STUPIDSID
Explain any four of the following
1(a)
Define spring back in bending. Explain methods of overcoming spring back.
5 M
1(b)
Write advantages & limitations of standard mould system.
5 M
1(c)
What is meant by clearance applied to jigs & fixtures?
5 M
1(d)
Write the function & requirements of dielectric fluid.
5 M
1(e)
Differentiate between general purpose machines & special purpose machines.
5 M
2(a)
Determine length of the part before bending for the component shown in figure. The thickness of the sheet is 2 mm.
6 M
2(b)
Explain following press working operations.
i) Perforating ii) lancing iii) nibbling
i) Perforating ii) lancing iii) nibbling
6 M
2(c)
What is strip layout? Explain various factors which will influence it.
8 M
3(a)
Explain with suitable sketches, the various indexing devices.
6 M
3(b)
What is diamond pin? How & when it is used?
6 M
3(c)
Explain any two quick acting clamps.
6 M
4(a)
What is transfer line? Write its classification, advantages & limitation.
5 M
4(b)
Write short note on flexible manufacturing.
5 M
4(c)
Explain abrasive jet machining process with principle, working, process parameters and applications.
10 M
5(a)
Explain ejector system. Also explain any one ejection technique.
10 M
5(b)
Write the principle of pin locations.
5 M
5(c)
Explain working & construction of progressive die.
5 M
6(a)
Explain the term undercut molding. Explain the concepts of split mould with suitable example.
10 M
6(b)
Explain agile manufacturing
10 M
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