Transformer insulateing tape?
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From: Proteus IIV on 20 Jun 2010 10:43 On Jun 20, 2:48 am, Archimedes' Lever <OneBigLe...(a)InfiniteSeries.Org> wrote: > On Sun, 20 Jun 2010 06:16:40 +0000 (UTC), Cydrome Leader > > <prese...(a)MUNGEpanix.com> wrote: > >Archimedes' Lever <OneBigLe...(a)infiniteseries.org> wrote: > >> On Sat, 19 Jun 2010 20:01:03 -0400, Jamie > >> <jamie_ka1lpa_not_valid_after_ka1l...(a)charter.net> wrote: > > >>>Years ago for non critical apps, we used wax paper for layer > >>>insulation for winding multilayers.. > > >> It was referred to as 'fish paper'. > > >You would wind bobbin-less transformers on old newspapers if you wanted > >to. > > No, I would not. > > > > >The trick is to wind many coils at once next to each other, stop the > >winder and insert a sheet of [anything] and wind the next layer and > >repeat. > > Had you read the thread, you would have found that it was already > covered. And the trick is not to "wind many coils". The trick is NOT to > wind too many coils such that the mag wire insulation resistance gets > compromised by the last turn being to near a lower voltage turn, such as > the first or one of the early turns. > > Also, he is winding ONE unit, not doing a production run, and with small > transformers, especially HV jobs, one at a time is only slightly slower > but yield a far higher prime pass yield. > > > > >When done with all of that, you saw or cut the individual windings apart.. > > If you wind on a gang, you place several individual bobbins on the > winder, and when you are done, they all come apart just fine. No cutting > and certainly no sawing. > > >Trying to make one coil that way would be almost impossible as the > >windings would slide off the edges and the insulating material would > >collapse at the edges as well. > > It is a bobbin. It has bobbin faces, and if you do not know what a > bobbin face is, you should not be expounding on transformer winding. BOBBIN IS WHAT YOU WERE DOING LAST NIGHT YOU SICK TROLL DON'T WORRY ONE OF THESE DAYS YOUR LITTLE CABLE CONNECTION WILL BE GONE AND SO WILL YOU I AM PROTEUS
From: Jan Panteltje on 20 Jun 2010 10:57 On a sunny day (Sun, 20 Jun 2010 07:43:29 -0700 (PDT)) it happened Proteus IIV <proteusiiv(a)gmail.com> wrote in <8316ba75-68e0-4f76-96fd-04cbc92ddbb8(a)u26g2000yqu.googlegroups.com>: >I AM PROTEUS An other Apple user flips out. FYI Steve Jobs wil die one day.
From: Hammy on 20 Jun 2010 11:19 On Sun, 20 Jun 2010 14:57:32 GMT, Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote: >On a sunny day (Sun, 20 Jun 2010 07:43:29 -0700 (PDT)) it happened Proteus IIV ><proteusiiv(a)gmail.com> wrote in ><8316ba75-68e0-4f76-96fd-04cbc92ddbb8(a)u26g2000yqu.googlegroups.com>: > >>I AM PROTEUS > >An other Apple user flips out. > >FYI Steve Jobs wil die one day. Yep there is a reason I KF anything from google groups to much spam and nutjobs. I rarely see any spam or wackos unless someone quotes them. There are some decent posters from google but far and away the junk is ridicoulous. I dont know how anyone can even keep track of anything in GG it gets spam bombed several times a day. Their is already enough borderline wackos here I can live without a further contribution from Google.
From: jetodd on 20 Jun 2010 11:28 In article <mrsp16186ug87255qercqsp34jm20hr0a0(a)4ax.com>, spam(a)spam.com says... > > What kind of tape can you use for insulation between primary to > secondary of flyback transformer. I know mass produced professional > designs use a 3M specialty tape. What I'm looking for is a tape I > could pick up at Staples or some office supply store or hardware > store. > > The vinyl electrical tape I can find is only rated for 600V and 80C > MAX TEMP. > > Is there a commonly available tape that is good for higher temp and > offers higher insulation? I've read of people using a mylar tape is > there a brand name ,type anyone could recommend? > > This is for a 90 - 140Vac input flyback. > We used to use "friction" tape for that kind of thing, haven't seen any for a while. Anyone have electrical data for "hockey" tape? --- news://freenews.netfront.net/ - complaints: news(a)netfront.net ---
From: Bill Sloman on 20 Jun 2010 11:43
On Jun 20, 5:25 pm, Fred Abse <excretatau...(a)invalid.invalid> wrote: > On Sat, 19 Jun 2010 20:08:16 -0700,Bill Slomanwrote: > > The electronics industry is infested with dimensions expressed in > > bizarre fractions of an inch > > Commonly: > 0.1 > 0.05 > 0.001 > > This must be a usage of the word "bizarre" with which I am as yet > unfamiliar. As an occasional woodworker, I understand half inch and quarter inch thicknesses, and I've used veneer that was just one sixty-fourth of an inch thick. Decimal divisions of the inch strike me as odd - if you want to use decimal arithmetic, metric units make a lot more sense. -- Bill Sloman, Nijmegen |