Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S
The AirTAC SAIJ63X30-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 1559N of push force at 0.5 MPa. It features a 63mm bore, a 12mm rod, and a PT G3/8 port. With its 30mm nominal stroke and a 30mm adjustment code, this unit provides a fully variable 0-30mm usable travel window, allowing exact end-position tuning during commissioning.
This model includes a magnet for CMSE reed and DMSE electronic sensors, alongside an SUS420J2 stainless steel rod for improved corrosion resistance. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position without needing external stops. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 30 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 SAIJ63AX30-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×30 | 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 SAIJ63AX30-30S Is Used
Precision Clamping
Dial in the exact 0-30mm clamping position on machined parts during machine setup without swapping cylinders.
Product Changeover
Quickly adjust the retract end-stop to accommodate varying product sizes on a high-mix assembly line.
Short-Stroke Forming
Fine-tune the final end position for light pressing or forming tasks within a compact 30mm travel limit.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-30S the Right Cylinder?
Choose this adjustable-stroke cylinder when an application requires precise end-position tuning within a short 0-30mm travel window, rather than relying on a fixed-stroke SAI cylinder. If lower force is acceptable, stepping down to a 50mm bore yields 982N push force at 0.5 MPa. For higher force demands, an 80mm bore provides 2513N at 0.5 MPa. Remember that the rear adjuster is a travel stop, not a lock; a plain SAIJ will not hold a load without live air. For load-holding without pressure, consider an SAIL or BSAI cylinder.
As a dimensionally interchangeable ISO 15552 profile cylinder, replacement requires matching the 63mm bore, 30mm stroke, 30mm adjustment, PT G3/8 port, and the -S magnet. The 12mm rod and M16x1.25 thread offer robust side-load capacity for short-stroke work. Operating speed ranges from 30-800 mm/s.
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 SAIJ63AX30-30S FAQ
At 0.5 MPa operating pressure, this 63mm bore cylinder provides 1559N of push force and 1402N of pull force. At 0.7 MPa, the push force increases to 2182N.
The rear adjuster screw allows you to trim the effective travel anywhere within a 0-30mm window from the nominal 30mm stroke. It functions as a mechanical stop for end-position tuning, not a lock, and the cylinder requires live air to hold the load.
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