FLSUN S1 Pro – Industrial-Grade High-Speed 3D Printer (FFF/FDM, 350°C Hotend, Ø320×430 mm)

The FLSUN S1 Pro is the ideal solution for large-scale prototyping and small batch production. With a massive cylindrical build volume of Ø 320 × 430 mm, print speeds up to 1200 mm/s, and 40000 mm/s² acceleration, it sets new benchmarks in high-performance additive manufacturing.

Built for Productivity & Performance

• ✅ 110 mm³/s Flow Rate – Perfect for rapid extrusion of demanding filaments.
• ✅ 350°C All-Metal Hotend – Handles high-temperature materials with ease.
• ✅ Quiet Operation – Operates at just 55 dB for a peaceful work environment.
• ✅ FLSUN S1 Pro – Has improved software, runs quieter and is more stable.

Reliability that Meets Industrial Demands

Robust mechanical design with modular layout separates the effector, housing, and motion components—making maintenance easy while maximizing uptime.

Print a Wide Range of Materials

This versatile machine supports everything from PLA, PETG, ABS, to PPS and PPS-CF/GF—perfect for tough, chemically resistant applications.

Smarter Printing with Algorithm 2.0

Precision and consistency are redefined with:

• Filament detection enhancements
• Automatic bed leveling
• Real-time flow calibration
• Pressure Advance compensation

Additional Highlights:

• ✔ 95% Pre-Assembled – Get started quickly with minimal setup
• ✔ Intelligent Cooling – Maximizes performance with low noise
• ✔ Power Loss Recovery – Resume printing after outages
• ✔ HEPA + Carbon Filter – Ensures clean air while printing technical materials
• ✔ Heated Filament Chamber – Improves filament quality and print consistency
• ✔ Built-In Camera – Monitor your print in real-time
• ✔ Smart Zone Heating – Saves energy via precise thermal control
• ✔ 16 GB EMMC Storage – For faster processing and data saving
• ✔ FLSUN World App – Remote control, alerts, diagnostics, and more
• ✔ AI Spaghetti Detection – Early warning system for failed prints

Note:

Supports 1 kg internal filament spools. For heavier spools, external mounting is required.

Unlock industrial productivity – get the FLSUN S1 Pro now.