Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 180mm 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
- Stroke180 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10
The AirTAC SAIJ63X180-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 170-180 mm usable travel window. Delivering 1559 N of push thrust at 0.5 MPa, it handles mid-range actuation with precision. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
This SKU uses a SUS420J2 stainless steel rod for improved corrosion resistance and features a PT tapered port thread. The rear adjuster allows you to fine-tune the retract end-position at commissioning without bolting on external stops. It functions strictly as a travel stop to set deceleration, not as a lock, meaning the cylinder cannot hold a load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 180 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 SAIJ63AX180-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×180 | 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 SAIJ63AX180-10 Is Used
Changeover Calibration
Dial in the 170-180 mm travel window during product size changes on a packaging line without physically replacing the cylinder.
End-Stop Tuning
Fine-tune the retract position during machine commissioning to perfect a pressing operation within a 10 mm tolerance.
Assembly Positioning
Position components accurately using the rear stopper, leveraging the 1559 N thrust to move mid-weight jigs into place.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX180-10 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 10 mm adjustment range is ideal for machines requiring exact end-stop tuning during setup or product changeover, avoiding the need to swap out a fixed-stroke SAI cylinder. For ISO 15552 interchangeability, match the 180 mm stroke, 10 mm adjuster, PT G3/8 port, and your required mounting from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. Since this model lacks the -S magnet, it cannot host position-sensing switches without modification.
With a 180 mm stroke, the 20 mm diameter rod handles standard loads well, but long unsupported strokes on larger bores still require an external guide to prevent side-load damage. If your process requires true load-holding without continuous air, consider the SAIL or BSAI series instead.
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 SAIJ63AX180-10 FAQ
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides 1559 N of push thrust and 1402 N of pull thrust. The maximum thrust is 318 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 180 mm nominal stroke by up to 10 mm, creating a 170-180 mm travel window. It acts as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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