hard materials EDM threading (tapping) - EDtapper
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@kev8338 No tap handles very hardened materials and some special heavily alloyed metals as they are just too hard or work hardening materials. The thing is that just sometimes you will forget a tapped hole from a product before hardening and then an EDM is your friend.
JaakkoF 3 months ago
@JaakkoF I know very little about EDM machines, just cnc lathes/mills but wouldnt a expensive 'purpose-made' tap be more cost effective/faster though? Even form taps would be better. idk!
kev8338 3 months ago
@kev8338: Have fun tapping for example 58 HRC steel block. The trick with EDM is that the process doesn't care of how hard the material is, it just needs to conduct electricity.
JaakkoF 3 months ago
wouldn't it just be faster to either tap by hand or use a mill (hand or cnc) to do such a simple job? Seems like it takes too long with EDM.
kev8338 3 months ago
That's cheating. I wanna see him use a hand method, lol
gettingahandle 6 months ago
That's actually really clever. Many of the cheaper orbiters don't allow the edm to use it's z motion. I like this!
Tarkusine 1 year ago