Toolmaking, Tools Restoration, Bespoke Tools and 3D Printing Tools
Making your own tools? This section covers traditional toolmaking and restoration, manufacturing bespoke tools to solve watchmaking issues and using modern technologies such as 3D printing to create new tools.
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By Neverenoughwatches · Posted
Thats an AS 984 mike. Found in the Enicar and Rotary ATPs -
I'm going for an AS movement - the general layout, screw/jewel positions are similar. -
I haven't yet but I will take it out tonight! Thank you. Will post pics of dial side tonight too. -
Did you have a look under the ballance? Often the movement maker/number is hidden there. -
I wonder if 9415 is based on a base oil of 941? it's interesting what questions bring and the tech sheet answers it's the viscosity of the base oil. Then the impact? There is something we're missing here for that which would have a big influence on all of the house image above is 9514 image below is 941.then always interesting when specifications do not exactly agree? They ledge above for 941 indicates 110 viscosity but the image off the spec sheet is slightly less but I guess close enough my understanding of the concern of too much 9415 is as we know the loss of amplitude. But why do we have a loss of amplitude? So impact it's basically oil should be very slippery. But what about non-impact? Like the edges of the escape wheel? Another thing that comes to play here is the shape of the escape wheel itself. Notice on the last a more vintage escape wheel with just a flat surface whereas the modern escape wheels usually made out of steel versus grass much much thinner their contact areas greatly been reduced and sometimes I think there even slightly curved. So is it conceivable at everything that isn't a flat surface on impact is going to be sticky? So this is where the shape of the escape wheel will have a big impact literally on how slippery things are. Oh and for all of you obsessed with worrying about too much 9415 I never worry about it because typically I'm doing pocket watches and it doesn't seem to be an issue at all. on the other hand I'm much more concerned about a watch that keeps time for 24 hours as opposed to the concern of the group of keeping amplitude for 24 hours. Then yes some pocket watches have steel escape wheels and do look like the escape wheel on the right.
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