习题3-3
0左图:极位夹角??18.6, 右图:?min?min?(18?157.3)?,?51.1
22.7C2C2B2AB1C1DB1AC1B2D
习题3-4
C1C2B2DADC1B1C2AB2B1
习题3-5
B1C1 AB2C2 D
习题3-6
习题3-7
习题3-8 解:
K?11.5?1??180?180?36
K?11.5?1
lO1A?lO1O2sin(?/2)?200sin18?61.8mm r?
H??80?180?127.32mm
?36
综合测试题3-2
综合测试题3-3
??180K?12?1K?1?1802?1?60
(1)若为摆动导杆机构,如图(1):AB?BCsin(?/2)?40sin30?80mm
AF1?AF2?E1E2502?2?25mm AD?AF1sin30?251/2?50mm
4 0DE?ADcos??50?100mm
mincos60
C1(2)若为转动导杆机构,如图(2):AB?BCcos??40cos6050?20mm
ADF2?D1D2/2?E1E1E2/2E?25mm E2 DE?ADcos??25?50mm
mincos60100D2
B40C2C10860°50F1F2E1EE20530°A60°100D1D2D图(1)
B50C2120°D1AE1C1EE25060°D250D图 (
图 图(2)
C2D1B8060°
°A60°D