How a mechanical watch works, basic theory of Horology Part 1of2
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- Опубліковано 6 жов 2024
- Learn more about escapements. Swiss Lever, cylinder escapement, English lever
Kalle Slaap Watchmaker near Amsterdam in the Netherlands
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As a beginner I have been watching many videos... This is, by far, the best explanation I have seen on a watch movement. I like the way you used the toys to build a logic and explain how things come together. Thank you for sharing your knowledge. You are an awesome teacher!!
Brilliant!! I'm just beginning my long journey into watchmaking. I've had two long periods in my life learning different crafts, and I find your world so absorbing. Thank you so much for all of your videos, and we can see how much you love your job.
Had I seen this video when I was in high school (Primary School, whatever you call it) I would have known what I wanted to do with my life. And I would've wanted to come and learn or apprentice under you. Fantastic job of explaining in a way that can be conceptualized.
This is really interesting. I have always wondered how the escapement works and this is the best explanation of it that I have yet encountered.
Thnx for your support Kevin.
That's a good explanation sir, I really understood how escapement works and why is the amplitude important just makes sense now. Balance wheel will swing in the same time regardless of the angle, but will be more resistant to outside distruptances due to more stored energy.
You can see the real passion and love the way he is teaching. It's absolutely amazing.
I agree totally. I'm in the process of getting tools together to strip and clean a Waltham pocket watch.
@@trevorjenkins3934May the force be with you!
Without questions the best explanation of how a watch works that I’ve heard yet. So simple and straightforward. Thanks.
Great video, so very interesting. I have my great uncle's Bulova watch. He told me he received it for Christmas 1945. He was a wonderful fellow, born 1894, passed 4 months after his 100 birthday in 1994. I received the watch then. Its been basically my daily for the last 28 years. It's never required a repair, I have it serviced every 5 years. It keeps very good time gaining about 2 minutes a week. Its still in beautiful condition, 14 k gold filled, and still has the original metallic mesh band. BULOVA, can be proud of this 77 year old workhorse !
I've ben looking for about 4 days on how a mechanical watch actually works. I have always loved looking at wristwatches but I decided I might try and take a working one apart and put it back together by myself. But Ididn't understand how it actually worked then I found your video and WOW! Now I understand. I'm so happy thank you my friend you are just the best tutor and I mean that from my heart. I'm so grateful to you Klass. 👍👍.
This is the very best site in the world-just beautiful
At first I was not impressed when the toys appeared. But after watching the whole presentation; GREAT JOB! One of the best, if not the best.
I commend you for explaining in layman's terms. I never knew until today how a watch makes this movement! And I wasn't born yesterday.
Hey! I'm a new subscriber, and I just wanted to say that your videos have been incredibly helpful in my journey into horology and the art of watchmaking. I've always been a bit of a wristwatch enthusiast, even as a kid, but it wasn’t until recently that I really started to explore how watch movements work. With some background in mechanics, I was pleasantly surprised at how understandable movements are once you dive into them.
I'm a relatively young adult with a long history of DIY projects-everything from fixing and modding Game Boys to painting, drawing, and tweaking things to make them work the way I want. Recently, though, I've found myself juggling too many hobbies, as we say in Norwegian, "too many balls in the air." So, I decided to focus on just one outside of work. After some reflection, I realized the answer was right in front of me all along: I have a knack for mechanical insight, a curiosity about how things work, a passion for modifying, and a strong interest in clockwork movements. Watchmaking was the natural choice.
Very well explained. Thanks for sharing .
I've always been interested in watches and their movements.
Instead, I became a tool & die maker.
Now I'm almost 62, I found your channel.
A lovely presentation: history, science, culture, art -all in one. What a wonderful job you have done with this, Sir. I learned so much and enjoyed greatly.
It is mind boggling. Brilliant. Just started watching you and some other watch repair channels. Love it. As a newly Retired mechanical engineer, I think this may be a perfect hobby/career for many years to come. Thank you.
That is an interesting rate, 5 Hz . Quartz crystal oscillators are used as they work at 32,768 Hz because it equals exactly 2^15 and a 15 stage binary counter will divide to exactly one second.
The fact that little spring will return almost a million swings is just about unbelievable or that the machine and build quality of these things are so precise and possess such low levels of friction that the momentum is conserved for that long is just mind blowing.
There is a YT channel called MIT OCW (open courseware) and one of the playlists is 3 physics courses, twenty-something lectures each consisting of classic Newtonian, electromagnetism, and wave functions all given by Professor Walter Lewin, a proud and prominent Dutchman. Anyways that's where I learned about conservation principles, oscillating systems, Huygens' contributions (as well as how to correctly pronounce his name!) and so, so much more. His lectures have an emphasis on demonstration and they are absolutely amazing, all kinds of supplemental material, highly recommended.
Keep doing videos like this. I love how you break everything down to the simplest detail.
Awesome video. Excellent explanation of how a movement works. It is incredible that the basic design has not changed in 200 years. As a kid I took everything apart to see how it worked. My brain is not happy until I understand the mechanics. You helped me here. Thank you so much.
Thank you so much for your support Eric!
The explanation of amplitude and how it is adjusted is the first time I've understood it completely. I like the journeyman approach to this. Thanks for the clarity!
I've watched a few videos on how a watch work's & still get lost I'm hopeless 🥺
@@juniorjohnson5961 If interested you will get there. There is a lot of information packed into a small time frame without providing a full physics lecture behind each piece. If you can understand the pendulum period(=time to go through one one complete cycle) is the same unless you change the length of the string or the mass at the end, and does so despite how far of a distance it has to travel in its cycle, then you are doing good.
He then translates the weight on string being acted on by gravity with a weight on wire (=hairspring/balance spring) being acted on by its springy force. Just as a spring attached from above to a solid surface can bounce up/down like is used on car shocks or can be bounced side to side, it could also be rotated around its center. Springs will oscillate with less and less energy per cycle until they reach a state where they aren't moving.
Wasn't brought up in this video, but the mainspring where the wound energy is stored will through gears apply force to spin the escapement (=gear with strange teeth to interact with the pallet fork) and every oscillation of the balance spring will bump the pallet fork allowing a very small rotation of the escapement and the mainspring energy will push the escapement through that available range of motion. The escapement will hit the pallet fork on the other side as it does so and the escapement becomes stuck. The energy transferred into the pallet fork is transferred back into the balance spring. The pallet fork is now stuck waiting until the oscillation of the balance spring pushes into it the other way restarting that cycle.
The watch keeps time as energy goes from a higher wound state to a lower wound state because it doesn't matter how hard the pallet fork hits the balance spring based on energy from the mainspring because the balance spring still takes just as long to run its rotations back and forth (though it will rotate a shorter distance with less energy).
@@mirror1766 Thank you for taking the time to explain this 🙏
Thanks for making the complex seem simple.
great job, breaking down the mechanics of a watch, clock, time
I found this video because I'm learning electronics and computer processors and ended up a tangent about the clock cycles of a crystal oscillator that it uses 🤣 I love your explanation of stored power and consistent release using the car and teeth. As a child I would always take mechanical toys, watches and cars apart to try to understand how they worked. My grandad gave me his old watches when I was a child in the early 80s and I would open them (and usually break them) simply out of the curiosity of how they worked - but this was a great way for me, as a child of around 8, to learn - and still is!!
Your very funny and entertaining, and you really do Your best to explain in a easy to understand way. Thank you.
Thank you for taking the time to make this video - it helped me understand some of the basics about springs and watch movements. I feel smarter now!
Thank you for the explanation. As much as it linear and rotational physics have their relationship, its always taken effort to get them through my head properly. With my understanding of the mechanical motions of a watch, this video's explanation got me to think enough to see how the balance spring regulates time despite the amount of energy put into it from the mainspring's remaining wind.
Very informative. I like how you described how magnetism makes the watch go faster. I didn't know the mechanism for that.
Great explanation. I use a Gauss meter app on my phone and my house is always in the red for some reason, and a demagnetiser always gets the watches running better.
This makes me want to open up my mechanical watch and see for myself! Thank you! 🙏😁❤️
Thanks so much for your engaging and accessible explanation!
Dank voor je heldere uitleg en al je educatieve filmpjes! Mijn opa was klokkenmaker/horlogemaker/juwelier, helaas heb ik hem nooit in actieve dienst meegemaakt en heb dus weinig meegekregen van de techniek en dergelijke, behalve dat het huis vol hing met klokken. 2x per jaar een hele ochtend bezig met alles opnieuw afstellen hahaha. Alhoewel ik mooie horloges altijd gewaardeerd heb, heb ik sinds enige tijd wat meer interesse in horloges, de mooiste stukken zijn nou eenmaal lastig te bekostigen. Maar zeker nu al die smartwatches zo in zwang zijn is het mooi om kennis te hebben van deze eeuwenoude technieken. Wellicht leer ik zoveel van deze video’s dat ik de Friese stoeltjesklok nog kan maken!
Very educational and we appreciate you sharing this knowledge with us,, thank you :)
The Longitude Problem has made me appreciate more about watches and clockwork!
I'm a teacher in an mechanical engineering university and as a semester project I'll be using a mechanical watch to give some more variation on projects that only focus on automotive parts. This semester I'll ask them to plan an controlling device for one or more components. I thought on using the design of the main plate and get them to control the parelelism and real position of all axles on the gears.
Thank you for showing! I am still wondering how the balance wheel is kept moving, or how the escapement gives the balance wheel a push each time and when exactly.
Awesome work thanks for such clear explanation. English is my first language and I don't think I have the vocabulary or understanding you do so much appreciated please keep the videos coming
Amazing video quality and explanation!! I still don't understand how this precision manufacturing of these small escapement components were done in the 18th Century ???
Thank you for this free educational content.
Great explanation, thank you so much.
Thanks for your explanation. It was precise and enlightening. I learnt so much. I can't wait to see all your videos. I have a few watches at home that have ceased working and now I have some inkling why,thanks to your explanation.
You are great at explaining; Thank you for your valuable lessons!
I can't believe how much I have learned in just one video - thank you and congratulations on a job well done :)
Thx for this video! I‘m not a watchmaker but i try to learn all what i can ! I‘m a collector of vintage Ruhla Watches and this is the way to help me by my self! Thank u so much
So nice to hear, save the Ruhla's! ;o)
@@ChronoglideWatchmaking take a look on my Insta Profile ruhla_fan . There u will find a lot of old ruhla watches
Cool, I Will!
@@ChronoglideWatchmaking if you on insta pls let me know.
@@ChronoglideWatchmaking i found you , you got my follow
Superb content sir
I just had this idea of a mechanical watch with a digital heart that can connect to the internet and get atomic time. then adjust the hairspring etc in the mechanical part so it is always perfect.
Excellent video explained it so well that I now have it straight in my head. Keep them coming. Looking forward to more tutorials and sharing your knowledge.
Thank you.
Best explanation I’ve seen! Love the enthusiasm for the topic!
This deserves a million watch .. double please make a Video about timekeeping mechanism and escarpment theory please take about the grasshopper escarpment and other versions of escarpment. It seems to me you have a deep understanding of what you are doing.
A million..... that would be very nice, but for now i'm very happy that you are watching, LOL
You wonderful human. This is the exact video I needed. Instant subscription.
I just started watching, and great analogy with winding teeth and release of energy in time.
Nice to hear from you!
The balance wheel is analogous to but different than the physics of a simple pendulum. It is called a torsional pendulum and it's a harmonic oscillator which depends on both the moment of inertia of the balance wheel and the stiffness of the spring. So the moment of inertia is actually a tensor but to simplify it depends on the mass and radius of the wheel.
I'm adding this because I want it to be clear the period has nothing to do with the length of the pendulum in the watch's case. Length is for a simple pendulum, where amplitude and mass don't matter, only length.
Edit: also for simple pendulums, gravity does matter, so pendulum clocks will need adjustments on other planets and won't work in space. But torsional pendulums do not! They will have the same period on other planets and work in space!
thank you for this video, after have seen many in 4 days, i finally found yours that is perfectly clear!!
The best explanation I have seen by far 👍
Perfect content!
Dank je wel Kalle - best info on regulating & hairsprings/pendulum.
there are a few animations, which show everything in 3-5 min.
Excellent explanation and visuals.
I love the way you teach very simple to understand
Nice to hear, thank you!
Mooie en duidelijke uitleg, bedankt. Eigenlijk nooit zo bij stil gestaan dat een hairspring in feite een pendulum is.
Leuk om van je te horen Joop!
In your excellent escapement model with the tunable pallet adjustments, might you show us how and why the pallet height/offset adjustment is determined?
Fantastisch uitgelegd, helder en rustig, niet te veel info ineens. Prachtig hoe men ooit een oplossing heeft gevonden om het tempo van een mechanisch uurwerk te reguleren! Gr Pim
Dankjewel Pim!
Where is he from I love how he tell you the difference words for parts in different languages
Thanks. I'm getting the idea of how it all works. The Balance Spring controls the rate at which the Main Spring unwinds. I hope I got that right!
You did Joseph!
Best explanation ever! 1 question thoug: what keeps the balance wheel going (i mean, how is the spring-power transfered from the escapement wheel?)
Its almost like how a fountain pen works by controlling the “leak” as it were. Very interesting.
I'm an amateur astronomer, and of course, familiar with the work of Christian Huygens. Besides his astrronomical achievements, I was not aware that he came up with the ideas that led to the escapement.
That was actually... really interesting.
Eine sehr schöner Erklärung der Ankerhemmung und die Unruhe ersetzt das Pendel, sehr gut erklärt. Das ganze bildet dann einen Oszillator des Frequenz man berechnen kann, sehr gut erklärt, danke.
Thank you for these lessons!
Wonderfully clear explanation! Thank you.
The guy that designed the mechanics of watches is genius.
So many tiny improvements over the centuries, we are standing on shoulders of giants. I fully agree!
Wonderful video and explanation. It’s especially good for those of us who novices but fanatics. Thanks!
Just wow. Now I get it! Thank you 🙏
So generous David, thank you so much!
Very cool, my friend.
Very educative video. Excellenty presented. Three cheers for you Sir.
Nice to hear!
I have checked many videos here on youtube, some were very advanced in visualisation but you are by far explaining it the best.
Sorry my bad, but I still couldn't get it.
I understood very well the power coming from main spring till the escape wheel.
But where does the power of the balance wheel comes from? I don't understand that particular part. If a back-and-forth running spring is enough to self power the balance wheel till eternity (I know it can't be the case but just for the sake of explaining where I am stuck), then why we still need the power of the main spring?
Thanks a lot!
Thank you for your support Taylan!
I read your question, it is a long answer, maybe i'll show it again during a live stream for you.
@@ChronoglideWatchmaking wow, thanks a lot! In that case, I will be the first to come to the class! :)
Love the video. But it’s difficult to wrap my head around the fact that time between each push of balance wheel is constant. Can someone explain me how the push is always same?
General rule, background music should never overshadow the dialogue!
Great job explaining how a mechanical watch works! Thank you!
The only thing missing is the actual key part: how does the main spring drive the balance spring?
excellent vid...and demo of the mysteries of the watch....is the main spring housed under the pallet fork ?
The background music has a purpose: it fills in the gaps of silence: no pregnant pauses.
It makes for a smoother flowing video.
Applying to Rolex next year. Wish me luck.
6:00
Help me to understand from where is the power to make the first tic.
The clock is run out (the spring is unwinded). The clock is stop.
Fork is not moving, balance wheel is not spinning (balancing). The jewel is blocking the escape wheel by the last beat of the system.
We start winding the clock and the power from main spring starts to rotate the wheels one by one until the escape wheel is powered.
This is the magic moment.
HOW THE ESCAPE WHEEL MOVES THE FORK FOR THE FIRST TIC TO PASS THE ENERGY INTO THE HAIR SPRING IN THE BALANCE WHEEL WHEN THE JEWEL IS BLOCKING THE SYSTEM ?
I'm new so I Didn't understood much but it really is mind boggling
Hi I need student in this domain for a concept watch called Romi
perhaps you could provide some further insight into the horologist's fuel. the presentation of the fuel is superb, though you provide a mere glimpse. is it turkish coffee?
Fantastic explanation! Thanks for your time!
thank you so much for your support!
I have a question: If the rate of the ticks depends only on the length of the spring/pendulum and not at all on the amplitude, then how does a Timegrapher know what the amplitude is when it listens to the ticks and the tocks? I understand how it can know the rate of the ticks, and how consistent they are, but it doesn't make any sense how it can possibly know the amplitude.
Greetings of the day, Sir
My self Harvinder Gill from India Mumbai. I am really passionate about watch. and I want to learn watch repairing course as a mentor. Can you please guide me from where I can do watch repairing detail course.
Great explanation! Thank you!
I absolutely love this channel! Thank you!
Your support means a lot to me, thank you!
I still have one doubt. How can that little tick-tack piece impulse the wheel attached to the spring, and how can this wheel in turn change the position of the tick-tack piece.
Great examples. Thanks!!!
so the balance wheel "pendulum" must be cut to the perfect length to be accurate? there must some fine adjustment beyond that?
How is the motion started during the first action of winding and the impulse pin at rest? I picture the escape wheel tooth is held by the fork jewel and winding will not cause the jewel release and need the impulse pin to strike the opposing horn. I am asking this because a pocket watch that I am practicing on won't start without me nudging the balance wheel. One situation I think that would start the watch is that when all energy is expended, the watch stops with the impulse jewel knocking the last blow to the horn placing the entry jewel down ready for a nudge from the escape wheel. I know I'm missing something obvious here.
Very nice job!
Hello master watchmaker
Please teach how to replace a broken pallet fork pivot.
especially very thin or short pivots such as Omega 565 or Omega 1010 or shorter, thinner and more delicate.
Thank you for all the very professional and excellent videos have a stacking set, but my smallest rivet hole for the pivot fork palette is too wide. So I have to replace the pallet fork axis with a very tight pin vise. Please make a video for this article
Such a great explanation. Thanks for your dedication and work!
Hey why did they choose +6, -4 for COSC? Does any of this choice relate to what you said above? Those numbers seem so arbitrary. Is because there are more ways for a watch to beat faster than slower? And why THOSE #s?
Hey why did they choose +6, -4 for COSC? Does any of this choice relate to what you said above? Those numbers seem so arbitrary.