woodworking - fractal buring
Discussion
Well Ive seen some crazy things over the years, but this week I met a friend who was looking for some advice. His daughter has been quite the thing with woodworking and she has started doing this fractal wood burning thing.
I paid a visit to see it in action and prompty s
t it. I have to say I have never ever been as scared about a contraption as what I was when I saw this thing. Granted it produced some nice designs but damn it this thing was deadly.....
An old microwave had been liberated of its transformer. this was rated around 2kw. It stepped up the mains to around 4,000 volts. This was on a home made chassis, with a mains switch. His daughter was using the output to burn wood. to crreate intricate patterns.
burn the wood.
not
a
clue
so many things wrong here. Mains on the switch. transformer exposed, and that was before we even went near the output. 4 thousand volts.
Two cables one with a clamp for the wood and the other a nail. knocked up to touch the wood. to generate a path for the current to flow and generate the patterns.
Asked how to make it better. I said skip.
would be so easy to come into contact with a lethal source. it is / was not worth it at all. the slightest mistake.
I paid a visit to see it in action and prompty s
t it. I have to say I have never ever been as scared about a contraption as what I was when I saw this thing. Granted it produced some nice designs but damn it this thing was deadly.....An old microwave had been liberated of its transformer. this was rated around 2kw. It stepped up the mains to around 4,000 volts. This was on a home made chassis, with a mains switch. His daughter was using the output to burn wood. to crreate intricate patterns.
burn the wood.
not
a
clue
so many things wrong here. Mains on the switch. transformer exposed, and that was before we even went near the output. 4 thousand volts.
Two cables one with a clamp for the wood and the other a nail. knocked up to touch the wood. to generate a path for the current to flow and generate the patterns.
Asked how to make it better. I said skip.
would be so easy to come into contact with a lethal source. it is / was not worth it at all. the slightest mistake.
I watched a YouTube video about it last year, absolutely terrifying, as are the comments.
https://youtu.be/FBeSKL9zVro
https://youtu.be/FBeSKL9zVro
I used to run a well known oven cleaning franchise & unfortunately none of the training covered the potential lethality (?) of microwaves. I had a job in a very wealthy household in Wimbledon village & was asked to clean a Smeg microwave I hadn’t come across before. As I reached up into the roof of the unit, there was a hideous bang & the next minute I was opening my eyes, flat out on the kitchen floor, several feet away with the lady of the house (and actual lady, wife of Sir X) standing over me saying “we heard a bang dear. Was it you?” Thankfully the unit restarted after I stumbled into their equipment room & flipped a circuit breaker. Absolutely frightened the living stuff out of me. Later found they can retain a charge even after being switched off. No kidding. Terrifying.
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