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Long story short, I reinstalled OneDrive on my computer, and I suspect that's when things went south. Anyway, I have updated the first post in this thread with links to the disassembly and assembly pictures. -
By Neverenoughwatches · Posted
No it was ok Richard. When clicked on the picture becomes clear. -
By rjenkinsgb · Posted
Some links: https://www.ebay.co.uk/itm/364175859937 https://www.amazon.co.uk/Seesii-Farad-Capacitor-Spot-Welder/dp/B0DL5M2CLN/ref=sr_1_6?crid=YFXX1S2M2EV6 https://www.aliexpress.com/item/1005005736670139.html -
By watchweasol · Posted
Thanks it looks like it does a good job. Appreciate that @rjenkinsgb -
By rjenkinsgb · Posted
Half an hour later: Test done. It takes rather less power than I expected, for a fairly small watch spring at least; this measures 1.5mm wide by 0.1mm thick. The burned edge was at 20% power, through the two layers. The good weld was single sided over a brass block, at 10% power. I've been using 15% to weld terminals to lithium cells. The spot welder is one of these, bought from a UK reseller - ebay or amazon? They are also sold under other brand names. https://www.seesiius.com/collections/spot-welder/products/seesii-spot-welder-with-farad-capacitor-3000f-120-gears-adjustable It takes 20 mins or so to get up to working voltage, then a very brief time between welds - or several in a row is fine. (Around 20,000 joules [watt-seconds] energy storage; it runs from a 12V 4A PSU). WW - Simultaneous post!
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