Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-100S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-100S 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 SAIJ63AX175-100S
The AirTAC SAIJ63X175-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 175 mm nominal stroke by up to 100 mm. This yields a wide usable travel window of 75 to 175 mm, letting you fine-tune end positions at commissioning or on product changeovers without swapping the cylinder or adding external stops. In the 63 mm bore class, it delivers 1559 N of pull force and 2182 N of push force at 0.7 MPa.
This SKU is built with a SUS420J2 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel features sensor grooves on both sides, and the included magnet (-S) supports position detection via AirTAC CMSE reed or DMSE solid-state switches. The rear adjuster acts purely as a travel stop to set deceleration, not a lock, so live air is required to hold the load.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-100S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-100S |
|---|---|
| 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 SAIJ63AX175-100S
| 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 SAIJ63AX175-100S Is Used
Product Changeover Lines
Leverage the 75-175 mm adjustable travel window to switch between different package lengths on a single conveyor without physically replacing the actuator.
Commissioning End-Stop Tuning
Dial in the exact retract position during machine setup using the rear screw, avoiding the need to machine external spacers or shims.
Variable Stroke Forming
Adjust the effective stroke depth on the fly for pressing or forming applications that require different material compression distances.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-100S the Right Cylinder?
Choose this 63 mm bore when you need 1559 N pull at 0.5 MPa, which sits neatly between the 825 N pull of the 50 mm bore and the 2268 N pull of the 80 mm bore. The massive 100 mm adjustment range is ideal for machines running multiple product sizes, replacing the need to stock several fixed-stroke SAI cylinders. For load-holding without continuous air pressure, this cylinder is not suitable; you should look at the SAIL or BSAI series instead.
This configuration includes a PT tapered port, a SUS420J2 stainless steel rod, and the -S magnet for CMSE/DMSE sensors. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the nominal stroke of 175 mm is under 300 mm, side-load concerns are minimal, though the 20 mm rod and M16x1.5 thread handle standard loads well.
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 SAIJ63AX175-100S FAQ
The rear adjuster screw lets you shorten the 175 mm nominal stroke by up to 100 mm, providing an effective travel range of 75 to 175 mm. This stopper only sets the end position and deceleration; it does not lock the load.
At a 0.5 MPa operating pressure, it provides 1559 N of pull force and 1402 N of push force. At 0.7 MPa, the push force increases to 2182 N.
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