5-axis CNC 5 Color Airbrush

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31 May 2020 00:18 - 31 May 2020 01:44 #169464 by Bari
Starting back on the 5-axis CNC CMYK+W airbrush.

3-axis single color results shown here.
imgur.com/EAF5oPj
imgur.com/RX7b6nj
imgur.com/C7rumNS

Inkjets have a limited reach of only a few mm. The airbrush will be able to reach (with limited resolution) where an inkjet can not.
imgur.com/3pLawzP
If you look closely at the T-slot the inkjet can't reach into the slots.

It works very similar to the multi-axis inkjets
imgur.com/LOriL1y
Last edit: 31 May 2020 01:44 by Bari. Reason: added another image
The following user(s) said Thank You: tommylight, Aciera

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31 May 2020 00:41 #169466 by tommylight
Very nice.

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31 May 2020 12:18 #169509 by Aciera
Replied by Aciera on topic 5-axis CNC 5 Color Airbrush
So what kind of software tool would you use to create the gcode for the separate colours?

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31 May 2020 19:19 - 31 May 2020 20:34 #169551 by Bari
Replied by Bari on topic 5-axis CNC 5 Color Airbrush
You can separate each color into its own paths using GIMP then convert each color to gcode.
Last edit: 31 May 2020 20:34 by Bari. Reason: typo
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01 Jun 2020 06:37 #169615 by Aciera
Replied by Aciera on topic 5-axis CNC 5 Color Airbrush
What do you use to convert each color to gcode?

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01 Jun 2020 06:59 #169620 by Bari
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01 Jun 2020 08:37 #169634 by bbsr_5a
Replied by bbsr_5a on topic 5-axis CNC 5 Color Airbrush
why dont you use a Robot to paint in full dimation
with the 5Axis mashine you are limited to the mashine size and part position
the robot workes on walls and fixed parts
www.google.de/search?source=univ&tbm=isc...sh+wall+breakthrough

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01 Jun 2020 09:21 - 01 Jun 2020 09:22 #169636 by Aciera
Replied by Aciera on topic 5-axis CNC 5 Color Airbrush
Interesting.

So in order to mix individual color hues you would have to transform the z-value to the feed rate? Or would you vary the airflow?
Last edit: 01 Jun 2020 09:22 by Aciera.

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01 Jun 2020 10:51 #169644 by rodw
Replied by rodw on topic 5-axis CNC 5 Color Airbrush
You might be able to roughly approximate a colour printer with 4 airbrushes and CMYK translucent inks with some kind of calibration for airbrush to dwell time or feedrate to apply varying quantities of ink. In fact if you got continuous inking system inks for inkjet printers you'd nearly be there!

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01 Jun 2020 16:19 #169685 by Bari
Replied by Bari on topic 5-axis CNC 5 Color Airbrush
@ rodw The continuous inkjet (CIJ) heads tend to be rather large compared to airbrush. i use them in other applications. The CIJ drop volume doesn't vary. Airbrush is more complex and more versatile for some applications since you can vary the spray area over a very wide range >100:1.

@ bbsr_5a I can. I've been doing so with inkjets for years.

@ Aciera You can vary the spray pattern and volume of an airbrush. Think of it like a conical cutting tool only mounted backwards with the point facing the spindle..

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