Machine design

Due to my team member give up in Fab Academy, so I have to do it by myself. My workload is heavy , so I choice a simply design "computer control engraving machine" following last week "Mechanical design"

1. control build: hardware

In control hardware , I use the following I use Arduino UNO as main board; Then add CNC shield to help me control CNC shield.

I add 24v power to CNC shield as following

2. code

  • Download grbl library
  • Add grbl library
  • Open file- example-grbl-grblupload
  • update to Arduino uno

3. model to gcode

software:Easel

Design model

Change cutter

Download gcode

4.control the machine

Download the Grbl Controller and click "OPEN " to connect CNC shield Then click the command to edit the parameter

5. Machine test

machine empty moving

machine engrave wax

After test, I find some problems and need to improve

  • X stepper motor's torque is not bigger enough,so it can't move frequently;
  • Belt is loose , and I will add spring later

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