Airtac SAIJ100 Adjustable Cylinder SAIJ100AX185-100S
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX185-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 185mm 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
- Stroke185 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 SAIJ100AX185-100S
The AirTAC SAIJ100X185-100-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a broad usable travel window of 85 to 185 mm, allowing you to dial back the nominal stroke by up to 100 mm during commissioning.
This specific configuration features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a built-in magnet (-S) for position sensing. The extruded aluminum barrel includes sensor grooves on both sides, seamlessly accepting AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical stop to fine-tune the end position without requiring external stops or cylinder swaps.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX185-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX185-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 185 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 SAIJ100AX185-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×185 | 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 SAIJ100AX185-100S Is Used
Product Changeover
Dial in the exact end-stop for varying part lengths on a single line, utilizing the 100 mm adjustment range to switch profiles without swapping cylinders.
Commissioning Calibration
Fine-tune the final retract position during machine setup to align heavy 3927 N loads perfectly, avoiding the need for external mechanical stoppers.
Variable End Positioning
Adapt the stroke window on the fly for multi-model assembly lines, using the 85-185 mm travel range to accommodate different tooling depths.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX185-100S the Right Cylinder?
Choose this 100 mm bore cylinder when an application demands high thrust combined with flexible end-position tuning across a wide 85-185 mm range. Because the 185 mm stroke is under the 300 mm threshold, side-load concerns are minimal, though the robust 25 mm rod and M20x1.5 thread handle substantial off-center loads.
An adjustable-stroke SAIJ is preferred over a fixed SAI when a machine requires frequent product-size changeovers or precise end-stop calibration without physically replacing the actuator. Remember that the rear adjuster and the variable air cushions only decelerate the load; they do not function as a lock. For true load-holding without live air pressure, select a SAIL (air-released lock) or BSAI (clamp-lock) cylinder. This PT-ported, ISO 15552 interchangeable profile cylinder supports mountings Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100AX185-100S FAQ
At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw lets you mechanically shorten the effective stroke by up to 100 mm from the nominal 185 mm, providing an adjustable travel window of 85 to 185 mm without changing the cylinder mount.
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