Re: [EVGRAY] Dual rotor motorgen three coils row

Body

Why not just use ceramics ? Or glass or fiberglass plate ?
On Aug 22, 2018 3:08 PM, "machinationus [email protected] [EVGRAY]" <
[email protected]> wrote:

>
>
> Thanks Warren, did you ever try zinc? I did try 303,304,316 and got mixed
> results.
> It may depend on manufacturing process..
> But it would work much better than aluminum if you could afford it!
> On Wednesday, August 22, 2018, 6:16:04 a.m. MDT, Warren Keillor
> [email protected] [EVGRAY] <[email protected]> wrote:
>
>
>
>
> Machinationus
> You are sure right about keeping diamonds cool. The ones I have been using
> are just brazed to the steel tube hole saws. As soon as the bronze melts,
> the diamond is shed, leaving no cutting action.
> 316L stainless is pretty non magnetic. You can do a very simple, and
> dramatically interesting test , yourself, if you have a sphereical neo
> magnet, and a selection of same size tubes, made out off different metals,
> and alloys.
> Just hold the tube vertically and drop the magnet down the tube.
> With aluminium, the eddy currents, will nearly stop the ball in the tube,
> which appears to float inside the tube when you look down counting the
> seconds it takes to fall a meter.
> With stainless 316 L , it drops as if you were using a ball bearing,
> inducing zero eddy currents.(and Lenz braking)
> Cheers Warren
>
> Sent from Yahoo Mail on Android
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
> On Tue, 21 Aug 2018 at 11:31 PM, machinationus [email protected]
> [EVGRAY]
> <[email protected]> wrote:
>
>
> If you are using Diamonds then use lots of coolant (water) Diamond's are
> not "forever"
> They need to be flooded with coolant and run low lower speeds. Then it
> works good.
>
> CBN works the best for cutting steel or HighSpeedSteel..
> Stainless also doe's have a lot of Iron..
> On Saturday, August 18, 2018, 4:45:46 a.m. MDT, Warren Keillor
> [email protected] [EVGRAY] <[email protected]> wrote:
>
>
>
>
> Doug
> Ow, what a difficult task, even so.
> I think a trip to the local friendly water jet guy is in order. Stainless
> steel cuts beautifully within a few thou.
> I like to be able to do everthing at home, but stainless complex shapes
> are hard on the machinery that I have. Stainless works well with magnets,
> being invisible to them, and plenty rigid.
> Your off the shelf fiberglas discs are sure rigid and non magnetic, but
> man, what a skill you have with a chisel..
> Perhaps cast custom fiberglas discs complete with holes?....
> Cheers Warren
>
> Sent from Yahoo Mail on Android
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
> On Sat, 18 Aug 2018 at 12:32 AM, [email protected] [EVGRAY]
> <[email protected]> wrote:
>
>
> Hi Warren
> I tried them and the carbide metal cutting discs would eat them up. I
> would of needed 16 of them to eventually drill 16 holes...hammer and chisel
> then epoxy worked well but doubling number of magnets and pinching them
> into rotor best way to go. Very strong and simple and super flat
> Kone
>
> 
>