Page 11 - Turner 1st sem Practicals

Exercise No. Title of the exercise Page No.

Lathe operation - Machining of different types of shoulders 115

1.3.38 Drilling on lathe, step drilling and drill grinding practice 119

1.3.39 Boring, step boring and recessing 121

Boring a drilled hole 123

Inside caliper & Outside micrometer used for bore measurement 124
Internal recessing to a size broader than the width of the tool 125

Form a recess 127

1.3.40 Reaming in lathe using solid and adjustable reamer 128
Reaming a hole by a hand reamer on the lathe 129

Method of checking the bore with a plain cylindrical plug gauge 129

1.3.41 Make bore by trepanning 131

1.3.42 Drill grinding 133
Inspecting and mounting a new wheel 134

Dressing and truing the grinding wheel 137
Re-sharpening a twist drill 139

Testing a re-sharpened twist drill for its performance 140

1.3.43 Turning between center on metal (Gear blank) 142

Turning work held on a plain mandrel 143

1.3.44 Fitting of dissimilar materials 145
1.3.45 Knurling practice in lathe 147

1.3.46 Checking alignment of lathe centres 149

1.3.47 Adjustment of tool post 151

1.3.48 Mounting job in between centres 154

Preparing work for in-betweem centre turning 155

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