Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 50mm 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
- Stroke50 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S
The AirTAC SAIJ80X50-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 40 to 50 mm. Delivering 2513 N of push force and 2268 N of pull force at 0.5 MPa, it handles substantial actuation tasks. The integrated -S magnet enables position sensing with CMSE reed or DMSE electronic switches, while the SUS420J2 stainless steel rod offers enhanced corrosion resistance.
This adjustable-stroke model lets you fine-tune the retract end position during commissioning or product changeovers without adding external stops. It features a G3/8 port, variable air cushions at both ends, and an extruded aluminum barrel with sensor grooves on both sides. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 50 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 SAIJ80AX50-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SAIJ80AX50-10S Is Used
Machine Changeover
Dial in the exact 40 to 50 mm retract position during product size changes without swapping out the entire cylinder or adding external stopper blocks.
Clamping Force Setup
Fine-tune the end-of-stroke position to achieve precise clamping contact on varying workpiece thicknesses directly at the fixture.
Assembly Line Timing
Adjust the travel window on the line to synchronize part pushers and indexers perfectly during initial equipment commissioning.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX50-10S the Right Cylinder?
Select this 80 mm bore cylinder when an application requires a 40 to 50 mm stroke range and high force output, stepping up from a 63 mm bore that yields 1559 N at 0.5 MPa. The adjustable stroke is ideal for dialing in exact end positions on the fly, whereas a fixed SAI cylinder locks you to a single dimension. The 25 mm rod and M20x1.5 thread provide robust side-load resistance, though any stroke over 300 mm would still require an external guide.
For an exact ISO 15552 replacement match, specify the 80 mm bore, 50 mm nominal stroke, 10 mm adjustment range, PT tapered port threads, and the -S magnet option. Note that SAIJ supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles. Because the rear adjuster is a stop and not a lock, use SAIL or BSAI cylinders for load-holding without live air.
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 SAIJ80AX50-10S FAQ
At 0.5 MPa it provides 2513 N push and 2268 N pull force, reaching 4523 N push at 0.9 MPa. The operating speed range is 30 to 800 mm/s, regulated by the G3/8 port and variable air cushions.
The rear adjuster screw lets you shorten the 50 mm nominal stroke by up to 10 mm, creating a 40 to 50 mm usable travel window. It functions as a mechanical stop for end-position tuning and is not a lock; the cylinder requires live air to hold the load.
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