Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40
The AirTAC SAIJ32X75-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that permits up to 40 mm of travel reduction. This creates a usable working window of 35 to 75 mm, enabling highly precise end-position tuning at commissioning without the need to swap out the unit or bolt on external stops. It features a SUS420J2 stainless steel piston rod and PT tapered port threads.
Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, this compact bore fits tight machinery layouts while providing enough thrust for light positioning and clamping tasks. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting, and the SAIJ series supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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 SAIJ32AX75-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SAIJ32AX75-40 Is Used
Component Sealing Press
Dialing in the exact 35 to 75 mm travel window ensures delicate electronic components are pressed together perfectly without causing impact damage during initial machine commissioning.
Variable Product Diverter
Adjusts the retract stop on the fly to accommodate different package sizes moving down a packaging line, ensuring the diverter arm clears varying carton widths.
Gauge Positioning Stop
Provides a fine-tuned mechanical end stop for testing fixtures, allowing operators to shift the effective stroke by up to 40 mm when switching between different part profiles.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-40 the Right Cylinder?
Select this 32 mm bore model when an application requires exact end-stop calibration during setup or product changeover, stepping up from smaller actuators if you need more than the 402 N thrust available at 0.5 MPa. The rear adjustment mechanism acts purely as a mechanical stop to set the travel end and relies on the integrated air cushion for deceleration; it does not hold the load securely without live air pressure. For applications requiring true load-holding without continuous air, consider the SAIL or BSAI series instead.
To match this ISO 15552 interchangeable cylinder for replacement, specify a 32 mm bore, 75 mm nominal stroke, 40 mm adjustment range, PT port threads, SUS420J2 stainless rod material, and no magnet. Because the nominal stroke is under 300 mm, standard mounting is sufficient without needing additional external side-load guides.
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 SAIJ32AX75-40 FAQ
At a standard 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum thrust output is 82 kgf at 1.0 MPa.
The rear adjuster screw allows you to trim the effective travel back by up to 40 mm from the nominal 75 mm stroke, creating a usable window of 35 to 75 mm. This stopper sets the end position but does not lock the load without live air pressure.
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