[ML-General] Electrostatic Discharge Machine

[Jacob Chancery]

If a picture is worth a thousand words, how much is a 3D model worth?

A model of what I want to make is attached.

I found evidence that Ben Fleming's book is buildable, so I think I'll
order a starter kit
<http://www.homebuiltedmmachines.com/index.php?page=buy&product=pulse_edm_starters_kit>
from him.

Evidence:
https://www.youtube.com/watch?v=r4F3SQW11gg
http://www.liming.org/edm/
http://modelenginenews.org/meng/edm/index.html



On Thu, May 28, 2015 at 8:26 AM, cameron.kellough <
cameron.kellough at knology.net> wrote:

> .012 is pretty small.  To drill this would likely require a sensitive
> drill like
>
> http://www.dumorecorp.com/sensitive-drill-presses#Specifications
>
> The key point being that the 17000 rpms the dumore runs at is probably the
> minimum required.  A quick perusal of available drill bits suggests
> significant depth will be hard to achieve.
>
> Other options are edm already discussed and laser drilling though the
> depth for laser drilling is only 2mm.
>
>
> http://www.oxfordlasers.com/laser-micromachining/laser-micro-drilling/sub-contract-micro-drilling/
>
>
> What about brazing a hypodermic needle into a reasonably sized hole.
>
> --Cameron
> Sent from my Samsung Galaxy Note®|PRO
>
>
> -------- Original message --------
> From: James Fluhler
> Date:05/27/2015 8:14 PM (GMT-06:00)
> To: General discussion about makerslocal
> Subject: Re: [ML-General] Electrostatic Discharge Machine
>
> If you needed a 12mil hole through something less thick I've got access to
> an xy milling table that could do it easily but it's setup for milling
> circuit boards not 1.5" thick pipe haha
>
> James F.
>
> On May 27, 2015, at 7:26 PM, Erik Arendall <earendall at gmail.com> wrote:
>
> Yeah a .012" hole is a tough one. EDM would give you a good finish and a
> true hole. Burr free too. I've contemplated a build of one before.
> On May 27, 2015 7:20 PM, "david" <ainut at knology.net> wrote:
>
>>  just buy some Hilsch vortex tubes.
>>
>>
>>
>>
>> On 05/27/15 19:18, Jacob Chancery wrote:
>>
>> I should've said Electrical instead of Electrostatic.
>>
>> http://en.m.wikipedia.org/wiki/Electrical_discharge_machining
>>
>> I want to cut small (0.012” throat diameter) planar de Laval nozzles in a
>> piece of 1.5” schedule 10 pipe to spin a garret GT1548 turbine.
>>
>> So far I've gotten a few no-quotes, a few ”that can't be done” and one
>> unofficial ”more than $10,000” responses.
>> On May 27, 2015 6:44 PM, "Erik Arendall" <earendall at gmail.com> wrote:
>>
>>> They are interesting machines. What is your purpose for the machine?
>>>  On May 27, 2015 6:33 PM, "clayton pannell" <clayton.pannell at gmail.com>
>>> wrote:
>>>
>>>> Creates ESD to cut metal
>>>> On May 27, 2015 5:00 PM, "Daniel Valdez" <smeeon at gmail.com> wrote:
>>>>
>>>>> wait.. is this to cause ESD or to dissipate it? I'm confused and
>>>>> intrigued at the same time.
>>>>>
>>>>> On Wed, May 27, 2015 at 4:51 PM, Jacob Chancery <
>>>>> jacob.chancery at gmail.com> wrote:
>>>>>
>>>>>> Anyone on the list ever built their own EDM machine?
>>>>>>
>>>>>>  I'm thinking about buying this starter kit:
>>>>>>
>>>>>> http://www.homebuiltedmmachines.com/index.php?page=buy&product=pulse_edm_starters_kit
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> General mailing list
>>>>>> General at lists.makerslocal.org
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>  --
>>>>> Daniel Valdez
>>>>> Audio Insight
>>>>> Huntsville, AL
>>>>> Office 256-885-1995
>>>>> Cell   256-783-6983
>>>>> Fax   256-885-1994
>>>>> www.audio-insight.com
>>>>>
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