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圆上清支大学 Outline Common Types of Gears Fundamental Law of Gearing Gear tooth nomenclature How to manufacture a gear? Interference and undercutting 圆上清支大丝 Fundamental Law of Gearing Assuming roll without slip at the pitch point,what is the relationship between the angular velocities of the cylinders? From previous knowledge: 02=-生 03 From Instant Centers:Instant Center(2,3)must be located at point of contact.So, 02 ,3-2,3 03 1,2-2,3) 2 1010 Outline Common Types of Gears Fundamental Law of Gearing Gear tooth nomenclature How to manufacture a gear? Interference and undercutting Fundamental Law of Gearing  Assuming roll without slip at the pitch point, what is the relationship between the angular velocities of the cylinders?  From previous knowledge: 2 3 3 2 r r      From Instant Centers: Instant Center (2,3) must be located at point of contact. So,     2 3 3 2 1,2 2,3 1,3 2,3 r r      
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