Lecture10_ME343F09 - Standard Tooth Sizes Pressure Angle...

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Gears: Selection and Kinematic Analysis ME 343 30 November 2009
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Class Outilne Final Exam Date Gears Midterm 2 solutions discussion
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Final Exam 12/7 or 12/14 Comprehensive exam will cover material from entire semester 1 page 8.5”X11” (2 sided) note sheet allowed Similar to 2 midterms
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Gears: Overview Terminology Design / analysis criteria Gear Selection Gear Kinematics
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Gear Types
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Spur Gear Terminology Pitch Circle Number of teeth Circular Pitch Clearance Backlash Diametral Pitch, Pitch
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Unformatted text preview: Standard Tooth Sizes Pressure Angle Line of Contact Tooth Profiles - Involute Gear Selection • Standardized gears for cost efficiency • Issues to consider – Force transmitted – Pitch – Pressure angle – Contact Ratio – Backlash Requirements for Mating Gears • Mated gears must have the same: – Pitch – Pressure angle Gear Kinematics • Velocity Ratio • Pitch Line Velocity driven driver VR ϖ = r V t =...
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  • Fall '09
  • varischetti
  • gear, pressure angle, Kinematic Analysis, pitch line velocity, Backlash Diametral Pitch, Pitch Circle Number

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