Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 105mm 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
- Stroke105 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75
The AirTAC SAIJ100X105-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal stroke of 105 mm with a usable travel window of 30-105 mm, allowing you to dial back the extend position by up to 75 mm during commissioning. Equipped with a robust 25 mm rod and M20x1.5 thread, it handles heavy loads with a maximum push force of 801 kgf at 1.0 MPa.
This unit features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance in humid environments. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if a magnet is added later. The rear adjuster functions strictly as a mechanical stop to fine-tune the end position without holding the load pneumatically.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 105 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 SAIJ100AX105-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×105 | 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 SAIJ100AX105-75 Is Used
Machine Changeover
Quickly reposition the end-stop within the 30-105 mm window when switching product sizes on a packaging line, avoiding physical cylinder swaps.
Press Fit Tuning
Dial in the exact 75 mm retraction depth during commissioning to perfect pressing force without adding bulky external mechanical stops.
Variable End-Stop Assembly
Adapt clamping distances on the fly for mixed-model assembly lines, relying on the 7068 N push force at 0.9 MPa for secure holding.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-75 the Right Cylinder?
Choose this 100 mm bore when a 63 mm cylinder (delivering 1559 N push at 0.5 MPa) is insufficient, but an 80 mm bore (2513 N) would require overpressurization. The adjustable 30-105 mm window is perfect for product changeovers where exact end-of-stroke positioning varies. For applications requiring true load-holding without live air pressure, select the SAIL or BSAI series instead, as the SAIJ adjuster is a stop, not a lock. The PT G1/2 port and 25 mm rod manage high side loads, but any stroke over 300 mm requires an external guide; this 105 mm stroke is safely self-supported.
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 SAIJ100AX105-75 FAQ
At an operating pressure of 0.9 MPa, this 100 mm bore cylinder delivers a push force of 7068 N and a pull force of 3681 N. The maximum push force is 801 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that trims the effective travel from the 105 mm nominal stroke down to as little as 30 mm. It sets the end position but does not lock the load without live air pressure.
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