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Schița de curs
Introduction to 3D Printing and the FLSUN V400
- FDM 3D printing principles: extrusion, layering, and terminology
- Delta kinematics explained: how the three-arm motion system works
- Key specifications: 300 mm diameter by 410 mm height build volume
- Print speeds up to 400 mm/s and the integrated hot end design
- Safety guidelines for 3D printer operation in a workshop environment
Unboxing, Assembly, and Initial Setup
- Unboxing procedure and packaging inspection checklist
- Assembling the delta frame and attaching the effector arms
- Connecting the touchscreen Pad, power supply, and peripheral cables
- WiFi and USB connectivity configuration
- Power-on self-test and initial mechanical verification
Klipper Firmware and the Fluidd Web Interface
- Introduction to Klipper firmware for delta printers
- Navigating the Fluidd dashboard: temperatures, console, and macros
- Understanding the printer.cfg file: key configuration sections
- Connecting to the printer via browser on the touchscreen Pad
- Firmware updates, restarts, and configuration backup procedures
Calibration and Bed Leveling
- Delta calibration fundamentals: delta radius and endstop positions
- Running the automatic bed leveling probe routine
- Manual Z-offset adjustment for optimal first-layer adhesion
- Bed mesh visualization, interpretation, and correction
- Verifying calibration results with test prints
Filament Handling and Extruder Management
- Filament types compatible with the FLSUN V400: PLA, PETG, ABS, TPU
- Filament storage and moisture management best practices
- Loading and unloading filament through the runout sensor
- Direct drive extruder overview and tension adjustment
- Nozzle types, wear indicators, and replacement timing
Slicer Configuration and Print Preparation
- Introduction to Flsun Slicer, Cura, PrusaSlicer, and OrcaSlicer
- Creating a printer profile for the FLSUN V400
- Essential settings: layer height, temperatures, speeds, and retraction
- Support structures and build plate adhesion: brim, raft, and skirt
- Slicing and exporting G-code for Klipper firmware
- Uploading and starting prints via the Fluidd web interface
Daily Operation and Print Management
- Starting, pausing, and stopping prints from all interfaces
- Monitoring print progress via webcam and Fluidd dashboard
- Power loss recovery: what happens and how to resume printing
- Removing completed prints from the PEI flexible build plate
- Basic post-processing: support removal and surface finishing
- Using macros and custom G-code for workflow automation
Material-Specific Printing Guidelines
- PLA: optimal temperature, cooling, and bed adhesion settings
- PETG: managing stringing and bed adhesion at higher temperatures
- ABS: enclosure considerations and warp prevention techniques
- TPU: flexible filament handling and print speed adjustments
Diagnosing Print Quality Issues
- Systematic approach to defect identification in finished prints
- Stringing and oozing: retraction, temperature, and travel speed tuning
- Layer shifting: mechanical and electronic root causes
- Under-extrusion and over-extrusion: extruder calibration and flow rate
- Poor first-layer adhesion: bed leveling, Z-offset, and surface preparation
- Warping and corner lifting: bed temperature and enclosure solutions
- Ringing and ghosting: acceleration and speed adjustments
Preventative Maintenance
- Regular maintenance schedule: daily, weekly, and monthly tasks
- Cleaning and lubricating the XYZ axis sliders and linear rails
- Belt tension inspection, adjustment, and replacement
- Cooling fan, turbofan, and motherboard fan inspection and cleaning
- PEI build plate care: cleaning and restoring surface adhesion
- Inspecting and replacing the toothed wire sheath
- Extruder and extruder motor inspection and service
Hardware Troubleshooting
- Nozzle and hot end clogs: identification, clearing, and prevention
- Hot bed heating failure: diagnosis and repair steps
- Nozzle heating abnormality: thermistor and heater cartridge checks
- Abnormal axis movement: belt, motor, and driver inspection
- Filament detection sensor errors: testing and replacement
- Strange noises during printing: identifying the source component
- Black screen on boot: Pad and motherboard power diagnosis
- Nozzle hitting the hot bed: causes and mechanical correction
Component Replacement Procedures
- Limit switch diagnosis and replacement
- MOS module and adapter board testing and swap
- Motor drive identification and replacement
- Heating rod and temperature sensor replacement
- LED light troubleshooting and replacement
- Power supply and motherboard replacement guidelines
- Shaft motor inspection and replacement procedure
Hands-On Practice and Real-World Scenarios
- Guided calibration exercise: from uncalibrated to perfect first layer
- Performing a complete maintenance routine on a printer
- Diagnosing and fixing intentionally introduced print defects
- Simulated failure scenarios: clogged nozzle, loose belt, failed sensor
- End-to-end print project: slice, print, troubleshoot, and finish
- Group troubleshooting challenge: identify and resolve unknown faults
Cerințe
- No prior experience with 3D printing is required
- Basic computer literacy: file management, web browsing, and USB drive use
Audience
- Production operators and technicians responsible for the FLSUN V400
- Maintenance personnel who need to diagnose and repair printer issues
- Team leads and supervisors overseeing additive manufacturing workflows
- Any staff member who will operate, maintain, or troubleshoot the FLSUN V400 in a production or workshop setting
21 Ore
