Proxxon FF230 based CNC mill
This homemade CNC mill is based on a conventional Proxxon FF230 mini mill. The X and Y joints are modified for CNC compatibility and the Z joint is replaced by a custom design.
The microcontroller firmware controlling this machine is completely Open Source and freely available under libre license (GPL). The software system to control the machine via standard G-code is LinuxCNC, which is available for free, too.
Schematics and firmware
There are 7 microcontrollers running self made software to control the mill:
- Stepper motor drivers (One for each of X/Y/Z). Firmware, Schematics
- Peripheral signal control. Firmware, Schematics
- Limit and reference switch debounce and control. Firmware
- Touch probe control. Firmware, Schematics, Mechanics
- Pneumatic pressure control. Firmware, Host software, Schematics
More pictures
A part of the custom Z joint's moving carriage with the aligned surface manually scraped into shape:
Some aluminum pieces produced on the machine:
License / Copyright
Copyright (C)
Michael Büsch
Licensed under the GNU General Public License.
See the sourcecode for details.