Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-100
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-100 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 SAIJ63AX100-100
The AirTAC SAIJ63X100-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to trim the nominal 100 mm travel back by up to 100 mm, creating a highly versatile 0-100 mm usable window. In the 63 mm bore class, it delivers a robust 2182 N push force at 0.7 MPa, making it well-suited for medium-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides for straightforward detection integration.
This configuration utilizes a SUS420J2 stainless steel piston rod (option A) for enhanced resistance to wear and mild corrosion compared to standard carbon steel. It features PT tapered port threads and operates without a magnet. The rear adjuster functions strictly as a mechanical stop for end-position tuning during commissioning; it is not a locking device and will not hold a load without sustained air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-100 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-100 |
|---|---|
| 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 SAIJ63AX100-100
| 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 SAIJ63AX100-100 Is Used
Machine Changeover
Dial in the exact end-stop position during product size changeovers without replacing the cylinder or bolting on external physical stops.
Stroke Tuning
Utilize the 0-100 mm adjustable travel window to fine-tune retract positions precisely during initial machine commissioning.
Flexible Positioning
Adapt the retract travel distance on the fly for multi-format production lines requiring varied end-point locations.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX100-100 the Right Cylinder?
Choose this 63 mm bore adjustable cylinder when your application requires precise end-position tuning at setup or frequent product changeovers without physically swapping cylinders or adding external stops. If your process demands less force, stepping down to a 50 mm bore yields 1374 N of push force at 0.7 MPa, whereas upgrading to an 80 mm bore provides 3518 N for heavier loads. For load-holding requirements without live air pressure, consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 63 mm bore, 100 mm nominal stroke, 100 mm adjustment range, PT G3/8 port, and the absence of a magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting the FB, CA, CB, and CR styles. Because the 100 mm stroke is relatively short, side-load stress is minimal, though external guides are always recommended for optimal rod longevity.
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 SAIJ63AX100-100 FAQ
The 63 mm bore generates a push force of 2182 N and a pull force of 1402 N at 0.7 MPa. At the maximum operating pressure of 1.0 MPa, it provides up to 318 kgf of push force.
The rear adjuster acts as a mechanical stop that allows you to shorten the effective stroke by up to 100 mm from the nominal 100 mm length, providing a 0-100 mm usable travel window. It only sets the end position and does not lock or hold the load without air pressure.
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