上游充通大￥ Planar Linkages and 4-bar mechanism SHANGHAI JIAO TONG UNIVERSITY L1=1.000 L2=2.170 L3=2.067 Vc/o L4=2.310 Normalized L5=5.400 Vc/ Velocity of Slider 2 1 0 -1 -2 -3 V/2 versus s 0 90180270360 FIGURE 3-33 02 (deg) Approximate constant velocity,draglink driven slider-crank sixbar mechanism(22)Planar Linkages and 4-bar mechanism