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Redraw the sketch, prepare operation sheet and sequence of operations for the component shown in Figure No. 1. Assume suitable cutting parameters.

OR

Prepare operation sheet and sequence of operation for the component to be manufactured on lathe. Shown in Figure No. 1. Assume suitable cutting parameter.

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Subject: Production Engineering and Robotics

Difficulty: Medium

Marks: 8 Marks

1 Answer
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Operation Sheet:

Op.No .Description of operation Machine used Tool/Fixture used Cutting Speed Feed mm/rev. Depth of cut
1. Clamp the blank in chuck with a projecting length of 110 mm Centre lathe 3 jaw chuck - - -
2. Facing operation. Centre lathe HSS, RHS tool 35 0.05 0.25
3. Turn diameter to 50 mm for a length of 100 mm. Centre lathe HSS, RHS tool 40 0.05 0.5
4. Turn diameter to 30 mm for a length 70 mm. Centre lathe HSS, RHS tool 40 0.05 0.5
5. Adjust the tail stock for taper turning operation. Centre lathe HSS, RHS tool - - -
6. Taper turning to 30 for 20 mm length. Centre lathe HSS, RHS tool 25 0.05 0.25
7. Cutting off the job at 100 mm length. Centre lathe Parting tool 20 0.05 0.5
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