Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30
The AirTAC SAIJ63X175-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 145 to 175 mm, allowing precise end-position tuning during commissioning without swapping out the unit or adding external stops. Operating at 0.15 to 1.0 MPa, it delivers a robust 2182 N of push force and 1402 N of pull force at 0.7 MPa, making it well-suited for mid-range industrial motion control.
This specific configuration includes a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. The rear adjuster functions strictly as a travel stop to decelerate the load, not as a locking device, meaning live air pressure is required to maintain position.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 175 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 SAIJ63AX175-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×175 | 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 SAIJ63AX175-30 Is Used
Machine Changeover
Dial in the 145-175 mm stroke window during product size transitions to set new end positions rapidly without changing the cylinder.
Assembly Positioning
Leverage the 2182 N push force at 0.7 MPa to move components accurately while fine-tuning the final retract position via the rear screw.
Automated Conveying
Use the PT-threaded 63 mm bore to actuate diverters and stops, adjusting the travel end to compensate for mechanical wear over time.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-30 the Right Cylinder?
Choose this 63 mm bore when your application demands the 2182 N push force at 0.7 MPa, bridging the gap between the 50 mm bore (1374 N push) and the 80 mm bore (3518 N push). The 30 mm adjustable window is ideal for machine setups requiring variable end-stops during product changeovers. For load-holding without continuous air pressure, consider the SAIL or BSAI series, as the SAIJ adjuster does not lock the piston. It uses the standard ISO 15552 mounting interface with a reduced set of brackets (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR mounts.
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 SAIJ63AX175-30 FAQ
At 0.7 MPa operating pressure, this 63 mm bore cylinder provides 2182 N of push force and 1402 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 318 kgf.
The rear adjuster screw allows you to shorten the 175 mm nominal stroke by up to 30 mm, creating a usable travel window of 145 to 175 mm. It acts as a stop to tune the end position and does not lock the load without air pressure.
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