Download JNTUA M.Tech 1st Sem 2019 Feb Regular and Supply 17D04106 Advanced Tool Design Question Paper

Download JNTUA (JNTU Anantapur) M.Tech ( Master of Technology) 1st Semester 2019 Feb Regular and Supply 17D04106 Advanced Tool Design Previous Question Paper

Code: 17D04106

M.Tech I Semester Regular & Supplementary Examinations January/February 2019
ADVANCED TOOL DESIGN
(CAD/CAM)
(For students admitted in 2017 & 2018 only)

Time: 3 hours Max. Marks: 60

Answer all the questions

*****
1 Discuss tool engineering, classification and its objectives.
OR
2 Define surface finish and what are the factors affecting surface finish.

3 In an orthogonal turning operation, the following data have been observed:
Uncut chip thickness = 0.127 mm
Width of cut = 6.35 mm
Cutting speed = 2 m/s
Rake angle = 10?
Cutting force = 567 N
Thrust force = 227 N
Chip thickness = 0.228 mm.
Determine shear angle, friction angle, shear strength of work piece, friction force, shear force,
cutting power. Also find out chip velocity, shear strain and strain rate.
OR
4 With a neat diagram, explain the force analysis in orthogonal cutting.

5 Explain the use of turnover jig with a neat diagram.
OR
6 With neat sketches, explain the different turning fixtures.

7 With a neat sketch, explain the assembly of a die set showing the components and explain the
use of various components available in the die set assembly.
OR
8 Calculate the blank length to make the part as shown in the figure. Also determine the bending
force required if the ultimate tensile strength of material is 3500 kg/cm
2
. The die radius is 8 mm
and the bend length is 120 cm.


9 Explain the methods of mounting of jobs and cutting tools in machine tools.
OR
10 Discuss about universal fixtures, tool resetting.
*****
40
80
4? ?? 4? ??
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