Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100
The AirTAC SAIJ63X170-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 170 mm stroke that can be dialed back by up to 100 mm, creating a wide 70 to 170 mm usable travel window for high-flexibility tooling setups. Delivering a push force of 2182 N at 0.7 MPa, it handles substantial actuation loads while allowing precise end-position tuning without swapping out the physical barrel.
This variant uses a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance compared to standard carbon steel. It features PT tapered port threads (G3/8) and omits the FB, CA, CB, and CR mounting accessories, utilizing a focused mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2. The extruded aluminum barrel includes sensor grooves on both sides, ready for future automation upgrades.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100 |
|---|---|
| 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100
| 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100 Is Used
Product Changeover
Rapidly dial in the 70-170 mm travel window during packaging line format changes to accommodate different carton sizes without replacing the actuator.
End-Position Tuning
Fine-tune the retract end-stop at machine commissioning to perfect the seating pressure of a 2182 N assembly tool without adding external stopper blocks.
Variable End Stops
Adjust the effective stroke on the fly for automated test fixtures that need to probe components at multiple depths within the 100 mm adjustment range.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-100 the Right Cylinder?
Select this 63 mm bore when your application requires a push force around 2182 N at 0.7 MPa, but you need to frequently alter the end-stop position for varying product sizes. The massive 100 mm adjustment range allows you to trim the effective stroke down to 70 mm during commissioning or product changeovers without bolting on external stops. If your process requires less force, stepping down to a 50 mm bore yields 1374 N of push thrust at 0.7 MPa.
Because the 170 mm stroke is below the 300 mm threshold, standard side-load concerns are minimal, though an external guide is still recommended for heavy lateral loads. Remember that the rear adjuster acts purely as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the AirTAC SAIL or BSAI clamping cylinders. To match this ISO 15552 dimensionally interchangeable cylinder, specify a 63 mm bore, 170 mm stroke, 100 mm adjustment, PT G3/8 ports, and no magnet.
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 SAIJ63AX170-100 FAQ
The rear-mounted adjusting screw acts as a mechanical stopper that trims the retract end position. For this model, you can shorten the 170 mm nominal stroke by up to 100 mm, giving an adjustable usable travel window of 70 to 170 mm.
At a standard operating pressure of 0.7 MPa, this 63 mm bore cylinder generates a push force of 2182 N and a pull force of 1402 N. It can deliver up to 2805 N of push force at its maximum rated pressure of 0.9 MPa.
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