Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 105mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ63 mm
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30
The AirTAC SAIJ63X105-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 1559N push force at 0.5MPa and allows you to fine-tune the effective travel down to 75mm from its 105mm nominal length during machine commissioning.
This variant uses a SUS420J2 stainless steel rod for corrosion resistance and a PT tapered port. The rear adjuster acts purely as a mechanical stop to set the retract end position, so it does not hold the load without live air pressure. For load-holding without supply pressure, consider the SAIL or BSAI series.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 105 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×105 | 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 Is Used
End-Position Tuning
Dial in the exact retract distance between 75 and 105mm during setup to perfect a pressing or clamping operation without external stops.
Product Changeover
Quickly adapt the stroke window on a packaging line when switching to a different package size, saving downtime on the factory floor.
Assembly Calibration
Trim the travel by up to 30mm to compensate for mechanical wear or part tolerances in automated assembly fixtures.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 the Right Cylinder?
Choose this 63mm bore when the 50mm class (982N push at 0.5MPa) is insufficient, but the 80mm bore (2513N) would be excessive. The 30mm adjustment window is ideal for product changeovers on a line, letting you dial in the exact end-stop without swapping the cylinder or adding external stops. To replace an ISO 15552 cylinder, match the 63mm bore, 105mm stroke, 30mm adjustment, PT G3/8 port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Since no magnet is specified, position sensing via CMSE or DMSE switches is not enabled.
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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX105-30 FAQ
At 0.5MPa operating pressure, this 63mm bore cylinder provides a push force of 1559N and a pull force of 1402N. It can reach up to 2182N push at 0.7MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the 105mm nominal stroke down to 75mm. It sets the end position but does not lock the load without live air pressure.
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