Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX65-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 65mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke65 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40
The AirTAC SAIJ100X65-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 65 mm stroke that can be dialed back by up to 40 mm, creating a precise 25-65 mm usable travel window for commissioning.
This extruded aluminum barrel design includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. The rear adjuster acts purely as a mechanical stop to set the retract end position, meaning it does not hold the load without live air pressure. For applications requiring position holding without continuous air, a SAIL or BSAI variant is recommended.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 65 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×65 | 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 SAIJ100 Adjustable Cylinder SAIJ100AX65-40 Is Used
Machine Setup Tuning
Dial in the exact 25-65 mm retract position during initial commissioning without machining new stopper blocks.
Product Changeover
Quickly adapt the cylinder's effective stroke on packaging lines when switching to different sized components.
Variable End Stops
Use the rear adjuster to set precise end-of-stroke limits for high-force pressing and clamping operations.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-40 the Right Cylinder?
Choose this 100 mm bore when your application requires substantial thrust—stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N. The adjustable stroke is highly beneficial on machines needing rapid product changeovers, allowing you to fine-tune the retract distance on-site without swapping the cylinder or adding external stops. Because the 65 mm stroke is relatively short, side-load risks are minimal, but always ensure the load is guided to prevent rod binding.
To match this cylinder as an ISO 15552 replacement, verify the 100 mm bore, 65 mm base stroke, 40 mm adjustment range, PT port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that FB, CA, CB, and CR mounts are omitted from this series. Since no magnet is specified, external sensors cannot be used without modifying the configuration.
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 SAIJ100 Adjustable Cylinder SAIJ100AX65-40 FAQ
The rear adjuster screw allows you to shorten the 65 mm nominal stroke by up to 40 mm, providing a usable travel window of 25 to 65 mm. The adjuster functions as a mechanical stop and does not lock the load without continuous air pressure.
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