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By rjenkinsgb · Posted
It looks similar to some AS movements, but it's not identical to any I can find. There may be a logo / number under the balance wheel?? -
By rjenkinsgb · Posted
Many would disagree: https://www.rohm.com/products/faq-search/faqId/234 https://uk.farnell.com/c/semiconductors-discretes/transistors/bipolar-transistors/pre-biased-digital-bipolar-transistors https://uk.rs-online.com/web/p/bipolar-transistors/8232832P?gb=s https://uk.rs-online.com/web/p/bipolar-transistors/0580240?gb=s (RS don't have a specific category, but over 1000 "digital transistor" items). -
By Hawaiikook808 · Posted
Thanks, ManSkirtBrew. I started looking for a setup like yours and ran across this. It was about half the price of the JKA Feintaster (depending on what auction you were in), and it's a Bergeon. I bought it because I thought the price was fair (eBay - Buy it now), and I'm a sucker for vintage tools. It also has a table, so it should be easy to use for measuring jewels. I wonder if the the contact points can be changed out. Bergeon seems to manufacture new tables and accessories for the contemporary dial version. What do you guys think of it? I'm sorry this post seems to have taken a detour. I'm new here so let me know if I should start a new topic. -
By nevenbekriev · Posted
This is a flying cutter, usual one. The cutter itself is shown in the pictures in the first message, it is made of broken tungsten carbide drill bit. I asure that all the angles of the cutter are as they should be. I have video - little older one - that I made when onse making the same kind of winding pinion for a Poljot 2200, which is even smaller than this one. It is not easy to see in the video, but the tool rest moves about 1mm towards the object in Y direction and then returns back untill cutter is rotating. Then the spindle is rotated one tooth ahead and everything repeated untill all teeth are cut. -
After a bit further research could it possibly be an AS 970?
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