Gear Parameters and Design Tradeoffs (Gears pt 2/7)

Timestamps for various topics: 0:00 Minimum requirements for meshing to work at all 7:20 Gear ratio selection restriction 9:07 Binding due to insufficient backlash 12:29 Screw pump working 13:12 Pressure angle tradeoffs 13:45 Effect of shaft-shaft distance on backlash for different pressure angles 14:48 Effect of pressure angle on tooth strength 16:43 Force driving the shafts apart, and effect of backlash on this force 18:37 Failure of WiFi tank drivetrain due to this force 20:12 Conclusions on pressure angle 21:02 Standard values for pressure angle 21:51 Tradeoffs between module and number of teeth 22:58 Larger module is more tolerant for shaft-shaft distance errors 24:26 Undercutting, why it’s necesary, and why it’s bad 26:35 Concentricity error or runout error gives same type of problem as shaft-shaft distance error 28:47 Why m=3 for the screw pump? 31:51 Outer diameter of a gear Part 3:    • How to model Helical and Herringbone Gears...   Full playlist:    • All about gears   I don’t think any of the files in this video are interesting enough to share. If you would like to see one of the files, leave a comment below. I have made extensive use of these two references, which treat a bunch more topics that I didn’t discuss here, such as contact ratio, profile shifting, and wear resistance: https://khkgears.net/new/gear_knowled... https://qtcgears.com/tools/catalogs/P... If you have any questions, comments or suggestions please leave those down below.