Airtac SAI63 Standard Cylinder SAI63AX170
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX170 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX170
The AirTAC SAI63X170 is a double-acting ISO 15552 profile cylinder engineered to deliver 1559 N of push force at 0.5 MPa. Its 170 mm stroke provides the exact mid-range travel needed for automated clamping and indexing tasks.
This configuration incorporates a SUS420J2 stainless steel piston rod (material code A) for superior corrosion resistance compared to standard carbon steel. It utilizes PT tapered port threads and, because it lacks the -S magnet option, is optimized for pure pneumatic actuation without sensor tracking.
Airtac SAI63 Standard Cylinder SAI63AX170 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX170 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 170 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 SAI63 Standard Cylinder SAI63AX170
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×170 | 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 SAI63 Standard Cylinder SAI63AX170 Is Used
Automated Clamping
Provides 1559 N of clamping force at 0.5 MPa to secure heavy metal castings during CNC machining operations.
Package Diverting
Uses the 170 mm stroke to push heavy cartons off a main conveyor belt onto a secondary packaging line.
Press Ejection
Cycles quickly at 30-800 mm/s to eject finished stamped parts from a hydraulic press bed.
Is the Airtac SAI63 Standard Cylinder SAI63AX170 the Right Cylinder?
Select this 63 mm bore when a 50 mm bore (982 N at 0.5 MPa) cannot supply enough thrust, but an 80 mm bore (2513 N at 0.5 MPa) would be physically oversized. The 170 mm stroke keeps the rod fully supported without requiring external guides.
As a standard double-acting cylinder, it relies on continuous air pressure to maintain its position. If your fixture drops when air is exhausted, integrate the SAIL variant with an air-released lock or use an external pilot-operated check valve. This model is dimensionally interchangeable per ISO 15552, matching the bore, stroke, PT G3/8 port, and mounting accessory standards of comparable profile cylinders.
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 SAI63 Standard Cylinder SAI63AX170 FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder generates a push force of 1559 N and a pull force of 1402 N. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X170 is built to ISO 15552 dimensional standards, making it a drop-in replacement for other ISO 15552 profile cylinders with a 63 mm bore, 170 mm stroke, and G3/8 port.
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