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(a) How are the cutting fluids classified ? Explain every class with a couple of lines.
(b) A carbide cutting tool has tool life exponent n = 0.27. It gives a tool life of 60 min while machining a mild steel workpiece at a cutting speed of 120 m/min. calculate the tool life if its is to be cut at 20% higher cutting speed ?
(c) Write a couple of lines on :
(i) Tool life
(ii) Machineability
(iii) Machinability Index
(iv) Coated tools
a) Define various types of chips and factors responsible for their formation with diagram b) Describe cutting ratio, shear plane and shear angle. c) Sketch Merchant circle di
Special Casting Methods: 1. Die casting : Die casting is a permanent mould casting techniques in which molten metal is forced in the mould cavity under a pressure of 700 to
The water jet should not directly fall on speedometer, spark plug, steering cone race and electrical connections. During washing there is a possibility of water entry below the sea
machine design projects
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Ductile mid brittle material: A material that can undergo large permanent deformation in tension, that is, it can be drawn into wires is called as ductile. A material which
Value engineering & Value analysis VA may be defined as looking at an existing product or a product already in production to see if changes in design or process can reduce prod
Foreign Inclusions Slag inclusions This is formed due to entrapment of oxides and non metallic solid material in the weld deposit or between the weld metal and base met
Determine the maximum bending stresses: A rectangular beam of breadth 100 mm & depth 200 mm is simply supported over a span of 4 m. The beam is loaded with a uniformly distrib
Jib crane Mechanism: Sol.: Jib crane is taken in use to raise heavy loads. A load W is lifted up by pulling the chain through pulley D as shown in the adjacent figure.
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