Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 120mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke120 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10
The AirTAC SAIJ100X120-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the effective travel to a 110-120 mm window. Delivering 3927 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches.
This model uses a PT tapered G1/2 port and provides variable air cushioning at both ends to decelerate the load smoothly. The rear adjustment screw acts purely as a mechanical stop to fine-tune the retract position during commissioning; it does not lock or hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 120 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 | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×120 | 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 SAIJ100AX120-10 Is Used
Precision End-Stop Tuning
Dial in the exact 110-120 mm retract position during machine setup to eliminate mechanical hard stops and simplify product changeovers.
High-Force Clamping
Apply up to 3927 N of clamping force at 0.5 MPa while fine-tuning the final clamping depth within a 10 mm window.
Variable Assembly Jigs
Adapt assembly jigs on the fly by adjusting the rear stopper screw to accommodate slight variations in component dimensions.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-10 the Right Cylinder?
Choose this 100 mm bore cylinder when an application requires high thrust (up to 3927 N at 0.5 MPa) alongside precise end-position tuning without adding external stops. If your force requirements are lower, stepping down to an 80 mm bore yields 2513 N of push force at 0.5 MPa, while moving up to a 125 mm bore provides 6136 N. The 10 mm adjustment window is ideal for product changeovers that need minor travel corrections.
Because the 120 mm stroke is below the 300 mm threshold, side-load stress is minimal, though an external guide is still recommended for heavy lateral loads. For load-holding without continuous air pressure, select the SAIL (air-released lock) or BSAI (clamp-lock) series instead of relying on the SAIJ adjuster. This cylinder uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SAIJ100AX120-10 FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 801 kgf.
The rear adjuster screw lets you shorten the 120 mm nominal stroke by up to 10 mm, creating a 110-120 mm usable travel window. It functions as a mechanical stop for end-position tuning and does not lock the load without live air.
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