Page 10 - Turner 1st sem Practicals
P. 10

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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