PCB Manufacturing Using CNC Router

-Board Type: Single Layer -Manufacturing Method: CNC Isolation Routing -Tool Diameter: 0.7 mm -Substrate: FR4

Workflow Diagram

Altium → Gerber → FlatCAM → G-code → CNC → PCB

📖 Project Overview

This project demonstrates the complete workflow of printed circuit board (PCB) manufacturing using a CNC router. The process includes PCB design using Altium Designer, toolpath generation using FlatCAM, and physical PCB production using CNC machining.

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🎯 Project Objectives

• Design PCB layout using Altium Designer
• Convert PCB design files into manufacturing toolpaths
• Generate G-code using FlatCAM
• Manufacture PCB using CNC router
• Understand PCB fabrication workflow

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🛠 Tools and Technologies Used

• Altium Designer
• FlatCAM
• CNC Router Machine
• G-code Programming

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⚙️ Manufacturing Workflow

1️⃣ PCB Design

PCB schematic and layout design were created using Altium Designer.

Output files:

• Gerber files
• Drill files

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2️⃣ CAM Processing

Gerber files were imported into FlatCAM to generate machining toolpaths.

Operations performed:

• Copper isolation routing
• Drilling path generation
• Board outline cutting

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3️⃣ G-Code Generation

Toolpaths were converted into CNC compatible G-code.

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4️⃣ CNC Machining

Generated G-code was executed on a CNC router to manufacture the PCB.

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📊 Project Outcomes

• Successfully produced functional PCB using CNC machining
• Gained experience in PCB manufacturing pipeline
• Learned CAM and CNC integration

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🚀 Future Improvements

• Multi-layer PCB manufacturing
• Surface finish optimization
• Automated toolpath optimization
• Integration with pick-and-place process

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👨‍💻 Author

Kerem Danışık
Electrical and Electronics Engineering Student