Pivot repair

term789

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Oct 19, 2016
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Could anyone replace this pivot for me?
It's out of a french crystal regulator.
It is a small pivot and don't want to risk doing it for the first time on my lathe.
The pivot is .56mm / .022 inches in diameter.
P1060915.JPG P1060908.JPG
 

Jerry Kieffer

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May 31, 2005
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Could anyone replace this pivot for me?
It's out of a french crystal regulator.
It is a small pivot and don't want to risk doing it for the first time on my lathe.
The pivot is .56mm / .022 inches in diameter.
View attachment 410904 View attachment 410905

If you have the desire to do it yourself, there is little to lose and everything to gain with capable equipment and sound procedure.

Is the pinion hard and what type of Lathe do you have ?

Jerry Kieffer
 

David 62

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Nov 28, 2004
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I was able to re-pivot a arbor after asking questions here.If you have a lathe,order what you need and practice before you work on the piece that you posted.
 

lpbp

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[QUOTE="

Is the pinion hard

Jerry Kieffer[/QUOTE]
If it's French, it's hard.
 

P.Hageman

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Jul 20, 2014
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Just as Jerry already said, its not that difficult if you have a small lathe and a torch. But I can imagine, first time I replaced a pinion on a french clock I was afraid too :D
 

shimmystep

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Mar 5, 2012
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If you do anneal the pinion, to re-pivot, you'll need to ensure it's hardened and tempered again.
 

R&A

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Oct 21, 2008
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I can do this Send me a message
 

shutterbug

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The pivot drills (blade type, sold by most suppliers) will drill through hard steel pretty easily. No urgent need to anneal first, as long as you can file the end flat to start with.
 

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Rockford's early high grade movements by Greg Frauenhoff