1) It is required to design a Knuckle joint to
connect two circular rods which are subjected to an axial tensile load of 50
kN. the material used for joints is 50c8, having yield point stress 400 N/mm2. taking factor
of safety as 5, find the all dimensions of Knuckle joint.
2) A Knuckle joint carries an axial load of 100 kN. it connects two circular rods which are made
up of material 40c8, having yield strength
360 N/mm2. using factor of safety 4
design and draw the Knuckle joint. Show
all important dimensions in the final drawing.
3) Design a Knuckle joint to transmit a load of 50
kN, assume permissible stresses as 40 N/mm2 in 10 size 40 N/mm2
in shear and 80 N/mm2 in compression.Also draw neat dimensioned
sketch of Knuckle joint showing all important dimensions designed.
4) designer Knuckle joint subjected to a pull of
30000N. assume permissible stresses as
below,
allowable
tensile stress 80 N/mm2
allowable shear stress 60 N/mm2
allowable
crushing stress 120 N/mm2
5) A knuckle joint is required to transmit a load
of 150 kN. the rod end, fork end and pin
are made up of same material. The design
stresses may be taken as
allowable
tensile stress 75 N/mm2
allowable
shear stress 60 N/mm2
allowable
crushing stress 150 N/mm2
6) It is required to design a Knuckle joint for a
tie rod of circular cross section, the
joint is subjected to maximum Pull of 70 kN.
the ultimate strength of the material of the rod against tearings is 420
Mpa . the ultimate tensile and shearing strength of pin material or
510 Mpa and 400 Mpa respectively. Design
the single eye, double eye and pin. Take
factor of safety is equal to 6
7)Design a knuckle joint required to connect
two steel bars subjected to a tensile
load of 25 kN. The allowable stresses are
75 MPa in tension,
60 MPa in shear and
100 MPa in crushing. Also draw the neat dimensioned
sketch of the joint showing all important obtained dimensions.
8) Two MS rods are to be connected by a knuckle
joint, load it has to transmit is 120 kN. Design the joint assuming that the
working stresses for both the pin and rod materials to be,
85 MPa in tension,
70 MPa in shear and
140MPa in crushing.
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