THE 4 SCREW HOLDING THE LCD WAS WELDED WITH MY CD WELDER
Tuesday, May 25, 2010
Friday, May 21, 2010
UPDATE
I was promised a case for my welder but it seems like I'm not going to get it after a 5 month wait. I decided to buy the 12 X 12 X 19 case from mouser ($140 including shipping and taxes) HERE. This case is bigger than what I need but I guess it will do for now. I'm going to cut out the face with my CNC milling machine this weekend and rebuild all the circuitry into the new box.
I did some tests on my welder to determine the ESR and Max weld current. I connected 3 X 1 Farad computer grade capacitors with #8 welding cable and got an ESR of 0.0020mOhms. At 20V you will get 10 000 amps. The Mosfet board can handle 15 000 Amps and by using bigger cable, copper bus bars and better connections can increase the current to give you much better and deeper welds than Sunstone Engineering can ever give you for $8000
I did some tests on my welder to determine the ESR and Max weld current. I connected 3 X 1 Farad computer grade capacitors with #8 welding cable and got an ESR of 0.0020mOhms. At 20V you will get 10 000 amps. The Mosfet board can handle 15 000 Amps and by using bigger cable, copper bus bars and better connections can increase the current to give you much better and deeper welds than Sunstone Engineering can ever give you for $8000
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