Airtac SAIJ40 Adjustable Cylinder SAIJ40AX110-75
The AirTAC SAIJ40 Adjustable Cylinder SAIJ40AX110-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 110mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ40 mm
- Stroke110 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 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 SAIJ40 Adjustable Cylinder SAIJ40AX110-75
The AirTAC SAIJ40X110-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to shorten the effective travel from 110 mm down to 35 mm without changing the unit. The barrel is extruded aluminum with sensor grooves on both sides for straightforward position monitoring.
This model features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position during commissioning; it does not lock the load, meaning live air pressure is always required to hold position. It supports standard variable air cushions at both ends and operates at speeds of 30-800 mm/s.
Airtac SAIJ40 Adjustable Cylinder SAIJ40AX110-75 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40AX110-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 528 N | 528 N |
| 0.7 MPa | 739 N | — |
| Max (@1.0 MPa) | 108 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 SAIJ40 Adjustable Cylinder SAIJ40AX110-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×110 | 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 SAIJ40 Adjustable Cylinder SAIJ40AX110-75 Is Used
Variable End-Stop Tuning
Dial in the exact retract distance between 35 and 110 mm during machine setup or product changeover without adding external physical stops.
Product Diversion
Adjust the stroke on the fly to handle varying package sizes on a conveyor line, ensuring precise physical positioning for downstream processes.
Commissioning Calibration
Fine-tune the final end-position during initial machine commissioning to compensate for mechanical tolerances in the fixture assembly.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40AX110-75 the Right Cylinder?
The 75 mm adjustment range is ideal for product changeovers on a line where multiple stopping distances are needed. If your force requirements are lower, stepping down to a 32 mm bore provides 563 N, while moving up to a 50 mm bore yields 1374 N.
Because the nominal stroke is 110 mm, an external guide is not strictly necessary for side-load support, but always ensure the load is axially aligned to maximize seal life. This SAIJ variant uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. For true load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ40 Adjustable Cylinder SAIJ40AX110-75 FAQ
The rear adjuster screw lets you mechanically shorten the effective stroke from the nominal 110 mm down to 35 mm. This creates a 75 mm usable travel window for fine-tuning the end position, but the adjuster functions only as a stop and does not lock the load without live air pressure.
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