Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 45mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke45 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10
The AirTAC SAIJ100X45-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position during commissioning. It features a 45mm nominal stroke that can be dialed back by up to 10mm, creating a precise 35-45mm usable travel window without needing external stops. Delivering a robust 3927N push force at 0.5MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads.
This adjustable-stroke design eliminates the need to swap cylinders when product sizes change on the line. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. Note that the rear adjuster functions purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 45 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 | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×45 | 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 SAIJ100BX45-10 Is Used
Machine Changeover
Dial in the 35-45mm travel window during product size changes to set new end positions instantly without swapping hardware.
Actuator Setup
Use the rear stopper to fine-tune the final retracted position during initial commissioning, avoiding external shims.
Assembly Station Tuning
Adjust the effective stroke on the fly to accommodate varying part dimensions on a dynamic assembly line.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX45-10 the Right Cylinder?
Choose this 100mm bore cylinder when your application requires substantial force—such as 3927N push at 0.5MPa or 5497N at 0.7MPa—and requires exact end-position tuning. If your setup needs less force, stepping down to an 80mm bore yields 2513N at 0.5MPa, while a 125mm bore offers 6136N for heavier loads. The adjustable 35-45mm window is ideal for machine setups requiring variable end stops. For load-holding without live air, consider the SAIL or BSAI series, as the SAIJ adjuster is only a stop. Replacement matches require a 100mm bore, 45mm stroke, 10mm adjustment, PT port, SUS304 rod, and no magnet.
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 SAIJ100BX45-10 FAQ
At 0.5MPa operating pressure, it provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw lets you shorten the 45mm nominal stroke by up to 10mm, providing a usable travel window of 35-45mm to fine-tune the end position without replacing the cylinder.
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