... equationrt(θ 2 ,φ 2 ) = Mt2(φ 2 )r 2 (θ 2 ), (13.6.5)which yieldsθ 2 ≥ 90◦,φ 2 = 2( θ 2 − 90◦)xt=−r 2 (φ 2 − sin φ 2 ) +ρ 2 sin(θ 2 − φ 2 )yt=−r 2 (1 −cos φ 2 ) −ρ 2 cos(θ 2 − φ 2 ).(13.6.6)Axis ... represented in S 2 by the equationsρ 2 (θ 2 ) = ρ 2 [sin θ 2 − cos θ 2 01]T( 12. B.1)n 2 = [sin θ 2 − cos θ 2 0]T. ( 12. B .2) The coordinate transformations from S1 and S 2 to Sf(Fig. 12. B .2) are ... 12. 12. 1, we haveα 12 (θ1) = µ1(θ1) +αc−π 2 . ( 12. 12. 1)Figure 12. 12. 1: Pressure angle of noncircular gears.P1: GDZ/SPH P2: GDZCB6 72- 12 CB6 72/ Litvin CB6 72/ Litvin-v2.cls February 27 ,...