20×1.5 |
| Port size | PT3/8 |
| 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 | M16×2.0 (F) / M22×1.5 (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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×70 | 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH Is Used
Machining Fixture Stops
Dial in the exact clamping reach on a CNC machining center during part setup, using the external M20x1.5 adjuster to hit precise 50-70 mm extend endpoints without recoding the PLC.
Packaging Line Changeover
Adapt diverter stroke lengths rapidly on a packaging conveyor when switching carton sizes, relying on the 513 kgf maximum push to reposition heavy product guides safely.
Assembly Press Positioning
Establish trial end positions for pressing subcomponents on an automated assembly line, tweaking the extend distance on the fly while the fixed NBR bumper handles end-of-stroke deceleration.
Is the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH the Right Cylinder?
If you do not need end-position tuning, a fixed-stroke ACQ80X70 cylinder is simpler and suffices. When sizing, note the 80 mm bore yields 2513.2 N push at 0.5 MPa; dropping to a 63 mm bore reduces push to 1558.6 N, while stepping up to 100 mm increases it to 3927.0 N. To order this adjustable unit correctly, confirm the 80 mm bore, 70 mm full stroke, 20 mm window, the -S magnet for electronic or reed sensors, and the female M16x2.0 rod-end 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-20SH FAQ
It delivers 2513.2 N push and 2267.8 N pull at 0.5 MPa, 3518.5 N push at 0.7 MPa, and a maximum push of 513 kgf at 1.0 MPa. The full stroke is 70 mm with a 20 mm adjustment window, giving a usable extend range of 50 to 70 mm.
No. The external M20x1.5 threaded stop only limits how far the rod extends; the retract stroke is unaffected and the force remains identical to a standard ACQ because the piston area is unchanged. The cylinder uses fixed elastomer bumpers, so for high-energy loads you should add an external shock absorber.
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Related AirTAC ACQJ Compact Cylinders
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