You do not need to rotate or oscillate the electrode for successful EDM. In fact doing so will reduce accuracy of cut, because the motion will need clearance to work, and that clearance will be multiplied by the distance from electrode tip to rotate / oscillate mechanism , cutting the hole much larger than the electrode.
An accurate linear slide to hold the electrode, and a DC gearhead motor or servo to operate a leadscrew to drive the slide up and down are all that is needed, if you use the Ben Fleming design. If you are going to spend some cash, get a decent linear slide and forget about rotating the electrode with the apparatus in your picture.
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Three men embroiled in a manslaughter case in Hawaii including the victim, the man accused of killing him, and another charged and released all graduated from Carnegie Mellon University’s Tepper School of Business last year.
Benjamin P. Fleming, 37, of Pittsburgh, is charged with manslaughter and is being held on a $250,000 bond in connection with the strangulation death of Abhishek Gupta, also of Pittsburgh.
Police said that Fleming was a tourist in Honolulu when he was involved in a fight early Monday. Officers were called to a vacation rental in Kailua-Kona, where they found Gupta, 30, not breathing.
CLEMSON, S.C. – The Florida State track and field team competed in the third and final day of the 2021 Atlantic Coast Conference Indoor Track and Field Championship. The women put on an impressive display to claim the ACC crown by scoring an amazing 95 points on the final day to jump and take first place. The men’s team claimed third place behind Virginia Tech and the University of North Carolina.
Florida State captured its fourth ACC women’s indoor championship, all of which have come under current head coach Bob Braman since 2009. The Seminoles have placed first in the last three women’s championships held at Clemson – 2014, 2018 and this season – and their four total ACC titles rank third in league history.