Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 750mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100
The AirTAC SAIJ80X750-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits an effective travel window of 650 to 750 mm. Equipped with a SUS420J2 stainless steel rod and PT tapered port threads, it generates 2513 N of push force and 2268 N of pull force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
This model provides a 100 mm adjustment range, allowing precise end-position tuning at commissioning without swapping the cylinder or adding external stops. It supports a subset of ISO 15552 mountings including Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts strictly as a travel stop to decelerate the stroke end and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SAIJ80 Adjustable Cylinder SAIJ80AX750-100 Is Used
Variable End Stops
Fine-tune the 650 to 750 mm travel window on packaging lines to accommodate different carton sizes without physically replacing the cylinder.
Machine Changeover
Dial in the exact retract position during product family transitions using the rear 100 mm adjustment screw instead of reworking hard mounts.
Assembly Press Tuning
Set the precise end-of-stroke contact point for pressing operations, relying on the 2513 N thrust at 0.5 MPa to seat components accurately.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100 the Right Cylinder?
Choose this 80 mm bore when an application requires more force than the 63 mm variant, which offers 1559 N of push force at 0.5 MPa, but does not need the massive 3927 N output of a 100 mm cylinder. The 100 mm adjustment range is ideal for machine setups requiring variable end stops or product-size changeovers, offering far more setup flexibility than a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, this cylinder will not suffice; consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock, or an external rod lock. Because the stroke is 750 mm, the 25 mm rod diameter and M20x1.5 rod thread carry substantial side loads, but an external guide is still recommended to prevent rod bending over long unsupported travel.
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 SAIJ80 Adjustable Cylinder SAIJ80AX750-100 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster allows you to shorten the 750 mm nominal stroke by up to 100 mm, creating a usable travel window of 650 to 750 mm. This stopper sets the travel end and decelerates the load, but it does not lock or hold the load without live air pressure.
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