012 Making a drill for re-pivotting clock arbors

This video shows you how to make your own pivot drills!

[@markclelland3510]

Great tutorial. Thank you for sharing.

[@davel831]

Brilliant !!!!! Thank you really good and informative

[@pabloschomber924]

Excelente video, gracias por compartir. Desde Argentina saludos.

[@christastic100]

Really well explained and very helpful.

[@Donnybrook10]

excellent old-school techniques. Appreciated

[@s.spencertenagodus8051]

Excellent example of useful craftsmanship and a creative way to solve this problem without the difficulties of finding the right drill from a trader. Thank you.

[@howtorepairpendulumclocks]

Thank you

[@s.spencertenagodus8051]

@@howtorepairpendulumclocks❤️

[@peterbern7369]

Really excellent video - very instructive. Thanks very much for sharing your knowledge.

[@howtorepairpendulumclocks]

Thank you.

[@brianwarburton4482]

Thanks for this video. Your explanations are very clear and informative.

[@howtorepairpendulumclocks]

Thank you. let us know what you want to see next...

[@brianwarburton4482]

@@howtorepairpendulumclocks Anything involving the repair, restoration and making of clocks. Books can only provide so much information. Videos such as yours provide the equivalent of hands on instruction.

[@howtorepairpendulumclocks]

Sorry for the random glitch/text place-holder... :=)

[@TangoTapper]

Really useful video. I made a spade drill - and it worked!! I would love to see a video on softening the arbor prior to drilling, especially the the end with the wheel attached.

[@howtorepairpendulumclocks]

Thank you for your kind comments. There may be something over on our LIVESTREAM KZbin channels. Noted. Yours Matthew kzbin.info/www/bejne/gmO4npSsqr9rbNU

[@grahamharkness5744]

amazing.

[@treetopspider]

This was so informative. I cant wait to try this out. Thank you

[@howtorepairpendulumclocks]

Thanks for the positive comments.

[@howtorepairpendulumclocks]

Have you checked out or Open Clock Club channel?

[@treetopspider]

@@howtorepairpendulumclocks No but I'm going straight there now

[@munnerlyn3]

Great video Matt. I have used drill bits that are the diameter of the pivot and then cut the end of the drill bit off to use as the pivot. But I dont repair pivots too often.

[@howtorepairpendulumclocks]

Thanks Mark

[@1marcelfilms]

Would be a fun experiment to add bearings to a clock

[@howtorepairpendulumclocks]

Yes. Quite a few people have done it with varying levels of success. As a broad observation, the slower-moving, more heavily loaded bearings respond better to caged or roller bearings.

[@sfranklin9073]

In the field of heating and ac there is a gas orifice bit drill set that can be purchased for around 300.00 and the bits are so small you need a good eye loop to see them. Just a thought , but not to take away from the craftsmanship involved, excellent job. By the way, the bit set is made by Anderson and Forrester.

[@howtorepairpendulumclocks]

I’ll look into that. Thanks.

[@jeffreyyoung4104]

Excellent tutorial! I have wondered how such drills have been made, and mine have always been much cruder than that, tho they worked to a course job. I look forward to trying your design!

[@howtorepairpendulumclocks]

thanks Jeffrey. Good luck making your drills! M

[@adiletk.3811]

@@howtorepairpendulumclocks excuse me can you help me with tolerances and accuracy i want to desig watch?

[@howtorepairpendulumclocks]

@@adiletk.3811 Yes! A great idea. Id the the very best way to begin is to buy the book 'Watchmaking' by George Daniels. It tells you everything you need to know. www.abebooks.co.uk/book-search/title/watchmaking/author/george-daniels/

[@ChevyBM]

Nice, I made a few same kind of drills a few weeks ago in my local watchmaking school :)

[@howtorepairpendulumclocks]

Great! Good luck with the watchmaking.

[@ChevyBM]

@@howtorepairpendulumclocks Thank you :) it is going to be an interesting journey!

[@adiletk.3811]

Your voice look like Roger Smiths voice))

[@claudiodelrey]

muito boa explanação, parabéns pelo excelente trabalho🌱🌎⌚

[@howtorepairpendulumclocks]

Gracias por tu amable comentario. Apreciado. Mateo

[@superguitarras111]

maravilloso

[@howtorepairpendulumclocks]

Thank you

[@barbarae9773]

I have 12 clock drills from an estate sale purchase. I won’t use them. They are labeled PM - T47. I’d be happy to send then to someone who can use them. Let me know. Thanks,

[@tonybeveridge4299]

Thank you Matthew. Is the new pivot a pinch fit or should it be soldered in? Presumably you need a lathe to drill the hole, if not to make the drill

[@howtorepairpendulumclocks]

Hi Tiny. Yes a lathe or turns needed to drill the hole. The pivot 'should' be a good enough fit to tap in. I think the old school used to put a bit of oilstone dust on the pivot to give it some bite. Solder should not be needed but maybe stud lock for security if the pivot is a very close fit. If the pivot is loose; start again. M

[@myr415]

Très intéressant. Pour chauffer la pièce, ne serait il pas plus pratique d'utiliser le chauffage à induction ?

[@howtorepairpendulumclocks]

Je n'ai jamais essayé ça. Pour une utilisation dans le petit atelier, une flamme à gaz est peu coûteuse, flexible et relativement facile à contrôler. Comment fonctionnerait l'induction ? Oui peut-être à l'échelle industrielle de la production ?

[@myr415]

@@howtorepairpendulumclocks On trouve sur Internet de petits systèmes de chauffage à induction qui fonctionnent sous basse tension, en toute sécurité (aucune flamme) et qui pourraient correspondre à votre utilisation, faible masse à chauffer ; ce genre là: kzbin.info/www/bejne/qIKqfH2ta7WKnpo

[@howtorepairpendulumclocks]

@@myr415 A merci. Matthew

[@kblow5800]

That’s blue steel for pivot to make a drill is it , can I use a hss drill shank of 0.8mm for this application , thank Mathew

[@howtorepairpendulumclocks]

You can try but it is by definition really difficult to anneal to turn and then you will need to harden it again. With HSS you would have to grind the whole thing with a tool grinder I suppose. Try annealing a piece an see whether it can be filed or turned. I suspect not but an interesting experiment. Plain carbon steel or 'silver' steel would be ideal. M

[@sreenivasankallikunnath5120]

Penion 8pins

[@BradfordNeedham]

I would love to see you cover the basics of material hardness for clockmakers. I've put together my meager knowledge in a post (needhamia.com/clock-repair-my-meager-knowledge-of-the-hardness-of-metals/), but it's woefully inadequate, especially when it comes to stones. I think you've covered it all in bits and pieces, and a single overview video would be wonderful.

[@howtorepairpendulumclocks]

Hi Bradford. I will certainly continue to discuss these issues and challenges in relation to clockmaking. My 'knowledge' is based on experience though and I would be the first to say I am not a materials scientist. When I started I read a book by J E Gordon, The new science of strong materials. It is a bit old fashioned now but still worth a read. Just read your post. Please continue e journey and continue to share experiences. M