Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 15mm 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
- Stroke15 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S
The AirTAC SAIJ63X15-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a 1559N pull force at 0.5 MPa. It provides a usable travel window of 5 to 15 mm, allowing you to dial back the 15 mm nominal stroke by up to 10 mm. This cylinder includes an SUS420J2 stainless steel rod (option A) and a built-in magnet for position sensing.
It features PT tapered port threading and dual sensor grooves compatible with CMSE reed and DMSE electronic switches. The rear adjustment mechanism acts strictly as a travel stop to fine-tune end positions at commissioning, not as a load-holding lock.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 15 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 SAIJ63AX15-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×15 | 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 SAIJ63AX15-10S Is Used
Precision Actuation
Dial in the exact 5 to 15 mm travel window during machine commissioning to guarantee precise end-position placement.
Product Changeover
Quickly adjust the rear stopper to accommodate slight variations in product dimensions without replacing the cylinder.
Assembly Clamping
Apply a controlled 1559N pull force at 0.5 MPa for secure clamping, fine-tuning the stroke to prevent over-travel.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX15-10S the Right Cylinder?
Choose this adjustable-stroke model when an application requires precise end-position tuning without adding external stops or swapping cylinders. If you need less force, stepping down to a 50mm bore yields a 825N pull force at 0.5 MPa. For load-holding without live air pressure, consider the SAIL or BSAI series, as the SAIJ adjuster will not hold the load. This cylinder is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ63AX15-10S FAQ
At 0.5 MPa operating pressure, this 63mm bore cylinder generates a push force of 1559N and a pull force of 1402N.
The rear adjuster allows you to shorten the 15mm nominal stroke by up to 10mm, creating a usable travel window of 5 to 15 mm for fine-tuning end positions.
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