Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-100S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-100S 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 SAIJ63AX260-100S
The AirTAC SAIJ63X260-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits an effective travel window of 160 to 260 mm. It delivers a 0.5 MPa push force of 1559 N and a pull force of 1402 N. The barrel is extruded aluminum with sensor grooves on both sides.
This variant includes a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and carries the -S magnet for use with CMSE reed and DMSE electronic sensors. PT tapered ports are fitted at G3/8. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position without adding external stops.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-100S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-100S |
|---|---|
| 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 SAIJ63AX260-100S
| 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 SAIJ63AX260-100S Is Used
Machine Changeover
Dial in the 160 to 260 mm retract distance during product size transitions without swapping cylinders or adding external mechanical stops.
Variable End-Stop Positioning
Set the exact end-of-stroke position for multi-format packaging lines, relying on the 100 mm rear adjustment screw to trim travel precisely.
Adjustable Diverter Arm
Actuate a sorting or diverter arm across a 160 to 260 mm travel window, fine-tuning the reach to match varying package widths on the fly.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX260-100S the Right Cylinder?
Choose this 63 mm bore when a 50 mm bore (982 N push at 0.5 MPa) is too weak but an 80 mm bore (2513 N) is oversized. The 100 mm adjustment range is ideal for machines processing variable product lengths, allowing you to dial in the exact retract distance during changeover instead of physically swapping the cylinder.
This SAIJ uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. Because the 260 mm stroke exceeds 300 mm? No, but for any stroke over 300 mm you would need an external guide to prevent rod side-load; at 260 mm the M16x1.5 rod handles standard loads well. The rear adjuster and air cushions do not hold the load without live air; for fail-safe holding, use an external rod lock, pilot-operated check valve, SAIL, or BSAI clamp-lock cylinder.
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 SAIJ63AX260-100S 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. At 0.7 MPa, the push force increases to 2182 N.
The rear adjuster screw lets you shorten the effective travel from the nominal 260 mm down to 160 mm. This mechanical stop fine-tunes the retract end position at commissioning but does not lock the load without live air pressure.
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