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Gear Profile Generation: Calculation of Angles A2 and A3

Learn how to generate gear profiles by determining points through angle calculations α. Detailed steps on ØI calculation using RAI and RBI as Base Radius and Tip Radius. Explore αI derivation and understand the process in radians.

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Gear Profile Generation: Calculation of Angles A2 and A3

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  1. ADDENDUM CIRCLE B3 TIP DIA ρ3 PITCH CIRCLE B2 PITCH CIRCLE DIA ρ2 B1 BASE CIRCLE ρ1 BoorAo ROOT CIRCLE A1 BASE DIA RA0=RB0 RB1 RB2 RA1 RB3 RA2 α1 Ø1 RA3 Ø2 α2 α3 Ø3 O GEAR PROFILE Here is given the profile generation by finding points from calculating angles α. A2 A3 CALCULATION:- ØI = Cos-1(RAI/RBI); -Where RAI= Base Radius, and RBI= Tip Radius. αI=INV(ØI)=tan(ØI)- ØI. (Angles are in radians.)

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