CNC Drill

1
CNC Drill

• ECE 4180
• Jake Goulding
• Dane Wagner

2
Concept
3
Reality
4
Differences

• Moved some functionality to USB board
• Changed axis orientation
• Complete redesign of Y/Z axes

5
USB Board

• 5-byte packet sent to USB Board
• Generic USB Report
• Command, 2 16-bit signed shorts
• Custom firmware decodes packet
• Allows for faster movement
• Avoids Windows USB speed limits

6
Axis Orientation

• Axis changed to provide better support
• Box frame is structurally stronger
• Drill moves through plate

7
Limitations

• Compiler for USB board
• Limited to 0x1000 bytes
• X and Z axes warped
• Causes loss of precision
• Noisy

8
Uncompleted Tasks

• Circuit Board
• Limit Switches
• Position Feedback

9
Samples
10
Samples
11
Questions?