Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30S 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 SAIJ32AX185-30S
The AirTAC SAIJ32X185-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 155-185mm usable travel window, allowing you to trim the nominal 185mm stroke by up to 30mm during commissioning. Delivering 402N of push force at 0.5MPa, it handles light-duty positioning while maintaining a standard 30-800mm/s speed range.
This variant features an SUS420J2 stainless steel rod for improved corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel carries sensor grooves on both sides. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30S |
|---|---|
| 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 SAIJ32AX185-30S
| 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 SAIJ32AX185-30S Is Used
Machine Setup & Changeover
Dial in the exact 155-185mm end position during machine setup or product size changes without swapping cylinders.
Variable End-Stop Tuning
Use the 30mm rear adjuster to fine-tune the retract stroke on the fly, compensating for mechanical tolerances.
Light-Duty Positioning
Achieve precise end-positioning with 402N push force while tracking travel with CMSE or DMSE sensors.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30S the Right Cylinder?
Choose this 32mm bore when 402N of thrust at 0.5MPa is sufficient; step up to the 40mm bore if your application requires 628N. The 30mm adjustment range is ideal for product changeovers, letting you fine-tune the retract end position without adding external stops or swapping a fixed-stroke SAI cylinder.
The rear adjuster acts solely as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series. This SAIJ32X185-30-S includes a PT tapered port, an SUS420J2 rod, and a -S magnet. Its 185mm stroke is under the 1000mm maximum, so no external side-load guide is strictly required, though long unsupported rods still benefit from guidance.
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 SAIJ32AX185-30S FAQ
The nominal stroke is 185mm, but the rear adjuster allows you to shorten the effective travel by up to 30mm, creating a usable stroke window of 155-185mm.
At 0.5MPa it provides 402N of push force and 345N of pull force. At 0.7MPa the push force increases to 563N.
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