Linux cnc to gcode

GcodeGenerator

It is a script for Blender. It can generate gcode ideal for LinuxCNC 🙂 it export from mesh ( vertex / edge / edges (outlines) / objects ) to 2d, 2.5d and full 3d for (3axis mill).

2. donation

collect on the new hardware to write code. accept a donation: paypal (b.ceglik @ gmail.com) Title: Support for mgcodegenerator or url: http://yoyo.ghost.pl/mgcodegenerator.html

3. requirements

• program capable of reading the file type gcode. not necessarily LinuxCNC)
• blender
• python
• linux / windows




4. tips






• 2d/2.5d/3d cam — gcode can be generated from the object type mesh not curve.
• 2d/2.5d cam — use of tool compensation is only possible with objects that have no errors in the grid. I recommend not to mix of objects made of meshs and edges. objects should be consistent. objects with protruding edges may generate errors. have not yet come to that so why sometimes the lines perfectly horizontal / vertical not generate correctly. solution is to gently rotate the object.
• 3d cam — to make surface tracking with higher quality put object on positive x ,y near 0,0 point. set edge detail to 5 ore more. edges will bi crisper. 🙂




5. home page




6. download






• ver 0.1.78




• addition subpass (http://yoyo.ghost.pl/fb/?&tag=mGcodeGenerator&id=1308&subPage=detale)
• more accurate detection of the shape tools,
• options 0 `, 90` angle pass
• «E» — edge detect, (http://yoyo.ghost.pl/fb/?subPage=na_tapecie&tag=edge%20detection) but in the time available to prepare and improved






• ver 0.1.73




• ver 0.1.71




• ver 0.1.70




• ver 0.1.63




• ver 0.1.62




• ver 0.1.61




• ver 0.1.42




• ver 0.1.41




• ver 0.1.10




• ver 0.1.9




7. how to install it






• linux /usr/share/blender/scripts or ~/.blender/scripts
• Windows XP: C:\Program Files\Blender Foundation\Blender\.blender\scripts
• Windows XP (alt): C:\Documents and Settings\USERNAME\Application Data\Blender Foundation\Blender\.blender\scripts
• Windows Vista: C:\Users\USERNAME\AppData?\Roaming\Blender Foundation\Blender\.blender\scripts




8. how to use it






• «inch./cm.» — toggle button to choice units in generating file ( not press inch. / pressed mm. units )
• «CW / CCW» — toggle button to choice mill direction
• «Z axis safty» — it is a minimum height of tool from work area
• «Z height level» — [2d bake] at such a height above the path the tool will work with speed G01. [3d bake] height off milled single layer.
• «G00 speed» — hyy
• «G01 speed» — hyy 😛
• «Tool size» — dimensions of tool






• «bake gcode» if (edges/s = false) — you will gate all edges of selected object/s without edges with are share with two neighborhood faces ( :/ my english 🙁 ).




• «bake gcode» if (edges/s = true) — you will gate all edges of selected object/s






• «bake gcode (+tc)» — Tool compensation for 2d/2.5d bake. if (pressed) generator will try to make path with tool compensation. ( if «out/in» is not press you will get out of the object tool compensation, if press over obejct )






• «bake gcode» it generate 3d gcode — tool will pass from top to down if «pass 90» is true it will add 90` pass
• subdetect — it is value for sub detection / pubpixels. higher the slower but more accurate.
• sub pass — at a sub detect the path to be generated



3D bake — diagram explaining what is what

work example, dxf file download from web, import to blender, adds some mods, make nice render and generate gcode http://yoyo.ghost.pl/fb/?subPage=na_tapecie&tag=mGcodeGenerator%su31%20test

9. screenshots




• 2d beak examples









• 2.5d beak examples




• 3d beak examples






• pockets



• holders

• tool compensation






• multipass

10. video & video tutorials






• preview




• how to mill text in it




• how to impornt dxf file




• tool compensation




11. feed back

if someone can correct my spelling :/

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Simple LinuxCNC G-Code Generators written in Python

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LinuxCNC/simple-gcode-generators

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README.md

This repository contains a collection of Python scrips that generate simple G-Code for LinuxCNC. For me to fire up a high dollar CAD program and the use the POST processor to generate simple routines is a waste of time. So I’m writing a series of Python programs to do this. If you did an LinuxCNC install, or have Mac OS X, you already have all you need.

You can either clone this repository using Git or download the whole repository as a zip file.

All of these scripts, written by various authors, are licenced under the GNU General Public License.

• Airfoil Generator — 3-4 Axis XY-XYUV Foam EDM Style airfoil generator
• Arc Generator — generate an arc from the diameter, the start and end angle
• Bezel Engraving — engraves a bezel like you would see on the front panel of a stereo around the volume control knobs
• Bolt Circle Array — generates a circular array for canned drill cycles
• Counterbore — generates the G-code for counterbores for socket head cap screws
• Drilling Speeds-n-Feeds — helps you to calculate the speeds and feeds for drilling
• Facing Software — super simple facing Generator
• Grid — generate various shapes of grid to test the speed and the accuracy of a milling machine
• Grill — drills a circular array of holes typically used as a speaker grill or as ventilation holes in a chassis panel
• Pocketing — Rectangular-Circular Pocketing Generator
• Text Engraving — This software engraves a text string
• Multi-line Text Engraving — Engrave up to 10 lines of text
• Ruler Engraving — Engrave generic ruler in metric or standard with text

Using Python scripts with Axis

To download a file right click on it and select «Save link as».

• Place the .py files in your nc directory so it is easy to find
• Right click on the .py file in your file browser and select Properties. On the Permissions tab check Execute on the Owner line.

Add the following lines to the [FILTER] section of the Axis ini file

[FILTER] PROGRAM_EXTENSION = .py Python Script py = python 

If you don’t have a [FILTER] section just add it

Now use File Open in AXIS to open face.py and after you generate the G-Code select Write to AXIS and Quit.

Using Python scripts with Windows

Rename the file from .py to .pyw

Download and install the python program from python.org.

CP1 is a conversational machining program written by Ray Henry and Matt Shaver. It allows you to create G-code files for rectangular and circular pocket milling, bolt circles, hexagonal and rectangular arrays of holes, and «bezels» whatever those are.

Dxf2gcode — import a 2D DXF file and produce G-code

This program seems to work pretty well with DXF files from QCAD.

GCMC — G-Code Meta Compiler

GCMC is a front-end language for generating G-code, SVG and DXF for CNC mills, lathes, laser cutters and other numerical controlled machines employing G-code, SVG or DXF. The language is a context-free grammar created to overcome the archaic format of G-code programming and aims to be more readable and understandable.

A script for Blender. It can generate gcode ideal for LinuxCNC 🙂 it exports from mesh ( vertex / edge / edges (outlines) / objects ) to 2d, 2.5d and full 3d for (3axis mill).

OpenVoronoi and OpenCAMLib

There are some sample scripts and screenshots that use OpenVoronoi and OpenCAMLib:

Pycam — Drop Cutter Surfacing Software

A GPL 3D CNC Toolpath Generation program written by Lode Leroy.

RasterCarve — Raster image engraving software

A GPLv2 raster engraving program similar to PhotoVCarve.

A TrueType tracer with DXF and G-Code output

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Simple LinuxCNC G-Code Generators written in Python

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