FLSUN S1
FLSUN S1
Printer Highlights
About FLSUN S1
FLSUN S1 is an enclosed Delta FDM 3D printer with a Ø320 × 430 mm build volume, up to 1,200 mm/s print speed, a 350°C hotend, a 120°C heated bed, a direct drive extruder, and auto bed leveling.
General Information of FLSUN S1
Printer Name
FLSUN S1
Brand
FLSUN
Series
S1
Release Date
January 2024
Build Volume & Chassis of FLSUN S1
Build Volume
Ø320 x 430 mm (Ø12.6 x 16.9 in)
Build Volume (Diameter)
320 mm (12.6 in)
Build Volume (Z)
430 mm (16.9 in)
Enclosed Chamber
Yes
Frame Type
All-Metal Enclosed Delta Chassis
Machine Size
550 x 590 x 1030 mm (21.7 x 23.2 x 40.6 in)
Machine Weight
39.0 kg (86 lbs)
Motion System & Kinematics of FLSUN S1
Kinematics Type
Delta
Motion Axis Type
Carbon Fiber Arm Rods & High-Speed Closed-Loop Steppers
Kinematics Layout
Delta Parallel Arm Robot
Rail System
Heavy-Duty Linear Guides (3 Pillars)
Dual Z-Axis
No
Extruder & Toolhead of FLSUN S1
Extruder Type
Direct Drive
Toolhead Count
1
Filament Diameter
1.75 mm
Nozzle Diameter
0.4 mm
Nozzle Material
Hardened Steel High-Flow
Supported Nozzle Diameters
0.4 mm, 0.6 mm, 0.8 mm
Max Nozzle Temp
350°C
Multi-Material Ready
No
Max Colors / Materials
1 Color
Bed & Thermal System of FLSUN S1
Build Plate Type
Circular High-Temp Textured PEI Plate
Heated Bed
Yes
Max Bed Temperature
120°C
Actively Heated Chamber
No
Print Speed & Performance of FLSUN S1
Max Print Speed
1,200 mm/s
Typical Print Speed
800 mm/s
Max Acceleration
40,000 mm/s²
Max Flow Rate
110 mm³/s
Min Layer Height
0.05 mm
Max Layer Height
0.35 mm
Speed Benchy Time
8 min
Automation & Electronics of FLSUN S1
Auto Bed Leveling
Yes
Leveling Sensor Type
Full Auto Mesh Bed Leveling Probe
Filament Runout Sensor
Yes
Power Loss Recovery
Yes
Input Shaping (Resonance)
Yes
Built-in Camera
Yes
First Layer LiDAR
Yes
Part Cooling Fan
40,000 RPM Turbofan Cooling System
Hotend Fan
High-Performance Fan
Software & Connectivity of FLSUN S1
Firmware
FLSUN OS (Klipper)
Compatible Slicers
FLSUN Slicer / OrcaSlicer
Connectivity
Wi-Fi, Ethernet, USB
Display Screen
7.0-inch 1080p Touchscreen
Input Voltage
100-240V AC
Special Features
1,200 mm/s Ultra-High Speed Delta Motion, 40,000 mm/s² Acceleration, 110 mm³/s Volumetric Flow, Integrated Filament Drying Box, Dual AI Camera System
Special Note on FLSUN S1
High-speed enclosed delta 3D printer featuring up to Ø320 x 430 mm center build volume (383 mm full-diameter height at outer edge), up to 1,200 mm/s speed, 40,000 mm/s² acceleration, passive enclosed chamber warmth up to ~50°C (no dedicated active chamber heater), and an integrated filament drying box. Peak 110 mm³/s volumetric flow is rated using FLSUN PLA-HS.
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