Airtac SAIJ100 Adjustable Cylinder SAIJ100AX40-20
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX40-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 40mm 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
- Stroke40 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 SAIJ100AX40-20
By integrating an external adjusting screw at the rear, this cylinder allows you to fine-tune the effective stroke, creating a usable travel window of 20 to 40 mm for precise end-position calibration. The extruded aluminum barrel features sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic switches if a magnet is added later.
This specific configuration features a SUS420J2 stainless steel rod (material code A) and PT tapered port threads. The 25mm rod diameter provides excellent rigidity and side-load resistance, while the variable air cushions at both ends decelerate the load smoothly. The rear adjuster acts solely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX40-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX40-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 40 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 SAIJ100AX40-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×40 | 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 SAIJ100AX40-20 Is Used
Machine Changeover
Dial in the exact retracted position within the 20-40mm window during product size transitions without replacing the entire cylinder.
Commissioning Calibration
Fine-tune the end-stop during initial machine setup to perfect the positioning of tooling and fixtures.
Assembly Station Stops
Adjust the travel distance on the fly to accommodate varying part dimensions at a single pneumatic workstation.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX40-20 the Right Cylinder?
If your force requirements are lower, stepping down to an 80mm bore yields 2513N; conversely, a 125mm bore provides 6136N. The adjustable stroke is ideal for machine setup and product changeovers where the exact retracted position needs micro-adjustments.
Because this is a short 40mm stroke, side-loading is minimal, but remember the rear screw is a stop, not a lock. For load-holding without continuous air pressure, consider the SAIL pneumatic lock or BSAI clamp-lock series. As a dimensionally interchangeable ISO 15552 cylinder, ensure your replacement matches the 100mm bore, 40mm stroke, 20mm adjustment, PT port thread, and basic mounting interface (Basic, FA, LB, TC, FTC, TCM1, TCM2 available).
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 SAIJ100AX40-20 FAQ
It can deliver up to 7068N at 0.9 MPa.
The rear adjusting screw acts as a mechanical stopper that can trim the nominal 40mm stroke back by up to 20mm, giving you an effective travel window of 20 to 40mm. It sets the travel end but does not lock the load without live air.
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Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
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