Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 170mm 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
- Stroke170 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50
The AirTAC SAIJ100X170-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5 MPa. It features a SUS420J2 stainless steel rod (option A) and PT tapered ports. By turning the rear stopper screw, you can trim the effective travel by up to 50mm, creating a precise 120-170mm usable stroke window for exact end-position tuning.
This adjuster functions strictly as a mechanical stop to set the travel end and relies on the integrated air cushions for deceleration; it does not lock the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily mount CMSE reed or DMSE electronic switches if a magnet is specified later.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 170 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 SAIJ100AX170-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×170 | 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 SAIJ100AX170-50 Is Used
Product Changeover
Dial in the 120-170mm travel window during format size changes on a packaging line without physically replacing the actuator.
End-Stop Tuning
Fine-tune the retract position at machine commissioning to perfectly seat heavy components, using the rear screw rather than external shims.
Assembly Pressing
Leverage the 3927N push force at 0.5 MPa for pressing bearings, with the 50mm trim allowing precise depth control for different parts.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-50 the Right Cylinder?
Choose this 100mm bore when an 80mm cylinder (providing 2513N push at 0.5 MPa) lacks the necessary thrust, but before stepping up to a 125mm bore (6136N). The 50mm adjustment range is ideal for product changeovers on a packaging line, letting you dial in the exact 120-170mm end-stop without swapping the cylinder or adding external stops. For load-holding without continuous air pressure, consider the SAIL or BSAI series instead, as the SAIJ adjuster is not a locking mechanism.
To match this ISO 15552 interchangeable cylinder, confirm the 100mm bore, 170mm nominal stroke, 50mm adjustment, G3/8 PT port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 170mm stroke is relatively short, side-load stress is minimal, though an external guide remains best practice for heavy 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 SAIJ100AX170-50 FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7 MPa, the push force increases to 5497N.
The rear stopper screw allows you to shorten the 170mm nominal stroke by up to 50mm, providing an adjustable travel window of 120 to 170mm. The screw acts as a travel stop and must not be used to hold loads without live air pressure.
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