Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 115mm 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
- Stroke115 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S
The AirTAC SAIJ63X115-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 105 to 115 mm. Delivering a push force of 1559 N at 0.5 MPa, it handles robust actuation while allowing precise end-position tuning during commissioning without swapping out the unit.
This variant features a SUS420J2 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing with CMSE reed and DMSE electronic switches. It uses PT tapered port threads (G3/8) and relies on a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), deliberately omitting FB, CA, CB, and CR mounts.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 115 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 SAIJ63AX115-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×115 | 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 SAIJ63AX115-10S Is Used
Machine Setup Fine-Tuning
Dial in the exact 105 to 115 mm end-position during commissioning to perfect product handling without adding external stops.
Product Size Changeover
Quickly adjust the rear stopper by up to 10 mm to accommodate slightly different part lengths on the same production line.
Corrosion-Resistant Actuation
Leverage the SUS420J2 stainless steel rod and 1559 N thrust for reliable, precise motion in humid or washdown manufacturing environments.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10S the Right Cylinder?
Choose this 63 mm bore when a 50 mm bore falls short—generating only 982 N of push force at 0.5 MPa—and before stepping up to an 80 mm bore that yields 2513 N. The 10 mm rear adjustment screw is ideal for variable end-stops and product changeovers, offering setup flexibility that a fixed-stroke SAI cannot match. For any load-holding requirements without live air pressure, note that this adjuster acts only as a travel stop; you must integrate an external rod lock or pilot-operated check valve, or switch to an SAIL or BSAI series cylinder. When replacing an ISO 15552 cylinder, match the 63 mm bore, 115 mm stroke, 10 mm adjustment, PT G3/8 ports, and the -S magnet requirement.
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 SAIJ63AX115-10S FAQ
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides a push force of 1559 N and a pull force of 1402 N. It can reach a maximum push force of 318 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 115 mm nominal stroke by up to 10 mm, creating a 105 to 115 mm travel window. It only sets the end position and does not lock or hold the load without live air pressure.
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