Design of Shaft - [Problem - 02]

Hello friends,
This video contains full problem of design of shaft.
In this problem shaft is subjected to combined twisting moment and bending moment.
Design of shaft means to find diameter of shaft.
In case of combined loading shaft is designed according to maximum shear stress theory and maximum principal stress theory.

Problem statement :-
The layout of a transmission shaft carrying two pulleys B and C and supported on bearing A and D is shown in figure. Power is supplied to the shaft by means of a vertical belt on the pulley B, which is then transmitted to the pulley C carrying a horizontal belt. The maximum tension in the belt on the pulley B is 3kN. The angle of wrap for both the pulleys is 180° and coefficient of friction is 0.3. The shaft is made of plain carbon steel 30C8 having yield strength 400MPa and factor of safety is 3. Determine the shaft diameter on strength basis.


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Watch All videos of Elements of Machine Design or Machine Design 


Definition of Machine design 

https://youtu.be/v4llmmrtMog


Basic Procedure of Machine design 

https://youtu.be/w1Tf3Gu8Dz8


Stress and types of stresses 

https://youtu.be/TPyaw2Jm7rE


Stress -strain diagram for ductile material 

https://youtu.be/7X0BClEgYL8


Mechanical properties of materials 

https://youtu.be/pe1wyBGQH10


Factor of safety 

https://youtu.be/VRteOdYpy60


Stress concentration 

https://youtu.be/eWYa9dII3NA


Design of Cotter joint introduction 

https://youtu.be/3uN2cW_FlCU


Bending failure of Cotter in Cotter joint

https://youtu.be/hSSv70N7j8U


Designation of cast iron 

https://youtu.be/_1vaHMgZygU


Plain carbon steels

https://youtu.be/Bwt-hoLHZ7k


Selection of manufacturing methods 

https://youtu.be/sPOuuhQt-Jk


Design procedure of Cotter joint

https://youtu.be/ScN5_9WLcgM


Design of Cotter joint problem 

https://youtu.be/3RSiAp4fMWY


Design of knuckle joint - Introduction 

https://youtu.be/ecDGlwlwhrA


Design procedure of knuckle joint

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Design of knuckle joint problem 

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Design of turnbuckle introduction 

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Design procedure of turnbuckle

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Design of turnbuckle problem 

https://youtu.be/9NLvIQNd_Nk


Design of shaft

https://youtu.be/oqkD5EzTRMk


Design of shaft Problem - 01

https://youtu.be/3P8Ndx-ND9E


Design of shaft Problem - 02

https://youtu.be/LqOyStOHcvE


Design of Key

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Shaft couplings - Introduction 

https://youtu.be/3afJdDKPvKM


Muff or sleeve coupling - Introduction 

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Design procedure of muff or sleeve coupling

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Design of hand lever

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Design problem of hand lever

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