Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 35mm 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
- Stroke35 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30
The AirTAC SAIJ80X35-30 is a double-acting, single-rod ISO 15552 profile cylinder engineered for precise rear-end position tuning. Equipped with a rear adjusting screw, it trims the 35 mm nominal stroke back by up to 30 mm, yielding a highly adaptable 5-35 mm usable travel window. Delivering a robust 3518 N of push force at 0.7 MPa, it handles demanding actuation with ease.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and carries a G3/8 port. The extruded aluminum barrel incorporates sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic switches if a magnet is added later. It supports a standard mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 SAIJ80AX35-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×35 | 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 SAIJ80AX35-30 Is Used
Short-Stroke Calibration
Dial in the exact 5 to 35 mm end position during machine commissioning to perfect short-stroke clamping or pressing without swapping cylinders.
Product Changeover
Quickly adjust the travel end-stop on packaging lines when handling different product sizes, using the 30 mm trim range to adapt on the fly.
Precision Pressing
Leverage the 3518 N push force at 0.7 MPa for firm pressing operations, using the rear screw to set precise bottoming depth for delicate assemblies.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX35-30 the Right Cylinder?
Choose this 80 mm bore when an application requires substantial force—such as 3518 N push at 0.7 MPa—that a 50 mm bore (1374 N) cannot provide, but where stepping up to a 100 mm bore (5497 N) would be excessive. The adjustable 5-35 mm travel window is ideal for short-stroke setups requiring exact end-stop calibration during commissioning without adding external stops. Mounting utilizes PT tapered threads and the reduced SAIJ bracket set, omitting FB, CA, CB, and CR options. Because the stroke is under 300 mm, side-load stress is minimal, though external guides are still recommended for heavy lateral loads. Note that the rear adjuster acts only as a travel stop; it does not hold the load without live air, so a SAIL or BSAI lock cylinder is needed for dead-load holding.
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 SAIJ80AX35-30 FAQ
At 0.7 MPa operating pressure, this 80 mm bore cylinder provides 3518 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 4523 N push force.
The rear adjuster screw allows you to shorten the 35 mm nominal stroke by up to 30 mm. This creates a usable travel window of 5 to 35 mm, letting you fine-tune the exact end position at commissioning without changing the cylinder.
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