Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50B
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50B 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 ACQJ80X70-50B
The AirTAC ACQJ80X70-50B is a double-acting JIS compact cylinder with a male-thread piston rod end (M22x1.5) for direct load coupling. An external M20x1.5 threaded stop and lock nut restricts the forward motion, yielding a usable extend range of 20-70 mm from the 70 mm full stroke. The return stroke remains completely unaffected.
Because the piston area stays constant, output force equals a standard ACQ of this bore: 2513.2 N push and 2267.8 N pull at 0.5 MPa. The unit uses a PT3/8 port, a 25 mm rod, and fixed NBR elastomer bumpers at both ends for end-of-travel deceleration.
Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50B Technical Specifications
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50B |
|---|---|
| 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 ACQJ80X70-50B
| 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 ACQJ80X70-50B Is Used
Machining Fixture Stops
Dial in the exact clamping reach on a CNC machining fixture during setup, shortening the extend stroke by up to 50 mm to accommodate different part geometries.
Packaging Changeover
Adapt a carton sealing station rapidly for varying box heights by turning the external stopper nut, avoiding the need to swap out the entire actuator assembly.
Press Trial Positions
Establish safe trial end positions on an assembly press, tweaking the 20-70 mm forward travel range on the machine without disassembling the tooling.
Is the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50B the Right Cylinder?
When sizing this 80 mm bore actuator, dropping down to a 63 mm bore yields 1558.6 N push, whereas stepping up to a 100 mm bore provides 3927.0 N push at 0.5 MPa. If your equipment never requires on-the-fly end-position adjustments, a fixed-stroke ACQ cylinder is sufficient. To order this adjustable version correctly, confirm the 80 mm bore, 70 mm full stroke, 50 mm window, the male rod thread (-B), and note that this specific configuration ships without a magnet (-S omitted).
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 ACQJ80X70-50B FAQ
It provides 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 70 mm full stroke features a 50 mm adjustment window, allowing a usable extend range of 20-70 mm.
The M20x1.5 threaded stop with lock nut limits forward travel only; the retract stroke stays fixed. The adjuster alters stroke length only, so force remains identical to a standard ACQ. Fixed NBR elastomer bumpers decelerate the load at both ends, though an external rod lock is required for fail-safe holding on air loss.
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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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