Questions tagged [cnc]

Use this tag for specific question regarding computer numerical control (CNC) machines.

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Hardware emergency stop for RAMPS 1.6

Is it ok to make the stop switch simply interrupt the 12V power to RAMPS 1.6, while the Arduino board would still be powered via its power socket? I use the same 12V/8A to power both the Arduino board ...
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  • 161
2 votes
3 answers
224 views

Issue milling a circular contour with CNC – 3018 Pro

I have a 3018 Pro CNC and being trying cutting a contour of a simple circular part: G-code: ...
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2 votes
1 answer
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Interpreting G-code to answer question about geometry of shape produced

I encountered the following question in a manufacturing course. ...
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1 vote
2 answers
427 views

3D Printed Lead Screw

I want to build a mini CNC machine and need some lead screws. I was wondering I can simply 3D print some. There are a few 3D models out there but I want to know if printing it in PLA+ has enough ...
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1 vote
1 answer
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How to set the fully dynamic plotting area?

I am trying to combine CNC plotter with image processing. The goal is to detect the object and print on that object. My question is can we set the fully dynamic plotting area. For example: I want to ...
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1 answer
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Ready to use objects instead of 3D-printing them [closed]

I hope this kind of questions are tolerated here. Otherwise, please tell me in the comment and I will delete the question - no needs to downvote. For a new job I need to create a lot of objects like ...
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  • 149
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1 answer
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Can't create image to G-code software for CNC to process

For the last 3 months I have been working on a CNC drawing machine but to this day I can't get the algorithm for line detection so I came here. I can't understand only one part and it is CAM the (...
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3 votes
3 answers
468 views

Spindle DC motor and drill bit specifications for Circuit etching CNC machine

I'm making a Circuit etching machine (CNC) and I need a good DC motor and drill bit for the spindle. My machine should be able to etch, drill, and cut: Etching: take copper off the surface like ...
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3 votes
2 answers
227 views

Using both .gcode and .gbr files in a hybrid 3D printer + circuit etching machine? (RepRap 1.4 with Marlin firmware)

I'm making a hybrid 3D printer and circuit etching (CNC milling) machine that can both 3D print and etch prototype circuit boards. I'll be using Marlin firmware with an Arduino Mega & RepRap 1.4 ...
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4 votes
1 answer
934 views

Laser LA03-5000 wiring to RAMPS 1.4

I'm totally lost. I have been searching about two days how to correctly wire Blue Laser LA03-5000 to RAMPS 1.4 board. This laser has 12 V input and separates PWM/TTL wires. I have found out how ...
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3 votes
1 answer
1k views

How do I add auto bed levelling to my Marlin-based CNC?

I just finished a CNC that uses Marlin Firmware. The dimensions of it are quite large (3200 x 2000 mm) and the table is not perfect. I'm thinking of adding a proximity sensor to store a mesh in the ...
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7 votes
1 answer
406 views

What is the "Detailed format classification" of the ISO 6983 (G-Code spec)

For developing a CNC system, I am reading the "ISO 6983-1:2009". In it, there are several references to what they call "Detailed format classification" which I struggle to understand: A ...
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9 votes
2 answers
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Are parentheses allowed within a G-code comment?

I am wondering if this piece of G-code is valid: G0 (Some comment (Its G0 command)) Y10 Z-5 I have tested this on my Chinese CNC machine and it strips out the ...
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2 votes
3 answers
227 views

Interesting project for a child [closed]

A member of our hackspace wants to get their 8- and 11- year old kids1 excited about 3D-printing and CNC cutting and makering in general. We have a weekly open training where people can design and ...
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1 vote
1 answer
392 views

is possible to send printing with mach3?

I was wondering if is possible to send printing using the software MACH3 for CNC since this software can handle up to 3 axes: X,Y,Z,A,B and C. Of course the CNC needs an extra control for temperature ...
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