The Maslow CNC is a low to mid end hobbyist CNC meant to cut 4x8 foot plywood.
The Maslow CNC is a 'hobbyist' CNC so having a basic knowledge of how it functions will help in it's usage.
- Maslow CNC main website
- Maslow CNC user forums
- Maslow CNC assembly guide
- Maslow CNC GitHub
- Maslow CNC control software (Ground Control) and associated wiki
The left motor was rotating in a clockwise direction even though a counter clockwise signal was being sent during calibration. The next steps to diagnose and fix the issue are to replace the motor, the cable and the Arduino if need be. The Arduino firmware should be updated with more recent software as should the 'Ground Control' software communicating with the Arduino.
The Maslow CNC is built out of a frame connected 2x4 beams. A 4x8 foot plywood sheet is placed on the frame and used as a backing board.
The Maslow CNC is an upright CNC that uses two worm-geared motors with encoders attached to guide a sled via a linked chain.
A router is attached to the sled and it's height is controlled with another worm-gear motor and encoder attached on the sled.
An Arduino controls the motors and accepts GCode from a USB connection.
The chains are kept under tension with a counterweight that is fed through a pulley system.
The counterweights are bricks tied to string with stove pipe as a guide to prevent tangling and catching on the frame.
Control is provide by a software package called Ground Control, which is free and open source software and can be installed on any machine (wiki). Once Ground Control is installed, you can connect your computer to the Arduino via the USB cable to monitor and submit jobs.
After initial setup, the Maslow CNC needs to be calibrated. This process can take up to two hours and is guided by the Ground Control software.
To help with calibration, a 'pen holder' jig has been made. The pen holder is not perfect so there might be better ways to provide the same functionality.