Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40
The AirTAC SAIJ100X175-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel within a 135-175 mm window. Delivering 5497 N of push force at 0.7 MPa, it is built with a SUS420J2 stainless steel rod for enhanced durability against moisture and surface wear. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This model uses a PT tapered G1/2 port and omits the FB, CA, CB, and CR mounting styles, offering a focused set of attachments (Basic, FA, LB, TC, FTC, TCM1, TCM2). The rear adjuster acts purely as a mechanical stop to set the retract end position during commissioning; it does not lock or hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 175 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 SAIJ100AX175-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×175 | 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 SAIJ100AX175-40 Is Used
Variable End-Stop Machining
Dial in the exact retract position for machining operations or part ejection without replacing the cylinder or adding external mechanical stops.
Product Changeover Diverter
Quickly adjust the travel window by up to 40 mm to accommodate different package sizes on a conveyor sorting line during product transitions.
Commissioning Stroke Tuning
Fine-tune the final end position during machine setup to clear mechanical interference or synchronize multiple actuators precisely.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-40 the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (providing 3518 N at 0.7 MPa) is insufficient for your load, but an 125 mm cylinder is oversized. The 40 mm adjustment range is ideal for product changeovers where the exact end-stop varies slightly, eliminating the need to physically swap cylinders or bolt on external stops. For load-holding without continuous air, select the SAIL or BSAI series instead, as the SAIJ adjuster is not a brake.
For ISO 15552 interchangeability, match the 100 mm bore, 175 mm nominal stroke, 40 mm adjustment, PT G1/2 port, and desired mounting. Because the stroke is under 300 mm, side-load stress is moderate, but the 25 mm rod diameter still handles lateral forces better than smaller bores.
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 SAIJ100AX175-40 FAQ
At 0.7 MPa operating pressure, this 100 mm bore cylinder generates 5497 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 801 kgf.
The rear adjuster screw lets you shorten the effective travel from the nominal 175 mm down to 135 mm. It functions as a mechanical stop for end-position tuning and is not a lock; it cannot hold the load without live air pressure.
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