S03 Fire

Talk about all things CNC
Gadgetman!
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Re: S03 Fire

Post by Gadgetman! » Wed Oct 05, 2016 11:13 am

Why would anyone use a downcut bit for metalwork?

The big reason to use downcut bits is that they leave a much cleaner edge on top of woodlike materials than a standard upcut bit does.
Cut-through edges as worse than for upcut bits, and chaff stransport is also poor.

You don't cut deep with them without doing parallell passes so that the chaff can be easily pushed aside, unless you have some very efficient dust extraction.
Weird guy...
Shapeoko 2014F: 1000mm X/Y, 300W Quiet Cut spindle, Arduino Uno/G-shield and GRBL 0.9i
15x30 drag chains, custom spindle mount, 9mm belts, 8mm endplates, 6mm motor plates.

Jimf
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Joined: Wed Feb 11, 2015 8:58 pm

Re: S03 Fire

Post by Jimf » Thu Oct 06, 2016 11:21 pm

I have a remote camera that I can view through my phone when I need to step away for a bathroom break. Plus two smoke detectors and two fire extinguishers.

MeanderBolt
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Joined: Mon Nov 04, 2013 6:45 pm
Location: Georgia
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Re: S03 Fire

Post by MeanderBolt » Fri Oct 14, 2016 2:08 am

Now THAT was scary. So many examples of what not to do. But I couldn't stop watching. I also thought it was a kinda funny how fast the video stopped right after the machine was stopped.
Shapeoko 2 # 3569 - DW660
Current tool chain > Draftsight > CamBam > ChiliPeppr
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