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ADDENDUM CIRCLE. B3. TIP DIA. ρ 3. PITCH CIRCLE. B2. PITCH CIRCLE DIA. ρ 2. B1. BASE CIRCLE. ρ 1. Bo or Ao. ROOT CIRCLE. A1. BASE DIA. R A0= R B0. R B1. R B2. R A1. R B3. R A2. α 1. Ø 1. R A3. Ø 2. α 2. α 3. Ø 3. O. GEAR PROFILE. - PowerPoint PPT Presentation
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ADDENDUM CIRCLE
PITCH CIRCLE
BASE CIRCLE
ROOT CIRCLEA2
A3
BASE DIA
PITCH CIRCLE DIA
TIP DIA
ρ1
ρ2
ρ3
B1
BoorAo
B2
B3
A1
RB1
RB2
RB3
RA1
RA2
RA3
O
Ø1
Ø2
Ø3
RA0=RB0
α1
α2
α3
CALCULATION:-
ØI = Cos-1(RAI/RBI);
-Where RAI= Base Radius,
and RBI= Tip Radius.
αI=INV(ØI)=tan(ØI)- ØI.
(Angles are in radians.)
GEAR PROFILEHere is given the profile generation by finding points from calculating angles α.
