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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
Determine contact reactions and force: Figure given below shows a sphere resting in smooth V shaped groove and subjected to a spring force. The spring is compressed to
LITERATURE REVIEW for shaping
(a) A circular cylinder of mass M and radius R connected by a spring of stiffness ‘K'. It is free to roll on horizontal surface without slipping. Calculate the natural frequency.
Torque carried by the hollow shaft: A hollow and a solid shaft of similar material have the same weight when the inner diameter of the hollow shaft is half its outer diameter.
some suitable examples
Compute depth of yielding in the hollow shaft: A solid shaft 80 mm diameter is solid for a certain length from one end but hollow for the remaining length along inner diameter
Question The three freight cars are rolling along the horizontal track with the velocities shown in the Figure. After the impacts occur the three cars become coupled together a
How good are you with cad stuff ?
The temperature limits of an ammonia refrigerating system are 25 O C and - 10 O C. if the gas is dry at the end of compression, determine the coefficient of performance of the cycl
what is cone friction?
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