Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100
The AirTAC SAIJ63X230-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 230 mm stroke that can be dialed back by up to 100 mm, creating a highly flexible 130-230 mm usable travel window for product changeovers. In the 63 mm bore class, it delivers 1559 N of pull force at 0.5 MPa and 2182 N of push force at 0.7 MPa, making it well-suited for moderate-to-heavy actuation tasks.
This variant is built with a SUS420J2 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads on its G3/8 supply ports. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. The rear adjustment mechanism acts purely as a travel stop for end-position tuning, meaning it cannot hold a load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 230 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 SAIJ63AX230-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×230 | 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 SAIJ63AX230-100 Is Used
Product Changeovers
Dial the stroke back from 230 mm to 130 mm instantly on the production line when switching to a shorter package size, eliminating the need to physically swap cylinders.
End-Position Calibration
Fine-tune the retract end-position during machine commissioning by adjusting the rear stopper screw, ensuring perfect alignment without adding external spacers.
Variable Forming Stops
Provide a customizable mechanical stop for bending or forming presses, allowing operators to set the exact travel distance per workpiece batch.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-100 the Right Cylinder?
Choose this 63 mm bore cylinder when your application requires 1559 N of pull force at 0.5 MPa but demands a highly variable end-stop. The 100 mm adjustment range allows you to fine-tune the travel window down to 130 mm at commissioning without swapping out the physical cylinder or adding external mechanical stops. If you need less force, stepping down to a 50 mm bore drops the 0.5 MPa pull force to 825 N. If your setup requires true load-holding without continuous air pressure, this standard SAIJ adjuster will not act as a lock; you should evaluate the AirTAC SAIL or BSAI series instead.
As a dimensionally interchangeable ISO 15552 profile cylinder, this model replaces any standard ISO 15552 unit with a 63 mm bore and 230 mm stroke. The exact replacement configuration requires PT tapered port threads, a SUS420J2 stainless steel rod, no magnet, and the SAIJ-specific mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 230 mm stroke is relatively long for a 63 mm bore, ensure you use an external guide to prevent excessive side-loading on the rod.
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 SAIJ63AX230-100 FAQ
At a 0.5 MPa operating pressure, this 63 mm bore cylinder generates 1559 N of pull force and 1402 N of push force. If you increase the pressure to 0.7 MPa, the push force rises to 2182 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from its 230 mm nominal length down to as little as 130 mm. This provides a 100 mm tuning window for machine setup, but it is only a travel stop and does not lock or hold the load without air pressure.
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