Spot Welder Box Concept
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DIY Spot Welder Box (Concept, non-functional)
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution
IMPORTANT - THIS IS ONLY A CONCEPT AND NOT FUNCTIONAL DESIGN
I spent a lot of time designing this box and at the end I figured out that regular 18650 batteries won't work due to huge current spikes at the moment of weld, but I figured that someone could use this work for something else or make it work somehow.
Originally planned electronics:
GX591 > Welding PCB
HX-3S-01 > 3S Battery Charging module
Lmo Ternary Lithium Battery Protection (Big white PCB)
KCD3 Rocker Switch
LED 5mm
Hardware:
M3 FHCS Screws
M3 Heat inserts
M5-20mm Screws
M5 Butterfly Nut
6x1.5mm Magnet
I intended to use 18650 3s4p battery holder by @pavlon and mounting spot is on the bottom panel.
Spot-Welding PCB needs to be modified as shown in picture, desolder the connectors and move cap to other side, connectors are not necessarily required.
I won't describe wiring as I don't have working solution at the moment.