Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 70mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke70 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10
The AirTAC SAIJ80X70-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 2513N of push force at 0.5 MPa. Its 70mm nominal stroke can be dialed back by up to 10mm, creating a precise 60-70mm usable travel window for fine end-position tuning at commissioning. This eliminates the need to swap cylinders or bolt on external stops during machine setup.
Built with an SUS420J2 stainless steel rod, this 80mm bore unit handles demanding environments and carries side loads well thanks to its M20x1.5 rod thread. It features PT tapered port threads (G3/8) and variable air cushions at both ends. The rear adjuster acts strictly as a travel stop for deceleration, meaning it will not hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
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 | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×70 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 Is Used
Precision End-Stop Tuning
Dial in the exact 60-70mm travel distance during machine commissioning to perfect part seating without adding external mechanical stops.
Product Size Changeovers
Quickly adjust the rear screw by up to 10mm to accommodate slightly different product lengths on the same production line.
High-Force Clamping
Leverage the 2513N push force at 0.5 MPa to securely clamp workpieces while fine-tuning the clamping depth.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 the Right Cylinder?
Choose this 80mm bore cylinder when an application requires substantial force—such as the 2513N push or 2268N pull at 0.5 MPa—combined with a short, highly exact travel distance. If your setup needs less thrust, stepping down to a 63mm bore yields 1559N of push force, whereas moving up to a 100mm bore provides 3927N. The 10mm adjustment range is ideal for dialing in exact endpoints during product changeovers rather than relying on a fixed-stroke SAI cylinder.
For ISO 15552 replacement matching, specify the 80mm bore, 70mm stroke, 10mm adjustment, PT port thread, and your required mounting style. SAIJ supports a specific subset of mounts: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because it lacks a magnet, it does not support CMSE or DMSE sensors. Remember that for load-holding without live pressure, you must use a SAIL lock, BSAI clamp-lock, or external rod lock, as the adjuster here is only a stop.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX70-10 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw allows you to shorten the 70mm nominal stroke by up to 10mm, providing a usable travel window of 60-70mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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