| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
SparkFun |
CNC BOARD 3-AXIS CNTRL SOLUTION |
0 |
|
 |
SparkFun |
CNC MACHINE MECHANICAL KIT |
0 |
|
 |
SparkFun |
CNC MACHINE KIT 3-AXIS |
0 |
|
 |
SparkFun |
CNC BOARD 3-AXIS CNTRL SOLUTION |
0 |
|
 |
SparkFun |
MOTION CTRL ADD-ON KIT FOR CNC |
0 |
|
 |
SparkFun |
MOTION CTRL ADD-ON KIT FOR CNC |
0 |
|
 |
SparkFun |
CNC MACHINE KIT 3-AXIS |
0 |
|
 |
SparkFun |
SHAPEOKO XL |
0 |
|
|
SparkFun |
NOMAD 883 PRO (WHITE HDPE) |
0 |
|
|
SparkFun |
SHAPEOKO V3 |
0 |
|
|
SparkFun |
NOMAD 883 PRO (BAMBOO) |
0 |
|
|
SparkFun |
SHAPEOKO XXL |
0 |
|
|
SparkFun |
NOMAD 883 PRO (GRAY HDPE) |
0 |
|
PCB routers and milling machines are precision tools used for subtractive manufacturing of printed circuit boards (PCBs). These systems use rotating cutting tools to remove copper and substrate materials, enabling rapid prototyping and small-batch production. Their importance in modern electronics development lies in enabling fast design iterations, reducing fabrication costs, and supporting complex PCB geometries including multilayer boards and flexible PCBs.
| Type | Functional Features | Application Examples |
|---|---|---|
| Manual PCB Routers | Hand-operated X/Y axis control, fixed spindle speed | Educational labs, simple prototype development |
| Semi-Automatic Systems | CNC-controlled axes with manual tool changes | Small-scale production of 2-layer PCBs |
| Automatic CNC Milling Machines | Full 3-5 axis CNC control, automated tool changers | High-precision RF/microwave PCB fabrication |
| Micro-Milling Systems | Sub-10 m precision, laser-aligned tool paths | IC substrate manufacturing, HDI PCBs |
Typical systems consist of: - Mechanical Frame: Aluminum alloy/composite structure with vibration damping - Spindle System: High-speed motor (20,000-100,000 RPM) with collet tool holders - Motion Control: Stepper/servo motors with linear guides/screws (precision: 1-5 m) - Vacuum Table: 0.8-1.2 bar suction for material fixation - Control System: Embedded PC with G-code interpreter and tool path simulation - Cooling System: Air/liquid cooling for spindle and electronics
| Parameter | Value Range | Importance |
|---|---|---|
| Positioning Accuracy | 1 to 5 m | Determines trace/space minimum width |
| Spindle Speed | 20,000-150,000 RPM | Affects cut quality and tool life |
| Working Area | 300 200mm to 600 400mm | Limits maximum PCB size |
| Tool Diameter Range | 0.1mm to 3.175mm | Dictates achievable feature size |
| Material Thickness | 0.2-3.2mm | Supports standard PCB substrates |
| Manufacturer | Representative Product | Key Specifications |
|---|---|---|
| LPKF Laser & Electronics | ProtoMat S103 | 5 m accuracy, 45,000 RPM spindle, 400 300mm working area |
| T-Tech (Shenzhen) | PCB-880 | 2 m accuracy, 60,000 RPM air bearing spindle |
| Eclipse Circuit Milling | ECM-2000 | 3-axis CNC, 100,000 RPM spindle, 610 457mm capacity |
| HobbyCNC Pro | DIY PCB Router Kit | 10 m accuracy, 24,000 RPM, Arduino-based control |
Key considerations: - Application Scope: Prototyping vs. production (e.g., ProtoMat E61 for labs vs. S103 for small batches) - Material Requirements: Standard FR4 vs. rigid-flex materials (requires specialized tooling) - Automation Level: Automatic tool changers save 30%+ setup time - Software Compatibility: Verify support for Gerber RS-274X and Excellon formats - Environmental Factors: Dust extraction systems required (typical airflow: 600m /h)
Case Study: A medical device startup successfully implemented T-Tech PCB-450 ( 2 m accuracy) for developing 0.2mm trace width flexible PCBs, achieving 95% first-pass yield.