Watchmaking: Machining a 0.6 mm Screw
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- Опубликовано: 14 янв 2023
- In this video, Mike machines a 0.6 mm watch screw on a watchmaker's lathe.
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Credits:
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Machining, Filming, Editing and Narration: Mike Godfrey
I was a pipe welder. The largest pipe I ever welded on was twelve feet in diameter. Watching this was fascinating. What a contrast.
The way this is done nowadays is with Swiss turn machines. They hammer these in 5 seconds. Make thousands of them. You can let the machines run while you go home for the night don't need anybody to watch them once they're going.
Some 25years ago I worked for a guy who was an engineer who worked at a company in the US that thought they made the world smallest screw. They sent it to a company in Switzerland and the Swiss company sent it back with a smaller screw drilled and tapped into the end of it.
My dad was a watchmaker, and seeing him handle these tiny parts was a wonder. He didn't have the equipment you show, but a small hand lathe and a set of turns, so actual screws may have been off the menu, but he could re-fit and re-make arbres and pivots with the deftest of touches. Thanks for this reminder of a loved parent and his art.
Taking a single heavy cut like he did at the start is a really simple way of producing smaller diameters on lathes, as the majority of the tool force is applied axially instead or radially, which almost eliminates the deflection of the part. Joe Piezinski did a great video on this. Probably common knowledge for people working at this scale, but it was new to me.
Im a gunsmith and pretty fair machinist and was pretty darned impressed. Good on ya!
Why buy a single pasteurized milk bottle if you can have the whole cow.
On the one hand this is a perfectly rational thing to do, and on the other it very much makes my brain itch.
I'm a retired Machinist and watching this I have such a great respect for those that tackle things this small. Incredible. Above Excellence. My hat's off to you sir.
I'm no machinist, just someone who enjoys watching machining videos, so when it started with the raw stock I was like "that doesn't look like such a bad scale to work at, a little small but not terrible", then you turned down the diameter and I just went "OH, I see..."
I'm an engineer working in new product development. I often get crazy looks from the machine shop guys when I ask if they can make this or that for me. But I haven't yet asked them to make a 0.6 mm diameter screw. I should do that and see what reaction I get.
I've been doing stuff like this for 39 years.
38 year industrial machinist here. Very impressive. Super small parts are always tricky. Like you said you get it right then lose it in the chip pan. Good idea on keeping the thread die square in the collet. I will remember that trick.
Nice to see someone doing this on a craftsman level with hand ground turning tools. I’m a CNC Swiss Screw machine programmer/machinist. We go down to a
I have three tap and die sets for those screws and nuts. They are used in instrument repair as well.
It's one of my side hobbies in life to know how everything is made. I was happy to come across this video. Now I know how small screws are made. Very satisfying to watch
As a Carpenter I look at my rule and my tape measure repeatedly during a work day. Point 6 of a millimetre is incredibly small. Just stop for a minute and find yourself a ruler or a tape measure. Point 6 or just over half of the distance between those two lines. It is absolutely amazing and stark raving crazy that we can repeatedly produce things of that size and smaller.
Ive never seen such a small die, one wonders how they make them. Always wondered how very small screws are made, now I know thank you
Therapeutic to watch, but oh my, how different it must feel making such small screws. Thank you for sharing. Very interesting and enjoyable. 👏👏👍😀 Andrew
I've been a machinist for 25 years mostly producing massive aluminium parts for passenger planes. Seeing tiny parts like this being machined still fills me with awe