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July 22, 2013 at 6:57 am #48670
If one wanted to experiment with winding one’s own hairsprings, what would be a source for the flat steel wire? While we’re at it, how about mainspring wire as well?
TomJuly 22, 2013 at 10:58 am #53862aruthaParticipant
the tool used for winding the three flat springs into (they were done three at a time to produce the equal coil spacing) is difficult to find, I have yet to see one on e-bay. I would imagine you would just wind steel rod in the correct diameter through some sort of press. I think I am correct in thinking that the springs are blued in the tool. It can be done but would take a fair bit of trial and error to get the correct thickness/dimensions etc as the old blued hairsprings were made from a different steel than that which we have today. I am sure I have seen in one of my books recently how to make the tool. I will have a look through and see if I can find it.
Paul. I typed all that one fingered while holding the babyJuly 22, 2013 at 1:06 pm #53863
TomJuly 23, 2013 at 9:32 am #53864gereneParticipant
If I remember correctly it is described in the “Chicago School of Watchmaking”. I am not at home, so I cannot verify, but I am quite certain I read it there.
Arutha is right about it being not trivial at all.
JanJuly 23, 2013 at 11:27 am #53865
I have that at home so I’ll go back and look. However, what I’m after is a source for the wire – just to experiment with.
TomJuly 23, 2013 at 12:00 pm #53866aruthaParticipant
Could be worth contacting these guys and asking if they have some offcuts you could play with?
Paul.July 23, 2013 at 1:12 pm #53867
Hey – great idea. It never hurts to ask.
TomJuly 25, 2013 at 2:07 am #53868gereneParticipant
Just for your information, there is also a thread about the same subject going on at NAWCC http://mb.nawcc.org/showthread.php?103922-Anybody-have-the-Treatise-on-Modern-Horology-Glasgow. Maybe it has some usefull information for you.
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