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Messages 218 - 247 of 2535   Oldest  |  < Older  |  Newer >  |  Newest
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218
Most home-built EDM spark generators so far are based on R-C circuit. Does anyone know of any available resources, circuit diagrams, etc. for the construction...
gohbenghu
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Oct 3, 2005
4:04 pm
219
Uh.... Suppose that tells you something? wds From: "gohbenghu"...
WDSmith
wdsmith41
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Oct 3, 2005
5:24 pm
220
... To my knowledge there is no published circuits of the type I think you are looking for. Look at the thread "Your Wire EDM" on the Homebrew_PCB yahoo group,...
ralucas4277
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Oct 3, 2005
5:25 pm
221
--It has been my experience that trying to find such a set of plans is difficult they are few and far between. I am at the present time work on a design for a...
Ben
flyppc
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Oct 3, 2005
6:08 pm
222
It has been my experience that trying to find such a set of plans is few and far between. I am at the present time work on a design for a pulse unit but it is...
Ben Fleming
flyppc
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Oct 3, 2005
6:09 pm
223
... From: Ben Fleming To: EDMHomeBuilders@yahoogroups.com Sent: Monday, October 03, 2005 11:08 Subject: [EDMHomeBuilders] EDM Pulse Design plans?? It has been...
David L. Foreman
daveforeman2001
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Oct 3, 2005
6:57 pm
224
... From: "Ben" <bnf@...> To: <EDMHomeBuilders@yahoogroups.com> Sent: Monday, October 03, 2005 11:06 Subject: [EDMHomeBuilders] Re: Pulse generator...
David L. Foreman
daveforeman2001
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Oct 3, 2005
7:20 pm
225
... I expect you have seen: http://freepatentsonline.com/4382168.html and then gone on to reference patents that refer to this one, etc, etc. A lot of work...
Jerry Kimberlin
jkimberln
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Oct 3, 2005
8:11 pm
226
I bought it a few years ago, and while everything in it is available on line, there's too much OTHER stuff that is NOT applicable to wade through. I've done...
markotime
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Oct 4, 2005
1:45 pm
227
My gearmotors list gear ratio but not rpm. Anybody have a handle on which ratios are preferred for the 24VDC Pittman gearmotors? WDSmith...
WDSmith
wdsmith41
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Oct 4, 2005
7:15 pm
228
... Normally the motors only have the rpm listed, and gearboxes are just expressed as ratios. Look up the specific motor page, then work it out. Steve...
Steve Blackmore
stevepilotltd
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Oct 4, 2005
11:21 pm
229
That would make a lot of sense if they had found it in their hearts to list the motor part number. wds ... From: "Steve Blackmore" <steve@...> To:...
WDSmith
wdsmith41
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Oct 5, 2005
2:04 am
230
... etc. ... You ... The ... Rag is a good word. this pubulication has nothing for the home shop. some ads from Charmilles and others, but absolutly no...
Dave Mucha
dave_mucha
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Oct 5, 2005
5:03 am
231
... One note on patents. They are written to lock in a thing and to also not reveal a thing. Many hours are spend on special wording that will create a...
Dave Mucha
dave_mucha
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Oct 5, 2005
5:07 am
232
... to list ... Is you know the voltage, then power it from a good voltage source and use a watch and count the RPM. I think the window is pretty big for ...
Dave Mucha
dave_mucha
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Oct 5, 2005
5:15 am
233
--I will agree that EDM today has little in it for the homebuilder but from time to time, there are tid bits of useful info. You have to read close but I have...
Ben
flyppc
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Oct 5, 2005
9:23 pm
234
I will agree that EDM today has little in it for the homebuilder but from time to time, there are tid bits of useful info. You have to read close but I have...
Fleming Benjamin
flyppc
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Oct 5, 2005
9:26 pm
235
Just got off the phone with All Electronics and they are currently out of stock for the photo flash capacitors. I have looked on a couple of other "surplus...
errol_groff
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Oct 7, 2005
9:02 pm
236
Errol, have you tried asking for them at the photo finishers places? The shoot, process & toss cameras are mostly just trashed. I got a sack full. No problem....
RichD
cmsteamer
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Oct 7, 2005
11:38 pm
237
Try a place called Electronic Goldmine, www.goldmine-elec.com. They have the photoflash caps listed. I have bought from them for several years. charlie...
ces44
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Oct 9, 2005
3:58 pm
238
Hi all, Radio Shack parts are unavailable in our part of the world (South Africa) and I am therefore forced to search for alternative suppliers/parts (part of...
Deon Styger
dpjstyger
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Oct 10, 2005
8:58 am
239
... Africa) and I am therefore forced to search for alternative suppliers/parts (part of the fun!). I have the opportunity to order a customer specified...
Dave Mucha
dave_mucha
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Oct 10, 2005
9:51 pm
240
[sic 70 volts 10 amps transformer] ... Should a higher value resistor be used in order to limit the current to 5A or could the existing resistor be used,...
Dave Mucha
dave_mucha
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Oct 11, 2005
2:37 pm
241
... Dave, Thank you for replying. From your answer I deduct that you will allow the current to be higher than the existing design's 5A? I was wondering whether...
Deon Styger
dpjstyger
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Oct 11, 2005
3:27 pm
242
A couple of things you guys need to keep in mind. The only time the resistors really see full load is during a shorted condition. The servo motor should react...
Ben
flyppc
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Oct 11, 2005
5:53 pm
243
... I would venture to say the last bit is the most important. Dave...
Dave Mucha
dave_mucha
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Oct 11, 2005
8:25 pm
244
... allow the current to be higher than the existing design's 5A? If you limit the current to 5A, then there is no reason to have a power supply larger than 5A...
Dave Mucha
dave_mucha
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Oct 11, 2005
8:27 pm
245
Hi Deon, when you contact your transformer supplier, tell them what you intend to use it for and see if they will offer a de-rating value. When using a high...
Dave Mucha
dave_mucha
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Oct 12, 2005
3:18 am
246
I agree Dave I don't have any problem with that I will encourage any member on the EDMHomeBuilders group to participate on this list as well. I just wanted to...
Ben
flyppc
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Oct 12, 2005
8:32 pm
247
Hi Dave, Ben, Thanks for all the feedback. I have however decided to rather stick to the book and use a 50V transformer. My knowledge about electronics is just...
Deon Styger
dpjstyger
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Oct 13, 2005
6:46 am
Messages 218 - 247 of 2535   Oldest  |  < Older  |  Newer >  |  Newest
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