Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10
The AirTAC SAIJ63X290-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear mechanical adjuster. It provides a 280-290 mm usable travel window, enabling exact end-position tuning during commissioning without swapping out the unit. In the 63 mm bore class, it delivers a 1559 N push and 1402 N pull force at 0.5 MPa, operating at speeds of 30-800 mm/s.
This specific SKU features an SUS420J2 stainless steel piston rod for improved corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Mounting options cover the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting the FB, CA, CB, and CR brackets.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 290 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 SAIJ63AX290-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×290 | 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 SAIJ63AX290-10 Is Used
End-Position Tuning
Dial in the exact 280-290 mm retract position during commissioning to perfect machine timing without adding external stops.
Product Changeover
Quickly adapt the cylinder's effective stroke on packaging lines when handling slightly different carton or product sizes.
Assembly Pressing
Apply a consistent 1559 N pressing force at 0.5 MPa while using the adjuster to prevent over-travel and damage to delicate components.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX290-10 the Right Cylinder?
Choose this 63 mm bore adjustable model when a standard fixed-stroke SAI cylinder cannot accommodate minor dimensional variances during machine setup or product changeover. If your application requires less thrust, stepping down to the 50 mm bore yields 982 N at 0.5 MPa, whereas moving up to the 80 mm bore provides 2513 N. At a 290 mm stroke, the 20 mm diameter rod provides good rigidity, but always use an external guide to prevent side-load damage on long unsupported travels.
The rear adjuster on this cylinder acts solely as a travel stop to fine-tune the retract position; it does not lock or hold the load without continuous air pressure. For true fail-safe load holding, consider the SAIL series with an air-released lock or the BSAI clamp-lock variant. This unit is dimensionally interchangeable with other ISO 15552 cylinders, matching the 63 mm bore, 290 mm stroke, PT port, and no magnet (-S) configuration.
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 SAIJ63AX290-10 FAQ
The rear adjuster screw allows you to mechanically shorten the stroke by up to 10 mm, creating a 280-290 mm usable travel window for precise end-position tuning without replacing the cylinder.
At a 0.5 MPa operating pressure, this 63 mm bore cylinder provides 1559 N of push force and 1402 N of pull force. It can reach up to 2805 N push force at 0.9 MPa.
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