Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 600mm 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
- Stroke600 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S
The AirTAC SAIJ80X600-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits you to fine-tune the usable travel window from 560 to 600 mm without swapping hardware. Delivering a robust 4523N of push force at 0.9 MPa, it integrates an SUS420J2 stainless steel rod for superior side-load resistance and a built-in magnet for CMSE reed and DMSE electronic sensors.
This adjustable-stroke design allows for precise end-position tuning during commissioning or product changeover, eliminating the need to bolt on external stops. The rear adjuster acts solely as a travel stop to set the retract position and deceleration alongside the air cushions; it does not hold the load without live air. For load-holding requirements without continuous pressure, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 600 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 SAIJ80AX600-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×600 | 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 SAIJ80AX600-40S Is Used
Product Size Changeovers
Dial in the 560-600mm travel window during line changeovers to accommodate varying package lengths without changing the cylinder.
Commissioning End-Stop Tuning
Use the 40mm rear adjuster to precisely set the retract end-position during initial machine commissioning, avoiding external stopper fabrication.
Variable Positioning Stops
Ideal for assembly stations needing slight positional shifts for different part geometries, leveraging the 25mm rod diameter for high rigidity.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX600-40S the Right Cylinder?
Choose this 80mm bore over the 63mm variant when your application demands more than the 2805N push force at 0.5 MPa of the smaller bore, or step down if lower force is acceptable. An adjustable stroke is selected over a fixed SAI cylinder when a machine setup requires a variable end-stop to accommodate multiple product sizes on one line.
Because this unit features a 600mm stroke, an external guide is strongly recommended to prevent rod sag and excessive side-loading on the unsupported piston. This configuration includes a PT tapered port thread, a stainless steel rod (code A), and an -S magnet for position sensing. It supports the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX600-40S FAQ
At an operating pressure of 0.9 MPa, this 80mm bore cylinder provides 4523N of push force and 4071N of pull force. The maximum push force is 513 kgf at 1.0 MPa.
The rear adjuster allows you to shorten the effective stroke by up to 40mm, providing a usable travel window between 560 and 600mm. The adjuster acts as a mechanical stop for end-position tuning and is not a lock, meaning the cylinder requires live air to maintain its position.
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