by Stefan Siegl
PyPC-NC is a GUI application to controll a CNC mill that has a CNCCON axis controller by "Burkhard Lewetz - Ingenieurbüro für technische Software-Entwicklung"; hence it is kind of an alternative to his WinPC-NC software for Windows PCs.
- Python/PySide based GUI application, hence plattform independent
- displays certain machine status information
- automatic reference movement + manual movements
- storing workpiece location (and moving back to its' origin)
- G-Code import & interpreter
- graphical rendering of G-Code on XY plane (bird's eye view)
- polar coordinate based position correction
- CNCCON mock implementation
The G-Code interpreter is far from being fully-fledged (and error-free). But still it supports most of the code popular plugins and free CAM software exports.
Especially the interpreter (currently) lacks support for
- plane switching (currently solely XY plane is supported)
- helical arcs (G2 and G3 code with Z axis word)
- B-splines and nurbs
- boring canned cycles (G84 to G89)
- dwells and dwell-requiring canned cycles (G82, G86 et al)
- tool length & radius compensation
- path blending
- coordinate system selection
- spindle speed override during program execution (serial command
C) - conditional blocks, loop constructs and expression evaluation
Besides block execution is mostly from left to right. Other G-Code interpreters don't necessarily execute left to right.
- mockserial, binds the mock implementation to a PTY which can be provided to WinPC-NC via Wine (thus allowing mock sessions with WinPC-NC)
There is a bug in pyside-uic, caused by use of QButtonGroup and yields
"an unexpected error occured" message during make.
See https://bugreports.qt-project.org/browse/PYSIDE-126 for details.
sudo vim /usr/share/pyshared/pysideuic/uiparser.py +212 and replace
bg_name = bg_i18n.string by bg_name = bg_i18n.