grbl-L-Mega
CNCL
Our great sponsors
grbl-L-Mega | CNCL | |
---|---|---|
2 | 2 | |
14 | 6 | |
- | - | |
0.0 | 3.2 | |
about 1 year ago | 9 months ago | |
C | C++ | |
GNU General Public License v3.0 or later | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
grbl-L-Mega
-
First aluminum project on Sainsmart 3020Pro Max
In the Grbl-L (grbl lathe version, there is also a Grbl-L-Mega version), an input pin is used to measure the spindle speed of the lathe. The same pin is used for G33 spindle synchronization threading.
-
I've been retrofitting an old benchtop CNC lathe to run GRBL and cut threads! Let me know what you think.
The interface between the Teensy and Arduino is actually fairly simple. GRBL already has a built in spindle speed output using the Arduino PWM. The Teensy just reads the analog voltage from the spindle speed pin on the Arduino to set the speed. Similarly the output from the Teensy (the synchronization pulse) is just a digital pulse that gets picked up on the GRBL 'Probe' pin. Full details on the GRBL threading implementation are here. The spindle rpm should be reasonable stable under load since the Teensy is running a PID controller using the input from the encoder to keep the speed stable. This means that it can correct the rotational speed ~20 times per rotation.
CNCL
-
Building a live tool cnc lathe out of an old lathe and an old cnc, any reason it shouldn’t work? Concept is to production turn round items.
This is how I CNC converted my lathes: Mini lathe CNC modification
-
Best for different thread types on aluminum tubes.
Threading and turning the stock to the required diameter on a bench top lathe requires frequently changing gears. That is not a problem if you are doing this for fun but it is time consuming. If you want to do this for a living, you need either 2 lathes, a CNC lathe or you have to do large batches. I have CNC converted both my bench top lathes for about €150,-- each (without PC). Besides that, it will take a few days to get it done. My mini lathe CNC conversion
What are some alternatives?
grblHAL - This repo has moved to a new home https://github.com/grblHAL
Sand-Table - An open-source platform for building DIY sand tables (like the Sisyphus or ZenXY)
grbl-Mega-5X - 5/6 Axis version of Grbl, the open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on an Arduino Mega2560
ESP3D - FW for ESP8266/ESP8285/ESP32 used with 3D printer
LPC176x - grblHAL driver for LPC1968 and LPC1769
GRBL-Pendant-with-LCD - Arduino UNO or MEGA Pendant with LCD for GRBL 1.1f (Jog X Y Z and send any Command while connected to PC simultaneously)
Kernels - This is a set of simple programs that can be used to explore the features of a parallel platform.
GERBER_X3 - Program for preparing G-code for milling of printed circuit boards on CNC. You can use it as a converter to a PDF file.
mcmap - Pixel-art map visualizer for Minecraft. Maps are drawn from an isometric perspective.
candle - Minimalist ML framework for Rust
uCNC - µCNC - Universal CNC firmware for microcontrollers
grbl-L - An open source, embedded, high performance g-code-parser written in optimized C that will run on a straight Arduino. Forked from GRBL modified for use on a lathe with spindle sync threading