A bracket, as shown in Fig., is fixed to a vertical steel column by means of five tandard bolts. Determine: 1. the diameter of the fixing bolts, and 2. the thickness (t) of the rm of the bracket. If the maximum allowable tensile stress in the bolt and bracket naterial is ots and Otb MPa respectively. y

A bracket, as shown in Fig., is fixed to a vertical steel column by means of five tandard bolts. Determine: 1. the diameter of the fixing bolts, and 2. the thickness (t) of the rm of the bracket. If the maximum allowable tensile stress in the bolt and bracket naterial is ots and Otb MPa respectively. y

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Introduction to Engineering Design Process

The engineering design process is a set of steps that engineers follow to come up with a solution to a particular problem. The solution to the problem involves the designing of a product that can accomplish a certain task and can qualify certain criteria. The process of designing is completely different from that of the scientific method, that you may be familiar with. If the project utilizes the observations, and the experiments then the engineering design process must be followed. The diagram shows the steps of the engineering design process, and the table below describes each step in more detail:

Question

Design of machine elements

solve it according to R.S. Khurmi, J.K.

please write clearly

A bracket, as shown in Fig., is fixed to a vertical steel column by means of five
standard bolts. Determine: 1. the diameter of the fixing bolts, and 2. the thickness (t) of the
arm of the bracket. If the maximum allowable tensile stress in the bolt and bracket
material is ots and Oth MPa respectively.
y
a
a
.x
60°
F kN
b+d
All dimensions in mm.
b
d
e
F
ots otb
a
98
77
135.8
141
40
56
44
72

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