Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 220mm 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
- Stroke220 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30
The AirTAC SAIJ63X220-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 190 to 220 mm usable travel window, allowing you to dial back the nominal 220 mm stroke by up to 30 mm during machine setup. Delivering 1559 N pull force at 0.5 MPa, it fits mid-range automation tasks perfectly.
This unit uses a SUS420J2 stainless steel rod for enhanced durability against minor moisture and a PT tapered port thread for a tight pneumatic seal. The extruded aluminum barrel includes sensor grooves on both sides, ready to accept CMSE or DMSE switches if position feedback is added later. The rear stopper solely sets the travel end; it is not a load lock, so use SAIL or BSAI cylinders if you need fail-safe holding without live air.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 220 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 SAIJ63AX220-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×220 | 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 SAIJ63AX220-30 Is Used
Machine Changeover
Dial in the 190-220 mm travel window precisely when switching product sizes on a packaging line, avoiding mechanical stop replacements.
Commissioning Calibration
Fine-tune the retract end position during initial setup to perfectly align tooling without disassembling the pneumatic circuit.
Assembly Pressing
Apply up to 1559 N pull force at 0.5 MPa to seat components, using the adjustable stopper to limit travel and prevent overtravel.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX220-30 the Right Cylinder?
Select this 63 mm bore when a 40 mm bore (528 N pull) is too weak but an 80 mm bore (2268 N pull) is physically oversized. The 30 mm adjustment window is ideal for product changeovers where the exact end-of-stroke position varies slightly, eliminating the need to physically swap cylinders or bolt on external stops. Because the 220 mm stroke exceeds 300 mm? No, but for any long stroke, ensure an external guide supports the load to prevent rod side-loading, as the 20 mm rod and M16x1.5 thread only handle so much deflection.
To match this ISO 15552 interchangeable cylinder, specify the 63 mm bore, 220 mm stroke, 30 mm adjustment, PT G3/8 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mountings. Note that FB, CA, CB, and CR mounts are not available for the SAIJ series.
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 SAIJ63AX220-30 FAQ
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides 1559 N of pull force and 2182 N of push force. The maximum force is 318 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop, letting you shorten the effective travel from 220 mm down to 190 mm. It sets the end position but does not lock the load without live air pressure.
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