Your Walkthroughs and Techniques
Post descriptive walkthroughs of watches you have stripped down and serviced and/or repaired, parts you have made or techniques you wish to share.
This is an interesting section where we post our challenges and how we have over-come them. You can also post walkthroughs and share your techniques.
SECTION RULES
This section is strictly for those posting real step-by-step walkthroughs of actual repair or servicing techniques relating to watch repair and/or horology in general. The idea is that we help each other by describing or sharing our repair techniques, or telling a story of how we have progressed.
If you are not posting step-by-step walkthroughs, such as - you would just like to showcase a completed repair job, then please choose a more appropriate sub-forum for your content. If your post is not deemed to be a legitimate walkthrough then a moderator will move your post to the appropriate section without notice. Thank you for your co-operation.
- You must be a member with at least 10 posts on the forum in order to contribute in this section
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Hi nickelsilver, thanks for the great explanation and the links! I'll take a good look in the article. Especially this is great news to hear! Looking through forums and youtube videos I was informed to 'fist find a case and then fit a movement for it'. But seems that's not the case for pocket watches at least? I guess I should be looking to find some 'male square bench keys' for now. I was thinking of winding the mainspring using a screwdriver directly, but I found a thread that you've replied on, saying that it could damage the spring. -
Murks, The rate and amplitude look OK, and the amplitude should improve once the oils you have used get a chance to move bed-in, also I notice that you are using default 52 degrees for the lift angle, if you get the real lift angle (assuming it's not actually 52) this will change your amplitude - maybe higher, maybe lower. I notice that the beat error is a little high, but not crazy high. At the risk of upsetting the purists, if the balance has an adjustment arm I would go ahead and try and get this <0.3 ms, but if it does not have an adjustable arm then I would probably leave well alone. Just my opinion. -
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Maybe I'm over simplifying this and I'm a little late to the discussion, but just by my looking at oil when I use it on a treated cap jewel the oil stays in one nice bubble, but when I don't it spreads out to the edges of the jewel. I'm not sure (but could well be wrong) but the analogy of a waxed car and rain is accurate in this case, the wax is very hydrophobic and repels the water, however, the process epilame works by is a different physical process based upon cohesion/adhesion (oleophilic) not repulsion (oleophobic) at least as far as I have read/observed. If one were to use a oleophobic substance equivalent to wax (hydrophobic) then one would need to create a donut shape to fence in the oil, however if one used such a strategy with a epilame which is oleophilic then the oil would sit on the ring of the donut and not in the 'donut hole', exactly where you don't want it. Even if the oil is smeared then the oleophilic epilame should pull it back to the center (see diagram below). Reference For interest the chemical in epilame is 2-(PERFLUOROHEXYL) ETHYL METHACRYLATE, CAS NO: 2144-53-8
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