Spot Welding Machine DIY

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Spot Welding Machine DIY:- AC Transformer ZEBRA TAR-220ATT RTRN-A684WRZZ;- 2AWG (35 mm2) cable 2.5m long;- 140mm PWM cooling fan;- NY-D04 spot welding controller + AC 9V Transformer | https://aliexpress.ru/item/4001224492655.html- SUNKKO 73B welding pen | https://aliexpress.ru/wholesale?catId=&SearchText=sunkko%2073b- AC-DC 12V 1A PSU | https://aliexpress.ru/item/4000837048338.html- DC 12V -50~+110°C Digital Thermometer | https://aliexpress.ru/item/4001264229873.html- DC 12V PWM speed fan controller | https://aliexpress.ru/item/32973504131.html- AC70-500V Voltmeter | https://aliexpress.ru/item/33001733772.html- Rocker Switch Fused IEC320 | https://aliexpress.ru/item/32857063415.html- 5.5x2.5mm Panel Mount Connector | https://aliexpress.ru/item/32999847738.html- 160mm Door Handles | https://aliexpress.ru/item/4000803493322.html- 18x15x5mm DIY rubber feet | https://aliexpress.ru/item/4000835196671.html- M3x5x5mm knurled injection brass nut | https://aliexpress.ru/item/1005002631444577.html- M3x8x1mm red insulating spacer | https://aliexpress.ru/item/32808275271.html- M3x7x10mm nylon spacer | https://aliexpress.ru/item/1005002657585446.html- Socket inner hex screws and nuts | https://aliexpress.ru/item/1005004497957932.html- Silicone tube 2m long with an ID 8mm and OD 10mm (If a rigid wired was used to wind the transformer, then for greater convenience during welding, I recommend replacing part of the insulation with a silicone tube) | https://aliexpress.ru/item/1005001600931086.htmlAdditional information | https://www.thingiverse.com/thing:5488481