What is Orthogonal cutting? Derive tan cl> rc cos a/1-rc sin a

where
rc =Chip thickness ratio,
a =Rake angle,
cl> =Shear plane angle.

Explain chip formation with Built-up-Edge, with the help of a neat sketch.

2. During orthogonal cutting operation, the following observations were recorded

Rake angle of tool 10°

Tool chip contact length =1·0 mm

Tool chip contact length =0·75 mm

O'max =2000 'tmax =1000 kg/cm^2.

Calculate the average value of the coefficient of friction and the resultant force for a 5 mm wide cut.

Explain various bonding materials used for manufacturing of a grinding wheel.

What do you understand by grades and structure of an abrasive grain of a grinding wheel?

What do you mean by Surface Integrity What is the classification of surface integrity?

Describe the Magnetic Abrasive Finishing process. Write the type (material type) and size of the abrasive and magnetic particles used in MAF process.

Describe the principle and working of ultrasonic machining with the help of a neat sketch.

Write in brief about the production of Laser Beam and the working principle of Laser Beam Machining.

What are the advantages, limitations and applications of Electrochemical Machining?

Describe the working principle of Wire cut Electric Discharge Machining, with help of a neat sketch.

What are the differences between the metal spraying and electroplating processes Why are these processes used?

Classify the Advanced Machining processes citing their applications.

8. Write short notes on any four of the following:

Tool Life

Abrasive Material used in a Grinding Wheel

Honing

Superfinishing

Ion Beam Machining

H.S.S. Cutting Tools

Cemented Carbide Tools