STUPIDSID
Solve any one question from Q1 and Q2
1 (a)
Differentiate between Honing and Lapping process.
6 M
1 (b)
Calculate the Index Crank movement for 69 divisions by compound
indexing methods.
Hole circles are,
Plate I : 15, 16, 17, 18, 19, 20
Plate II : 21, 23, 27, 29, 31, 33
Plate III : 37, 39, 41, 43, 47, 49
Hole circles are,
Plate I : 15, 16, 17, 18, 19, 20
Plate II : 21, 23, 27, 29, 31, 33
Plate III : 37, 39, 41, 43, 47, 49
6 M
2 (a)
Sketch and Explain following drilling operations:
i) Countersinking
ii) Trepanning
iii) Spot facing
i) Countersinking
ii) Trepanning
iii) Spot facing
6 M
2 (b)
Explain the meaning of each letter mentioned on the following grinding wheel.
'W-C-10-E-5-V-17'.
'W-C-10-E-5-V-17'.
6 M
Solve any one question from Q3 and Q4
3 (a)
Draw the Merchant's circle of forces and explain the different quantities involved.
4 M
3 (b)
A tool life of 60 minute is obtained at a speed of 25 m/min and 6 minute at 50 m/min. Calculate the following
i) Tool life equation.
ii) Cutting speed for 4 minute tool life.
i) Tool life equation.
ii) Cutting speed for 4 minute tool life.
4 M
4 (a)
Draw neat sketch of single point cutting tool geometry.
4 M
4 (b)
Explain different types of chips.
4 M
Solve any one question from Q5 and Q6
5 (a)
Explain ECM process with its advantages, limitations and applications.
8 M
5 (b)
Explain AJM process with its advantages, limitations and applications.
8 M
6 (a)
Draw a Schematic diagram of 'Electro-discharge Machining' and Explain its working principle and process parameters.
8 M
6 (b)
Explain USM process with its advantages, limitations and applications.
8 M
7 (a)
Explain CNC machines with neat sketch. State its advantages and limitations.
6 M
Solve any one question from Q7 and Q8
7 (b)
Explain meaning of 2 axis, 3axis, 5 axis CNC machines.
3 M
7 (c)
Write a part program for component shown in fig. Assume that spindle speed of 400 rpm and feed is 0.3mm/rev.
7 M
8 (a)
Draw block diagram of DNC system and compare DNC and CNC system.
8 M
8 (b)
Differentiate between open loop and close loop system.
4 M
8 (c)
Explain the following codes
G03, M30, G90, M08
G03, M30, G90, M08
4 M
Solve any one question from Q9 and Q10
9 (a)
Define Jig and Fixture. Differentiate between them with suitable examples.
5 M
9 (b)
Write short notes on modular fixture.
5 M
9 (c)
Design and draw drilling jig for drilling the ϕ 10 mm holes in the component shown in fig. (a).
8 M
10 (a)
List various types of locating devices using in jig and fixtures. Explain any one in detail.
6 M
10 (b)
Draw and Explain Diamond pin locators.
4 M
10 (c)
Design and draw milling fixture for milling slot of 10 mm wide, 10 mm deep and 20 mm in length for the component shown in fig. (a).
8 M
More question papers from Manufacturing Process-II