上海充通大 Planar Linkages and 4-bar mechanism SHANGHAI JIAO TONG UNIVERSITY 4-Bar Nomenclature ·Ground link(连架杆) Links pivoted to gound -Crank(曲柄) -Rocker(摇杆) ·Coupler(连杆) length Link 3,length b B Link Coupler P Rocker length Crank Link -length-d Ground Link Pivot 0 Pivot 0 ME357 Design Manufacturing llPlanar Linkages and 4-bar mechanism 4-Bar Nomenclature • G d li k( Groun d li nk(连架杆 ) • Links pivoted to gound – Crank(曲柄 ) – Rocker(摇杆 ) • Coupler(连杆 ) B Coupler A Crank Rocker Ground Link Link 1, length d Pi t 0 Pi t 0 Crank ME357 Design & Manufacturing II Pivo t 02 Pivo t 0 4