A Whitworth quick return motion mechanism, as shown in Fig. 5.38, has the following particulars :...

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A Whitworth quick return motion mechanism, as shown in Fig. 5.38, has the following particulars : 5. A -Stroke length B/2 B/2 P R2 R1 P2 A1 D A2 Line of stroke Fig. 5.38 Time of cutting stroke = 2 Time of returnstroke Length of stroke = 150 mm ; Driving crank length = 40 mm; %3D Find the lengths of CD and PD. Also determine the angles a and B. A Whitworth quick return motion mechanism, as shown in Fig. 5.38, has the following particulars : 5. A -Stroke length B/2 B/2 P R2 R1 P2 A1 D A2 Line of stroke Fig. 5.38 Time of cutting stroke = 2 Time of returnstroke Length of stroke = 150 mm ; Driving crank length = 40 mm; %3D Find the lengths of CD and PD. Also determine the angles a and B.