Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 95mm 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
- Stroke95 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30
The AirTAC SAIJ63X95-30 is a double-acting single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 1559N push force at 0.5MPa and uses a G3/8 port. The integrated rear stopper allows you to trim the effective travel, creating a 65-95mm usable window from the 95mm base stroke. This fine-tuning capability is ideal for dialing in end positions during commissioning without adding external stops.
The carbon steel rod features an M16x1.5 thread, offering robust side-load resistance for dynamic applications. The extruded aluminum barrel includes sensor grooves on both sides for mounting AirTAC CMSE reed or DMSE electronic switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB and CA styles. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 95 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 SAIJ63X95-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×95 | 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 SAIJ63X95-30 Is Used
Machine Changeover
Dial in the 65-95mm stroke window during product size transitions on a packaging line without swapping out the entire cylinder body.
End-Position Tuning
Fine-tune the retract end-position at commissioning to perfect a pressing or clamping operation, absorbing mechanical tolerances via the rear screw.
Variable End Stops
Establish adjustable physical stops for automated assembly equipment, allowing rapid modifications to the stroke length as tooling wears.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X95-30 the Right Cylinder?
Choose this 63mm bore when your application requires the 1559N thrust at 0.5MPa, stepping up from a 50mm bore that provides 982N. The 30mm adjustment range is selected over a fixed SAI cylinder when you need variable end-stops for product size changeovers. For true load holding without live air, consider the SAIL or BSAI series.
When specifying an ISO 15552 replacement, match the 95mm stroke, 30mm adjustment, PT tapered port threads, and standard carbon steel rod. Since this unit lacks the -S magnet, position sensing requires external or non-groove mounted switches. The 95mm stroke is short enough that external guide rails are generally unnecessary for preventing rod side-load 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 SAIJ63X95-30 FAQ
The rear adjuster screw acts as a mechanical stop that shortens the effective travel. For this model, you can trim the 95mm stroke back by up to 30mm, creating a usable 65-95mm window. The adjuster only sets the travel end and does not lock the load without live air pressure.
At 0.5MPa it provides a push force of 1559N and a pull force of 1402N. At the maximum operating pressure of 1.0MPa, the push force reaches 318 kgf.
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