UV DLP Projector Integration Manual for Industrial-Grade 3D Printing Systems

1. System Requirements

SM9 UV DLP Specifications:

405nm wavelength UV projector

Minimum 1920×1080 resolution

20,000+ hour LED lifespan

Controller Compatibility:HDMI 2.0/USB2.0 interface

Supports Raspberry Pi 4/PC

2. Hardware Integration

Mechanical Assembly:

Mount projector at 90° to build platform (±0.5° tolerance)

Secure with vibration-damping brackets

Optical Alignment:

Use collimator lens (f=50mm recommended)

Calibrate using alignment target:

X/Y offset < 0.1mm  
Focus uniformity > 95%  

3. Firmware Configuration

Marlin Parameters:

#define DLP_MACHINE_MODE 7  
#define PROJECTOR_POWER_TIMEOUT 30000  

Critical Settings:

UV intensity calibration (50-80mW/cm²)

Layer refresh delay: 500-800ms

4. Safety Compliance

EN 60825-1 Class 1 laser safety

Add cooling fans

IP54 dust/fluid protection

Emergency stop circuit integration

5. Validation Protocol

Print 20mm resin cube

Measure:

XY accuracy: ±25μm

Z-axis consistency: ±50μm