Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 55mm 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
- Stroke55 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S
The AirTAC SAIJ100X55-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position during commissioning. With a nominal 55 mm stroke and a 10 mm adjustment range, it provides a usable travel window of 45 to 55 mm without requiring external stops. Belonging to the 100 mm bore class, it delivers 3927 N of push force at 0.5 MPa and utilizes a G1/2 port.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet (-S) for position sensing. You can mount CMSE reed or DMSE electronic solid-state switches directly into the extruded aluminum barrel's dual sensor grooves. The mounting hardware covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR configurations.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 55 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 SAIJ100BX55-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×55 | 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 SAIJ100BX55-10S Is Used
Machine Setup Changeover
Quickly dial in the 45-55 mm travel window during product family changeovers, using the rear stopper to set exact end positions without physically replacing the cylinder.
Heavy Clamping Fixtures
Leverage the 3927 N push force at 0.5 MPa to secure heavy workpieces, using the fine adjustment to prevent over-travel and crush damage on delicate parts.
Position Verification Stations
Utilize the integrated magnet with DMSE electronic sensors to confirm clamp engagement, while the SUS304 rod withstands harsh manufacturing environments.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX55-10S the Right Cylinder?
Selecting this 100 mm bore cylinder makes sense when your application requires substantial thrust—up to 3927 N at 0.5 MPa—combined with exact end-position tuning. If your setup needs less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa, whereas moving up to a 125 mm bore provides 6136 N. The adjustable stroke is ideal for product-size changeovers on a line, letting you dial in the 45-55 mm travel window rather than swapping to a fixed-stroke SAI cylinder.
Because the stroke is only 55 mm, side-loading is less of a concern than with longer strokes, but the robust 25 mm rod and M20x1.5 thread handle significant loads. Remember that the rear adjuster acts purely as a travel stop and the air cushion only manages deceleration; neither will hold a load without live air. For load-holding requirements without continuous pressure, consider an external pilot-operated check valve or the AirTAC SAIL lock cylinder. This unit is dimensionally interchangeable per ISO 15552.
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 SAIJ100BX55-10S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw allows you to trim the effective travel back by up to 10 mm. This creates a usable stroke window of 45 to 55 mm, enabling fine end-position tuning at commissioning without adding external stops.
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