MEP EP#319: Work to Automate the Work

<h4><a href="https://macrofab.com/blog/mep-ep319-work-to-automate-the-work">MEP EP#319: Work to Automate the Work</a><br></h4><p><a href="https://blog.feedspot.com/electrical_engineering_podcasts/" target="_blank" rel="noopener">Feedspot</a> has ranked this podcast #1 for Best 10 Electrical Engineering Podcasts. Thank you everyone for listening and sharing this podcast with others. We are just getting started!</p> <h4>MacroFab Updates</h4> <ul> <li aria-level="1">KiCad 6 support!</li> <li aria-level="1">PI DAY Contest <ul> <li aria-level="1">March 14th (3/14)</li> <li aria-level="1">Stop by the MacroFab website to take a pop quiz for a chance to win some free pizza</li> </ul> </li> </ul> <h4>Testing Ratchet Wrenches</h4> <ul> <li aria-level="1">Wrench qualifications <ul> <li aria-level="2">Ratcheting Wrench</li> <li aria-level="2">Non-Reversible</li> <li aria-level="2">Zero-degree offset</li> <li aria-level="2">½” hex </li> <li aria-level="2">12 or 6 point</li> </ul> </li> <li aria-level="1">Have collected 20 ratchet wrenches so far</li> <li aria-level="1">Why? Broke one and wanted to try out all the different styles and brands before buying a set</li> <li aria-level="1">What are we testing? <ul> <li aria-level="2">Thickness of the wrench</li> <li aria-level="2">How does it feel?</li> <li aria-level="2">Max torque to either failure or cam out</li> <li aria-level="2">Any other tests? <ul> <li aria-level="3">Thickness to torque rating</li> <li aria-level="3">How much mechanism play</li> <li aria-level="3">Measure ratchet dimension </li> </ul> </li> </ul> </li> <li aria-level="1">How? <ul> <li aria-level="2">Quick tests show I need more than 100ftlbs but less than 250ftlbs of bolt torque</li> <li aria-level="2">Load cells to measure the clamping force between 2 plates</li> <li aria-level="2">Need a “screw” drive to handle the force</li> <li aria-level="2">A normal ½” bolt is usually 5/16-18” which handles ~30ftlbs before pulling the thread