Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 110mm 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
- Stroke110 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75
The AirTAC SAIJ63X110-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 110 mm stroke by up to 75 mm. This creates a highly flexible 35-110 mm usable travel window, perfect for applications requiring variable end-stops without swapping hardware. It delivers 1559 N of pull force at 0.5 MPa and features a SUS420J2 stainless steel rod for enhanced corrosion resistance.
This model utilizes PT tapered port threads (G3/8) and operates at speeds between 30-800 mm/s. The rear screw acts purely as a mechanical stop to fine-tune the retract position during commissioning; it is not a locking device. For load-holding without live air pressure, an external pilot-operated check valve or a related SAIL lock cylinder is required.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 110 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 SAIJ63AX110-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×110 | 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 SAIJ63AX110-75 Is Used
Product Size Changeovers
Quickly adapt retraction distances on packaging lines handling varying carton sizes, utilizing the 35-110 mm travel window to avoid manual hardware swaps.
End-Position Tuning
Fine-tune the retract stop during machine commissioning to achieve exact sensor alignment or clamping pressure without adding external stopper blocks.
Variable Forming Stops
Set precise bottoming positions for light-duty forming or pressing tasks, adjusting the stroke by up to 75 mm to accommodate different material thicknesses.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX110-75 the Right Cylinder?
Choose this 63 mm bore when you need substantial thrust—1559 N pull at 0.5 MPa—combined with a wide adjustment range. If your application requires less force, stepping down to a 50 mm bore yields 825 N of pull, while moving up to an 80 mm bore provides 2268 N. The SAIJ63X110-75 is selected over a fixed SAI cylinder when machine setups involve frequent product-size changes or require precise end-position tuning at commissioning.
To match this cylinder exactly for an ISO 15552 replacement, specify: 63 mm bore, 110 mm stroke, 75 mm adjustment, PT G3/8 port, and your desired mounting style. The SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR options. Because the 110 mm stroke is under 300 mm, side-load stress is manageable, but always ensure proper alignment to maximize seal life.
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 SAIJ63AX110-75 FAQ
At a standard operating pressure of 0.5 MPa, this 63 mm bore cylinder generates 1559 N of pull force and 2182 N of push force at 0.7 MPa. The maximum thrust is 318 kgf at 1.0 MPa.
The rear adjuster screw allows you to mechanically shorten the 110 mm nominal stroke by up to 75 mm, providing a usable travel range of 35-110 mm. It functions as a travel stop and does not lock the load without continuous air pressure.
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