Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-100
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX135-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 135mm 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
- Stroke135 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 SAIJ100AX135-100
The AirTAC SAIJ100X135-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel down by up to 100 mm. This creates a highly flexible usable stroke window of 35-135 mm, letting you dial in the exact end position during commissioning without swapping out the barrel or bolting on external stoppers.
This specific configuration features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE solid-state switches if a magnet is added later. The rear adjuster acts purely as a travel stop to set deceleration, not as a lock, so live air pressure is required to hold the load in place.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 135 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 SAIJ100AX135-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×135 | 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 SAIJ100AX135-100 Is Used
Product Changeover Dials
Quickly adjust the 35-135 mm stroke window during packaging line changeovers to accommodate different box sizes without replacing the cylinder.
End-Position Calibration
Fine-tune the exact retract stop during machine commissioning to perfect a pressing operation, using the 100 mm adjustment range to dial out mechanical slop.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-100 the Right Cylinder?
If you need less force and a smaller footprint, the 80 mm bore offers 2513 N at 0.5 MPa; if you need more power, the 125 mm bore provides 6136 N. The SAIJ100X135-100 is selected over a fixed SAI cylinder when machine setups require frequent product changeovers, allowing the rear screw to fine-tune the 35-135 mm travel window on the fly.
Because the nominal stroke is 135 mm, an external guide is not strictly mandated for side-load support, but the 25 mm rod and M20x1.5 rod thread handle moderate side loads well. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Remember that the rear adjuster is a stop, not a brake; for true load-holding without live air pressure, consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead.
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 SAIJ100AX135-100 FAQ
At 0.7 MPa, the push force increases to 5497 N, and it reaches 7068 N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the 135 mm nominal stroke down to as little as 35 mm, creating a 35-135 mm usable window. It sets the end position but does not lock the load without live air pressure.
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