Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S
The AirTAC SAIJ80X950-100-S is a double-acting ISO 15552 profile cylinder featuring a SUS420J2 stainless steel rod and a rear stroke adjuster. It provides a robust 4523N of push force at 0.9 MPa and uses PT tapered port threads. The integrated magnet enables position sensing with CMSE reed and DMSE electronic solid-state switches.
Equipped with a 100mm adjustment mechanism, this model allows you to fine-tune the effective travel window down from 950mm to a precise 850mm minimum. This built-in stopper lets you dial in exact end positions during commissioning or product changeovers without adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for straightforward switch mounting.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 950 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 SAIJ80AX950-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×950 | 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 SAIJ80AX950-100S Is Used
Long-Stroke Forming
Dial in the exact 850-950mm end position for large press or forming operations, ensuring precise contact depth without physically swapping cylinders.
Product Changeover Stops
Quickly adjust the retract stop on packaging lines handling different box sizes, shifting the travel limit by up to 100mm during format resets.
Machine Setup Calibration
Fine-tune the stroke end-position during initial commissioning to compensate for mechanical tolerance stack-up across a 950mm travel distance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX950-100S the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust, such as 4523N push at 0.9 MPa, stepping up from the 63mm bore which yields 2805N. The adjustable stroke is ideal for machinery requiring variable end-stops, offering a usable 850-950mm range. Because the 950mm stroke is quite long, an external guide is recommended to prevent excessive side-loading on the rod. The rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For true load-holding, consider the SAIL or BSAI series. This unit is dimensionally interchangeable per ISO 15552, uses PT ports, and includes the magnet (-S).
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 SAIJ80AX950-100S FAQ
At 0.9 MPa, this 80mm bore cylinder provides 4523N of push force and 4071N of pull force. It reaches a maximum of 513 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stopper, allowing you to shorten the 950mm nominal stroke by up to 100mm. This creates a usable travel window of 850-950mm for fine-tuning without replacing the cylinder.
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