This download link is referred from the post: JNTUA M.Tech 1st Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
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Code: 17D04106
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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
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Max. Marks: 60
Answer all the questions
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Discuss tool engineering, classification and its objectives.
OR
Define surface finish and what are the factors affecting surface finish.
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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
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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.
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OR
With a neat diagram, explain the force analysis in Orthogonal cutting.
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OR
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With neat sketches, explain the different turning fixtures.
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Explain the use of turnover jig with a neat diagram
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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.
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OR
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/cm². The die radius is 8 mm and the bend length is 120 cm.
40
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4°R
4°R
80
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Explain the methods of mounting of jobs and cutting tools in machine tools.
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OR
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Discuss about universal fixtures, tool resetting.
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This download link is referred from the post: JNTUA M.Tech 1st Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
--- Content provided by FirstRanker.com ---