Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 60mm 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.
- BoreØ80 mm
- Stroke60 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S
The AirTAC SAIJ80X60-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from a 60 mm nominal stroke, creating a highly versatile 20 to 60 mm usable window. Delivering a robust 2268 N pull force at 0.5 MPa, it provides substantial power for precision tasks. This configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a -S magnet for electronic DMSE or reed CMSE position sensing.
Unlike a fixed-stroke SAI cylinder, this model lets you dial in the exact retract end-position during commissioning without adding external stops. The rear adjuster functions strictly as a travel stop to set deceleration limits and does not hold the load without live air pressure. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×60 | 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 SAIJ80 Adjustable Cylinder SAIJ80BX60-40S Is Used
Product Changeover Tuning
Quickly adjust the retract stop from 20 to 60 mm to accommodate different package sizes on a packaging line without swapping out the entire actuator.
Machine Setup Calibration
Dial in the exact end-of-stroke position during initial commissioning to prevent crushing forces, using the rear stopper rather than adding external mechanical stops.
Variable End-Stop Forming
Execute heavy-duty forming or pressing operations at 0.5 MPa push force while retaining the flexibility to shorten the stroke by up to 40 mm for varied material thicknesses.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40S the Right Cylinder?
Choose this 80 mm bore if your application requires heavy thrust, such as 2268 N pull at 0.5 MPa, but with a highly variable short travel requirement. The 40 mm adjustment range on a 60 mm stroke allows operators to change product sizes on a line simply by turning the rear screw. If you need less force, stepping down to a 63 mm bore yields 1402 N pull, whereas a 100 mm bore offers 3681 N pull.
This SAIJ80X60-40-S is dimensionally interchangeable per ISO 15552 standards. It features PT tapered port threads, a 25 mm rod with an M20x1.5 thread, and dual-side sensor grooves. Because the nominal stroke is under 300 mm, side-load stress is minimized, though an external guide remains recommended for heavy lateral loads. For applications requiring true load-holding without live air, this plain cylinder is insufficient; consider an AirTAC SAIL or BSAI series instead.
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 SAIJ80 Adjustable Cylinder SAIJ80BX60-40S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It can reach up to 4523 N push force at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you trim the effective travel back by up to 40 mm. This creates a usable stroke window of 20 to 60 mm, allowing precise end-position tuning without replacing the cylinder.
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