Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-75S 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 SAIJ32AX185-75S
The AirTAC SAIJ32X185-75-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 110-185 mm, allowing you to dial back the 185 mm nominal stroke by up to 75 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant includes a piston magnet for position sensing with AirTAC CMSE reed and DMSE electronic switches. It uses an SUS420J2 stainless steel rod for corrosion resistance and features PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-75S |
|---|---|
| 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 SAIJ32AX185-75S
| 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 SAIJ32AX185-75S Is Used
Machine Setup & Commissioning
Fine-tune the 110-185 mm travel window during initial machine build without machining external stoppers or swapping the cylinder.
Product Size Changeovers
Quickly dial the end-stop back by up to 75 mm to accommodate varying package lengths on a packaging conveyor.
Adjustable End-Positioning
Use the rear adjuster to set precise retraction points for tooling that handles different part dimensions on the same line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-75S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa and significant end-position variability. If you need higher thrust, stepping up to the 40 mm bore yields 628 N push force. The 75 mm adjustment range is ideal for product changeovers on a packaging line, functioning as an external stop built into the cylinder. The rear adjuster acts as a travel stop and relies on the variable air cushion for end-of-stroke deceleration; it is not a lock. For load-holding without live air pressure, select the SAIL or BSAI series instead. As a dimensionally interchangeable ISO 15552 cylinder, specify a 32 mm bore, 185 mm stroke, 75 mm adjustment, PT port, and -S magnet for exact replacement matching.
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 SAIJ32AX185-75S 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 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw lets you mechanically shorten the effective stroke from the nominal 185 mm down to 110 mm. This creates a 75 mm adjustable travel window for fine-tuning end positions without replacing the cylinder.
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