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King Fahd University of P=
etroleum
& Minerals
Mechanical Engineering Department
Due Date: Monday, March 7, 2005 &n=
bsp;  =
;
Problem # 1:=
Find the range of valu= es of L0 (fixed link) if the linkage will theoretically act as a :
(a) Crank rocker mecha= nism (where link 1 rotates through 360o);
(b) Drag link mechanis= m; (c) double-rocker mechanism;
(d) Change-point mecha= nism;
(e) Grashof mechanism;=
(f) Triple-rocker mech= anism.
L1 (= crank) =3D 400, L2 (co= upler) =3D 600, L3 (follower) =3D 750.
Problem # 2:=
Find the length of = L3 (follower) so that the linkage forms a crank rocker mechanism and transmiss= ion angle falls between 40o and 140o. Given: L1 (crank) =3D 100 mm, L2 (coupler) =3D 140 mm, L0 (fixed link) =3D 120 mm.