MEP EP#319: Work to Automate the Work
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MacroFab Updates
- KiCad 6 support!
- PI DAY Contest
- March 14th (3/14)
- Stop by the MacroFab website to take a pop quiz for a chance to win some free pizza
Testing Ratchet Wrenches
- Wrench qualifications
- Ratcheting Wrench
- Non-Reversible
- Zero-degree offset
- ½” hex
- 12 or 6 point
- Have collected 20 ratchet wrenches so far
- Why? Broke one and wanted to try out all the different styles and brands before buying a set
- What are we testing?
- Thickness of the wrench
- How does it feel?
- Max torque to either failure or cam out
- Any other tests?
- Thickness to torque rating
- How much mechanism play
- Measure ratchet dimension
- How?
- Quick tests show I need more than 100ftlbs but less than 250ftlbs of bolt torque
- Load cells to measure the clamping force between 2 plates
- Need a “screw” drive to handle the force
- A normal ½” bolt is usually 5/16-18” which handles ~30ftlbs before pulling the threads
- Two Paths
- Take a ¾” bolt and machine the head into a hex
- Take a ½” allen socket with a ¾” square drive and attach that to a bolt
Automate the Boring Stuff
- Spending 20 hours to save 1 - the engineers life
- Making API calls with the requests library
- Requests: HTTP for Humans
- Openpyxl for creating excel
- Commenting code
- Automate the Boring Stuff