Re: I expected to do an easy task...
Posted: June 18th, 2020, 9:43 am
great job Michael
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Hard to explain... It can be fixed but.... it is twisted somewhere at the beginning of 4th coil turn, counting from outside....wwwEvgeny wrote:this happened with me today... now I know how it could happened, one of the cases at least. I spent half a day, I used straight tweezers... still looks ugly. Dear Mr. [mention]Yoda[/mention] any recommendations? I think i need to buy two banded 90degry tweezers and made one profile half round to reduce evenly diameter as my spring enlarged a bit in diameter. Or if I need to buy new for cortebert 624, How should I search it? eBay do not have if i just input cortebert 624. Sorry for troubling you
Yoda wrote: ↑June 18th, 2020, 10:23 amI use a set of Dumont tweezers, number 1, 2, 3, 4 and 5.wwwEvgeny wrote: ↑June 18th, 2020, 9:27 am this happened with me today... now I know how it could happened, one of the cases at least. I spent half a day, I used straight tweezers... still looks ugly. Dear Mr. @Yoda any recommendations? I think i need to buy two banded 90degry tweezers and made one profile half round to reduce evenly diameter as my spring enlarged a bit in diameter. Or if I need to buy new for cortebert 624, How should I search it? eBay do not have if i just input cortebert 624. Sorry for troubling you
Also a soft cell foam pad, that way I can turn the hairspring upside down and press down coil by coil. I do have a tweezers with curved tips to make the turns round again, but it works well with the straight tweezers and a fine steel pin for creating the curves.
My personal experience is that the problem usually is 90 degrees earlier than where you see the bends.
If you grip a coil and bend in or out, then you can lower or raise the coil.
Needless to say that it's a matter of a lot of practice.
Sourcing hairsprings can be really hard, I don't know where to look right now.
There may be sellers who stock Cortebert and Hamilton parts, my best advice is to Google.