Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX145-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 145mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke145 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40
The AirTAC SAIJ100X145-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract end position. It provides a usable travel window of 105 to 145 mm, enabling precise end-position tuning during commissioning without swapping out the entire unit.
This extruded aluminum barrel cylinder includes variable air cushions at both ends to decelerate the moving load smoothly. The rear adjuster acts strictly as a mechanical stop to set the travel limit and does not hold the load without live air pressure. It features PT tapered ports sized G1/2 and utilizes the standard SAIJ mounting set, including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 145 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×145 | 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 SAIJ100 Adjustable Cylinder SAIJ100AX145-40 Is Used
Machine Changeover
Dial in the 105-145 mm travel window during product size changes to set new retract positions without physically replacing the cylinder.
End-Position Tuning
Fine-tune the final retract position at machine commissioning using the rear stopper to correct for mechanical tolerances.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-40 the Right Cylinder?
Choose this 100 mm bore adjustable-stroke cylinder when your application requires high thrust (5497 N at 0.7 MPa) alongside variable end-stop positioning. If your force requirements are lower, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa, whereas moving up to a 125 mm bore provides 8590 N. The 40 mm adjustment range is ideal for product-size changeovers on a packaging line, removing the need to bolt on external stops.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 145 mm stroke, G1/2 PT ports, and the required mounting interface. Note that the SAIJ series omits FB, CA, CB, and CR mounts. For load-holding without continuous air pressure, select a SAIL (air-released lock) or BSAI (clamp-lock) cylinder, as this adjuster is not a brake. At 145 mm stroke, side-load is minimal, but always ensure adequate guiding for unsupported loads.
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 SAIJ100 Adjustable Cylinder SAIJ100AX145-40 FAQ
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the 145 mm nominal stroke by up to 40 mm. This creates a usable travel window of 105 to 145 mm, but it does not lock or hold the load without live air pressure.
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