Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10
The AirTAC SAIJ63X260-10 is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, featuring a 63mm bore and a 260mm stroke. An external screw at the rear allows you to trim the effective travel back by up to 10mm, creating a 250-260mm usable window for fine-tuning the retract end position without swapping the unit.
Delivering 1559N of push force and 1402N of pull force at 0.5MPa, this actuator integrates a SUS420J2 stainless steel rod for improved corrosion resistance. It uses a PT tapered G3/8 port and includes variable air cushions at both ends to manage deceleration, while the extruded aluminum barrel provides sensor grooves on both sides for flexible switch placement.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 260 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 SAIJ63AX260-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×260 | 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 SAIJ63AX260-10 Is Used
End-Stop Calibration
Dial in the exact retract position within the 250-260mm window during machine commissioning to perfect seating tolerances without hardware swaps.
Product Size Changeover
Quickly adapt the retract stroke by up to 10mm on automated lines processing slightly varying part lengths, minimizing downtime.
Assembly Pressing
Apply up to 1559N of thrust at 0.5MPa for seating bearings or pins, using the rear adjuster to set a precise mechanical bottoming limit.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-10 the Right Cylinder?
Select this 63mm bore model when your application requires the 1559N thrust class at 0.5MPa but demands precise end-position tuning during commissioning or product changeovers. If your setup needs less force, stepping down to a 50mm bore yields 982N of push force; stepping up to an 80mm bore provides 2513N. The 10mm adjustment range is ideal for micro-adjustments on the retract end-stop, avoiding the need to bolt on external stops or replace a fixed-stroke SAI cylinder.
Because the 260mm stroke exceeds the 300mm threshold, ensure you use an external guide to support the load and mitigate side-load stress on the M16x1.5 rod thread. For true load-holding without live air pressure, note that this cylinder's rear adjuster acts only as a travel stop, not a lock; you would need to specify an SAIL or BSAI series cylinder instead. As an ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO 15552 mounting interfaces, utilizing a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ63AX260-10 FAQ
At 0.5MPa operating pressure, this 63mm bore cylinder generates 1559N of push force and 1402N of pull force. It operates at speeds between 30 and 800mm/s, governed by your air flow and the integrated variable air cushions at both ends.
The rear external screw acts as a mechanical stopper that shortens the effective stroke by up to 10mm, giving you a usable travel window of 250 to 260mm. It only sets the travel end and deceleration point; it does not lock or hold the load without continuous air pressure.
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