Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 40mm 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
- Stroke40 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10
The AirTAC SAIJ80X40-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a robust 2513N push force at 0.5MPa, making it suitable for medium-duty handling. The integrated adjuster allows you to trim the nominal 40mm stroke back by up to 10mm, creating a precise 30-40mm usable travel window for exact end-position tuning during commissioning.
This model features an SUS420J2 stainless steel piston rod for enhanced corrosion resistance and uses PT tapered port threads. It retains the standard extruded aluminum barrel with dual sensor grooves. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 40 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 SAIJ80AX40-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×40 | 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 SAIJ80AX40-10 Is Used
Machine Setup Calibration
Dial in the exact 30-40mm retract position during initial machine commissioning without machining custom spacers.
Product Changeover
Quickly adjust the end-stop when switching between product variants on a line, saving setup downtime.
Variable End-Stop Forming
Fine-tune the travel end for pressing or forming tasks that require precise depth control within a narrow window.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX40-10 the Right Cylinder?
Choose this 80mm bore cylinder when an application requires substantial force (2513N push at 0.5MPa) alongside precise end-stop variability. If your process needs slightly less thrust, stepping down to a 63mm bore yields 1559N push force. The SAIJ80X40-10 is selected over a fixed SAI when product changeovers require dialing in the retract position without swapping cylinders or adding external stopper blocks. For load-holding without continuous air pressure, consider the SAIL or BSAI series, as this adjuster is not a lock. ISO 15552 replacement requires matching the 80mm bore, 40mm stroke, 10mm adjustment, PT G3/8 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting.
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 SAIJ80AX40-10 FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw lets you shorten the nominal 40mm stroke by up to 10mm, providing a usable travel window of 30-40mm. It acts as a mechanical stop for end-position tuning and does not lock the load without air pressure.
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