Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB 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 ACQJ80X70-50SB
The AirTAC ACQJ80X70-50SB is a double-acting JIS compact cylinder featuring an external threaded stop with a lock nut that limits the extend stroke. You can fine-tune the usable extend range from 20 mm up to the full 70 mm directly on your machinery without swapping parts. The retract stroke remains completely unaffected by this adjustment.
Because the piston area stays constant, output force is identical to a standard ACQ of the same bore, delivering 2513.2 N push at 0.5 MPa. This unit includes a male M22x1.5 rod end and a built-in piston magnet. It relies on fixed NBR elastomer bumpers for end-of-stroke deceleration rather than adjustable pneumatic cushions.
Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB Technical Specifications
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB |
|---|---|
| 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 ACQJ80X70-50SB
| 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 ACQJ80X70-50SB Is Used
Machining Fixture Stops
Dial in the exact clamping reach on CNC machining fixtures during setup, accommodating different raw material thicknesses without disassembling the tooling.
Packaging Changeover
Rapidly reposition product pusher end points on a packaging line for varying carton lengths, utilizing the 20 to 70 mm extend window to minimize downtime.
Assembly Press Triage
Establish trial end positions for pressing subcomponents on an automated assembly line, safely testing insertion depths before finalizing mechanical hard stops.
Is the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB the Right Cylinder?
Selecting this 80 mm bore actuator provides 2513.2 N push force at 0.5 MPa. If your application requires less thrust, stepping down to a 63 mm bore yields 1558.6 N push, whereas moving up to a 100 mm bore provides 3927.0 N. A fixed-stroke ACQ cylinder is sufficient if your end position never requires tweaking. When ordering, confirm the 70 mm full stroke, 50 mm adjuster 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ80X70-50SB FAQ
The usable extend range is 20-70 mm (70 mm full stroke minus the 50 mm window). Force is unchanged from a standard ACQ: push is 2513.2 N and pull is 2267.8 N at 0.5 MPa, push is 3518.5 N at 0.7 MPa, and maximum push is 513 kgf at 1.0 MPa.
An external M20x1.5 threaded stop with a lock nut mechanically limits the extend length, leaving the retract stroke unaffected. Force remains identical to a standard ACQ since piston area is unchanged. The cylinder uses fixed elastomer bumpers, and because it lacks a physical lock, the rod will drift if air pressure is lost.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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