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Those HV film caps are 3 EUR per piece incl. shipping in Germany rn:  https://www.ebay.de/itm/372638744980 

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TIG Welder Repair, EDM, HV, YAG and more

Click here for 2 months free Skillshare https://skl.sh/marcoreps12 EDM Arc Generator by https://baxedm.com/ Play with Junk https://www.youtube.com/PlaywithJunk Banggood HV rubber gloves http://bit.ly/35wWfIY BAXEDM YouTube Channel https://www.youtube.com/channel/UCy4kgsAYxcraee8w5SfqXPA Wire EDM demo piece https://www.youtube.com/watch?v=rvUA3PUffLw HV Film Caps https://www.ebay.de/itm/372638744980 Patreon https://www.patreon.com/marcoreps In this video I am unboxing an EDM arc generator by BAXEDM, a few high voltage film capacitors and a pair of insulation rubber gloves. Just for fum I am charging one of the 350 µF 1500 V caps to various voltages only to short-circuit it with a servo motor. Such a high energy discharge could also be used to pump a YAG laser. In the second half of the video I am picking up and repairing an old AC / DC TIG welder by Rehm.

Comments

Faraz Sadrzadeh

That's some this old tony territory that you're getting yourself into.

Patrick Kübler

If you are interested, I've got a few 8kV three phase 16uF caps laying around. I'd be happy to send them over for some laser fun :D

Marco Vujevic

I hope you are not wasting money on insurance on the house. I don't see any insurance paying more than 80 cent for the postage of the letter telling you that they also have youtube and you get noting .. Also, please don't weld in socks. Some things are just wrong. :)

marcoreps

Thank you, appreciate it!! but ... https://imgur.com/a/roxVH5K I'm full for now 😅

marcoreps

You are right! But realistically I think the biggest fire hazard I have is an ultrasonic cleaner filled with IPA ... no insurance company will agree to that tho

Ivan Tarasov

I vote for a simple proof of concept first (e.g. drilling), and then a super-ambitious open-source design CNC EDM.

Ivan Tarasov

Once you mentioned IGBT I started hoping you'd remake all the stuff inside using the modern state of the art.

marcoreps

Yes, exactly! A 'low-loss-EDM-band-saw' would be so cool and useful even

Leon

Fun video Marco! are you attending 36c3 this year?

marcoreps

been wanting to attend a CCC event for some time now, but in the end it never worked out for one reason or another ... should it happen this year, I'll let you know!