Page 10 - Turner 1st sem Practicals

Exercise No. Title of the exercise Page No.

Module 3 : Turning

1.3.22 Identification and function of differenet parts of lathe and practice 60

1.3.23 Setting lathe on different speed and feed 64

1.3.24 Mounting of chuck on machine spindle and unloading 3-Jaw chuck
and 4-Jaw chuck 68

Mounting and dismounting of chucks 69
Dismounting and mounting chucks 72

1.3.25 Setting practice on round and square and hexagonal bar 74

Truing work in a four jaw chuck with the help of a surface gauge 75

1.3.26 Dismantling and assembling of 3 jaw and 4 jaw chuck 78
Dismantling and assembling of lathe chuck 79

1.3.27 Turning of round stock, square and hexagonal on 4-Jaw in dependent chuck 81

1.3.28 Turning of round stock on 3 jaw self centering chuck 86

1.3.29 Grinding a tool (R.H & L.H) grinding ‘V’ tool
side cutting tool, parting tool 87
Grinding a side cutting tool for machining steel 90

1.3.30 Checking of angles with angle gauge and bevel protractor 92

1.3.31 Grinding ‘V’ threading tool metric 60° threads 95

1.3.32 Facing operation to correct length 97

1.3.33 Centre drilling and drilling to a required size 98

Centre drilling on lathe 99
Centre drilling in a drill press 101

Rectifying a damaged centre-drilled hole 101

1.3.34 Make square block by turning using 4-Jaw chuck and perform
drilling, boring and grooving 103

Making square block from round bar in lathe 104

1.3.35 Parallel turning, step turning, grooving, chamfering and parting practice 106
Parting off operation 110

1.3.36 Measurement with scale and outside caliper to ± 0.5 mm 112

1.3.37 Step turning with an ± 0.06 mm with different shoulder and undercut
on outside diameter 114

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