Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-10 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 SAIJ63AX170-10
The AirTAC SAIJ63X170-10 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a 1559N push force at 0.5 MPa and utilizes a PT G3/8 port. The built-in adjustment screw provides a usable travel window of 160 to 170 mm, allowing you to trim the effective stroke by up to 10 mm during commissioning without adding external stops.
This configuration includes a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. It supports speeds of 30-800 mm/s and features variable air cushions at both ends. The rear adjuster acts strictly as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-10 |
|---|---|
| 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 SAIJ63AX170-10
| 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 SAIJ63AX170-10 Is Used
Machine Changeover
Dial in the 160-170 mm travel window during product size changes to set new end positions rapidly without changing the cylinder.
End-Position Tuning
Fine-tune the retract stroke by up to 10 mm at commissioning to perfect the seating of parts without adding external mechanical stops.
Assembly Stations
Utilize the 1559N push force at 0.5 MPa for pressing and clamping tasks where slight adjustments to the final position are required.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX170-10 the Right Cylinder?
Select this 63mm bore cylinder when an application requires precise end-position tuning within a 160-170 mm travel window. If you need less force, stepping down to a 50mm bore yields 982N of push force at 0.5 MPa. For heavier loads, an 80mm bore provides 2513N. Choose this adjustable-stroke SAIJ model over a fixed SAI cylinder when machine setups require product changeovers or fine-tuning without physically swapping the actuator.
Because the nominal stroke is 170 mm, side-loading is moderate, but always guide the load externally for optimal seal life. Remember that the rear adjuster is a stop, not a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder. This unit uses a PT tapered port thread, omits a magnet for sensors, and is dimensionally interchangeable per ISO 15552.
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 SAIJ63AX170-10 FAQ
At 0.5 MPa operating pressure, this 63mm bore cylinder provides a push force of 1559N and a pull force of 1402N. At 0.7 MPa, the push force increases to 2182N.
The rear adjuster screw allows you to shorten the 170mm nominal stroke by up to 10mm, creating a 160-170mm usable travel window. The adjuster acts as a mechanical stop for end-position tuning and does not function as a lock to hold the load without air pressure.
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