Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 1000mm 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
- Stroke1000 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S
The AirTAC SAIJ63X1000-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 925-1000 mm from its 1000 mm nominal stroke. It delivers 1559 N of push force and 1402 N of pull force at 0.5 MPa, making it well-suited for long-actuation handling tasks. The integrated -S magnet enables position detection via AirTAC CMSE reed or DMSE electronic solid-state sensors housed in the dual-side barrel grooves.
Built with a SUS420J2 stainless steel rod (material code A) and PT tapered ports, this unit handles operating speeds of 30-800 mm/s. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position during commissioning without swapping components; it does not lock the load, so external guides are recommended for this 1000 mm stroke to prevent rod side-loading.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 1000 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 SAIJ63AX1000-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×1000 | 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 SAIJ63AX1000-75S Is Used
Variable Length Diverter
Adjusts the retract stop on a packaging line to divert different box lengths without physically repositioning the cylinder or changing out hard stops.
Machine Commissioning
Fine-tunes the 925-1000 mm travel end-point during initial setup to perfectly time a long-transfer operation, absorbing mechanical tolerances.
Product Size Changeover
Quickly adapts an automated assembly station to new part dimensions by dialing back the stroke up to 75 mm, minimizing downtime between production runs.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-75S the Right Cylinder?
Choose this 63 mm bore when a 50 mm bore (982 N push at 0.5 MPa) lacks the force for long-travel positioning, but an 80 mm bore (2513 N push) would be excessive. The 75 mm adjustment window is ideal for product changeovers on a line, allowing you to dial in the exact retract distance without adding external stopper blocks. If your application requires the cylinder to hold its position without live air pressure, note that this adjuster is not a lock—you would need an external rod lock, a pilot-operated check valve, or a related AirTAC SAIL (air-released lock) cylinder instead.
For a direct ISO 15552 replacement, match these exact parameters: 63 mm bore, 1000 mm stroke, 75 mm adjustment range, PT port threads, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets. Because the stroke is 1000 mm, ensure adequate external guiding to support the load and mitigate deflection.
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 SAIJ63AX1000-75S FAQ
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides 1559 N of push force and 1402 N of pull force. At 0.7 MPa, the push force increases to 2182 N.
The rear mechanical adjuster allows you to shorten the effective travel by up to 75 mm, creating a usable stroke window of 925-1000 mm. It functions as a travel stop for end-position tuning and does not lock the load without live air pressure.
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