Mech guy here who's out of his element ;)
Looking to build a very inexpensive tachometer with small LCD display for a project using hobby sized motors (think R/C motors or smaller). I'm guessing I need either a mini inductive pickup or opto device wired into an LCD but I have no idea where to...
We purchase tubular A356-T6 castings, nothing special about their geometry, and experience movement when we bandsaw cut through the casting wall (ie. .015" collapse in a 11-1/4 OD x 8-1/4 ID). We've used 713 previously and did not have this problem.
Is A356-T6 known to have internal stresses...
