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norman royds 1	10/11/2011 14:15:01
4 forum posts	Hello Does anyone have details of design of the mechanical part of Mike Napps spark eroder. That was on show at the recent Warwick Show Regards Norman
Gray62	10/11/2011 15:12:49
1058 forum posts 16 photos	Hi, if you are a member of SMEE, Mike will gladly share the details of the device. This is not a simple design and requires the programming of a microprocessor. It is a very efficient design however, there is another route. Ben Flemming has produced 2 designs for an EDM, one is RC based and the other is a more advanced pulse design, both of which use readily available components and do not require a micro or any programming. Search Yahoo groups for EDMHomeBuilders for more details or PM me, as I have both of the books and PCB's in build if you require any further info regards Graeme
wotsit	10/11/2011 16:39:37
188 forum posts 1 photos	Not sure if I have the correct reference, but Mike Kapp (with a K, not N), published a simple EDM design here not long ago - I built a version which works well enough for me. http://modelengineeringwebsite.com/EDM_1.html It is not a processor controlled system - uses a simple CMOS control circuit. The series of 4 articles gives all constructional details, and the thinking behind it, if you want to change things.
Jack Knapkin	25/08/2013 18:41:42
1 forum posts	I have seen similar postings for a while now and have tried to build my own machine without success. I came across Pear Tree Engineering ( www.sparkeroding.co.uk ) to whom I posted a shaft with a broken tap which they removed sucvessfully. It seems an easier and cheaper way than trying to build a machine whose performance may be doubtful. Hope information is useful, Jack
Michael Gilligan	26/08/2013 08:57:24
23121 forum posts 1360 photos	Posted by wotsit on 10/11/2011 16:39:37: Not sure if I have the correct reference, but Mike Kapp (with a K, not N), published a simple EDM design here not long ago - I built a version which works well enough for me. LINK It is not a processor controlled system - uses a simple CMOS control circuit. The series of 4 articles gives all constructional details, and the thinking behind it, if you want to change things. . Unfortunately, that link is returning 404 [File Not Found] MichaelG.
JasonB	26/08/2013 09:20:34
25215 forum posts 3105 photos 1 articles	Probably as the post is 2 years old!! MEwebsite has been changed about recently with a lot of projects taken off and only available on DVD
Michael Gilligan	26/08/2013 10:48:04
23121 forum posts 1360 photos	Thanks for the info. Jason MichaelG.
Dunc	26/08/2013 14:58:53
139 forum posts	"...lot of projects taken off and only available on DVD" Hoping - and I apologize for my intrusion on the thread - the moderator would provide details about the dvd (what it is, contents, how to order, cost, etc). Thank you
JasonB	26/08/2013 15:09:22
25215 forum posts 3105 photos 1 articles	PM sent

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