Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 185mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke185 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100
The AirTAC SAIJ32X185-100 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 185 mm stroke that can be dialed back by up to 100 mm, yielding a highly flexible 85-185 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it suits applications requiring exact end-position tuning without swapping physical components.
This variant features a SUS420J2 stainless steel rod (code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. Fluid supply must be filtered to 40 um, and the PT tapered port thread ensures a robust pneumatic connection.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 185 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | 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 Adjustable Cylinder SAIJ32 SAIJ32AX185-100 Is Used
Machine Changeover
Dial in the 85-185 mm travel window during product size changes without physically swapping cylinders or adding external stopper blocks.
End-Position Trimming
Fine-tune the retract end position at commissioning to compensate for mechanical tolerance stack-up in fixture alignment.
Adjustable Diverter
Adjust the stroke length on a sorting line diverter to accommodate varying package dimensions on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-100 the Right Cylinder?
Choose this 32 mm bore when you need variable end-stops for frequent product changeovers rather than a fixed-stroke SAI cylinder. If your application requires greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The rear adjuster acts purely as a mechanical stop to decelerate travel; it does not hold the load without live air. For secure load-holding, consider the SAIL or BSAI series.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 185 mm nominal stroke, 100 mm adjustment range, PT port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 12 mm rod and M10x1.25 thread carry limited side-load capacity, always use an external guide for unsupported 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 Adjustable Cylinder SAIJ32 SAIJ32AX185-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it delivers 82 kgf.
The rear adjusting screw acts as an external stopper, allowing you to shorten the effective stroke from the nominal 185 mm down to 85 mm. This provides a 100 mm tuning window for precise end-position setup without replacing the cylinder.
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