Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 180mm 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
- Stroke180 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S
The AirTAC SAIJ100X180-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 3927N of push force at 0.5MPa and features a 180mm nominal stroke that can be dialed back by up to 100mm, yielding a highly flexible 80-180mm usable travel window. This wide adjustment range is ideal for product changeovers on automated lines.
This specific SKU is configured with a SUS420J2 stainless steel rod (code A) for superior corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. It uses a PT G1/2 port and relies on variable air cushions at both ends to decelerate the load. The rear adjuster functions strictly as a travel stop, meaning it cannot hold a load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 180 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 SAIJ100AX180-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×180 | 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 SAIJ100AX180-100S Is Used
Variable End-Stop Positioning
Ideal for assembly stations where the end-stop must be reconfigured for different product heights, utilizing the 80-180mm travel window to dial in the exact push distance.
Machine Setup & Changeover
Allows operators to fine-tune the retract position during product line changeovers without physically replacing the cylinder or bolting on external mechanical stops.
Product-Size Adaptation
Perfect for packaging lines handling varying package sizes, using the 100mm adjustment screw to adapt the stroke on the fly while relying on the 3927N thrust at 0.5MPa.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX180-100S the Right Cylinder?
Select this 100mm bore cylinder when an application demands high thrust (3927N push at 0.5MPa) alongside a widely variable end-position. The 80-180mm adjustment window allows precise fine-tuning at commissioning without swapping cylinders or adding external stops. If an application requires less force, stepping down to a 63mm bore provides 1559N; if more force is needed, a 125mm bore yields 6136N. Because the nominal stroke is 180mm, an external guide is recommended to manage side loads.
For a direct ISO 15552 replacement match, ensure the target bore is 100mm, the stroke is 180mm, the adjustment range is 100mm, the port is PT G1/2, and a sensor magnet is present. Remember that the SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For applications requiring true load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ100AX180-100S FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the effective stroke by up to 100mm. This creates an adjustable travel window from 80mm to 180mm, enabling fine-tuning of the end position without changing the cylinder.
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