Link-2, shown in the figure, is 30 mm wide, has 12 mm diameter bearings at the ends, and is cut from low carbon steel bar having a minimum yield strength of 190 MPa. The end-condition constants for link-2 are C = 1 and C = 1.2 for buckling in and out of the drawing, respectively. Q-1 a) Draw necessary and clear free-body diagrams to determine the reactions at the supports and the load on both member-2 and member-3. b) Determine a suitable thickness for link-2, based on a design factor of safety nD = 4, and considering a material having E = 207 GPa, and a minimum yield strength Sy = 350 MPa. c) Determine the stress and resulting factor of safety for each pin, and state your suggestions in case of design factors less than 4. 500 mm 1.2 kN 900 mm 750 mm
Link-2, shown in the figure, is 30 mm wide, has 12 mm diameter bearings at the ends, and is cut from low carbon steel bar having a minimum yield strength of 190 MPa. The end-condition constants for link-2 are C = 1 and C = 1.2 for buckling in and out of the drawing, respectively. Q-1 a) Draw necessary and clear free-body diagrams to determine the reactions at the supports and the load on both member-2 and member-3. b) Determine a suitable thickness for link-2, based on a design factor of safety nD = 4, and considering a material having E = 207 GPa, and a minimum yield strength Sy = 350 MPa. c) Determine the stress and resulting factor of safety for each pin, and state your suggestions in case of design factors less than 4. 500 mm 1.2 kN 900 mm 750 mm
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Link-2, shown in the figure, is 30 mm wide, has 12 mm diameter bearings at
the ends, and is cut from low carbon steel bar having a minimum yield strength of
190 MPa. The end-condition constants for link-2 are C = 1 and C = 1.2 for buckling
in and out of the drawing, respectively.
a) Draw necessary and clear free-body diagrams to determine the reactions at
the supports and the load on both member-2 and member-3.
b) Determine a suitable thickness for link-2, based on a design factor of safety
ηD = 4, and considering a material having E = 207 GPa, and a minimum yield
strength Sy = 350 MPa.
c) Determine the stress and resulting factor of safety for each pin, and state your
suggestions in case of design factors less than 4.
Use appropriate (SI) units as it applies (if any.)
Transcribed Image Text:Link-2, shown in the figure, is 30 mm wide, has 12 mm diameter bearings at
the ends, and is cut from low carbon steel bar having a minimum yield strength of
190 MPa. The end-condition constants for link-2 are C = 1 and C = 1.2 for buckling
in and out of the drawing, respectively.
Q-1
a) Draw necessary and clear free-body diagrams to determine the reactions at
the supports and the load on both member-2 and member-3.
b) Determine a suitable thickness for link-2, based on a design factor of safety
ŋD = 4, and considering a material having E = 207 GPa, and a minimum yield
%3D
%3D
strength Sy = 350 MPa.
c) Determine the stress and resulting factor of safety for each pin, and state your
suggestions in case of design factors less than 4.
500 mm
1.2 kN
900 mm-
-750 mm
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