Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-75 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 SAIJ100AX170-75
The AirTAC SAIJ100X170-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5 MPa. By turning the rear stopper screw, you can trim the nominal 170mm travel back by up to 75mm, creating a precise 95-170mm usable window. This allows you to fine-tune the retract end position at commissioning without swapping out the cylinder or fabricating external stops.
This unit features an SUS420J2 stainless steel rod for enhanced durability against moisture and PT tapered port threads for a reliable pneumatic seal. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement, though this specific SKU is configured without a magnet. The rear adjuster acts purely as a travel stop to set the end position and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-75 |
|---|---|
| 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 SAIJ100AX170-75
| 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 SAIJ100AX170-75 Is Used
Variable End-Stop Tuning
Dial in the exact retract position within the 95-170mm window during machine commissioning to accommodate different material thicknesses without adding external mechanical stops.
Product Size Changeover
Quickly adjust the stroke length on packaging or sorting lines when switching between different product sizes, leveraging the 75mm adjustment range to handle varied formats.
Heavy Assembly Pressing
Utilize the 100mm bore's 3927N push force at 0.5 MPa to seat heavy components, using the rear stopper to prevent over-travel and ensure consistent press depth.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX170-75 the Right Cylinder?
Choose this 100mm bore when you need substantial thrust—such as the 5497N push force at 0.7 MPa—for heavy product changeover tasks requiring a variable end stop. If your application requires less force, stepping down to an 80mm bore yields 2513N at 0.5 MPa, while moving up to a 125mm bore provides 6136N. The adjustable stroke is ideal for machines processing varying product sizes, giving you a 95-170mm travel window to dial in on the fly versus a fixed-stroke SAI cylinder.
Because the stroke is 170mm, side-load stress is moderate, but always ensure external guiding for heavy loads to protect the 25mm rod. Remember that the rear adjuster is a stop, not a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder. This model is dimensionally interchangeable per ISO 15552 and uses the standard SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets.
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 SAIJ100AX170-75 FAQ
At 0.5 MPa, 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 adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the nominal 170mm down to as little as 95mm. This creates a 95-170mm travel window for fine-tuning the end position without changing the cylinder.
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