Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 100mm 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
- Stroke100 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50
The AirTAC SAIJ63X100-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to trim the nominal 100 mm stroke back by up to 50 mm. This creates a highly flexible 50-100 mm usable travel window, allowing precise end-position tuning during commissioning or product changeovers without swapping the cylinder or adding external stops. It delivers 1559 N push and 1402 N pull thrust at 0.5 MPa, making it a robust choice for medium-force pneumatic tasks.
The piston rod is constructed from SUS420J2 stainless steel, offering enhanced corrosion resistance compared to standard carbon steel. This SAIJ model uses a PT tapered port thread and includes adjustable air cushions at both ends to manage impact deceleration. The extruded aluminum barrel features sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic sensors if position feedback is later required.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 100 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 SAIJ63AX100-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×100 | 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 SAIJ63AX100-50 Is Used
Machine Setup Calibration
Dial in the exact end-of-stroke position during initial machine commissioning, trimming up to 50 mm off the 100 mm stroke to perfect the resting position without external shims.
Product Changeover
Quickly adapt the cylinder's travel window on packaging lines when switching between product sizes, using the rear adjuster to accommodate varying part lengths on the fly.
Variable End Stops
Provide a customizable physical stop for assembly processes where the effective stroke needs to be fine-tuned between 50 and 100 mm based on the specific tooling or workpiece installed.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-50 the Right Cylinder?
Select this 63 mm bore cylinder when your application requires a variable end-stop within a 50 to 100 mm travel range, stepping up from a 50 mm bore that provides 982 N push force at 0.5 MPa, or down from an 80 mm bore offering 2513 N. The rear adjuster acts solely as a mechanical stop to set the travel end and does not hold the load without live air pressure; for true load-holding, consider an SAIL or BSAI cylinder. To match this ISO 15552 interchangeable replacement, specify: 63 mm bore, 100 mm stroke, 50 mm adjustment, PT port thread, SUS420J2 rod material, 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 SAIJ63AX100-50 FAQ
The cylinder has a 100 mm nominal stroke, but the rear adjuster allows you to shorten the effective travel by up to 50 mm. This provides a usable stroke window of 50 to 100 mm, which can be fine-tuned at commissioning without changing the cylinder or adding external stops.
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides 1559 N of push force and 1402 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 318 kgf.
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