Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-30
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-30 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 SAIJ63AX230-30
The AirTAC SAIJ63X230-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to shorten the effective travel by up to 30 mm. This yields a usable stroke window of 200 to 230 mm, enabling precise end-position tuning at commissioning without swapping out the physical cylinder. Belonging to the 63 mm bore class, it delivers 2182 N of push force and 1402 N of pull force at 0.7 MPa, making it robust enough for demanding mid-range automation tasks.
This unit is built with a SUS420J2 stainless steel rod (option A) for superior corrosion resistance and features PT tapered port threads (G3/8) for a tight, reliable pneumatic connection. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is not configured with a magnet. The rear adjuster functions strictly as a mechanical stop to set deceleration and end-of-travel limits, meaning it will not hold a load safely without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-30 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-30 |
|---|---|
| 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 SAIJ63AX230-30
| 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 SAIJ63AX230-30 Is Used
Product Changeover
Quickly dial the stroke back by 30 mm when switching product sizes on a conveyor line, avoiding mechanical teardown.
End-Stop Tuning
Fine-tune the final retract position during machine commissioning to perfect a pressing or clamping operation.
Assembly Pressing
Leverage 2182 N of push force at 0.7 MPa to seat bearings or pins, with a mechanical stop for consistent depth.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX230-30 the Right Cylinder?
Choose this 63 mm bore cylinder when an application requires 1559 N of push force at 0.5 MPa, stepping up from a 50 mm bore (982 N) to handle heavier actuation demands. The 30 mm adjustment range is ideal for product changeovers on a packaging line, allowing operators to dial in the exact end-stop between 200 and 230 mm without adding external physical stops. If your process requires the load to remain locked in place during an air pressure failure, you should opt for the SAIL (pneumatic lock) or BSAI (clamp-lock) series instead, as the SAIJ adjuster is not a holding brake.
For an exact ISO 15552 replacement, match the 63 mm bore, 230 mm stroke, 30 mm adjustment code, PT G3/8 port thread, and the SUS420J2 stainless steel rod material. Since the stroke is 230 mm, standard mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. While 230 mm is relatively short, always ensure the load is guided to prevent excessive side-load wear on the M16x1.5 rod thread.
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 SAIJ63AX230-30 FAQ
At an operating pressure of 0.7 MPa, this 63 mm bore cylinder generates 2182 N of push force and 1402 N of pull force. It can deliver a maximum push force of 2805 N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 230 mm stroke by up to 30 mm, providing a usable travel window of 200 to 230 mm. It sets the end position but does not lock the load without live air pressure.
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