Page 17 - TDM - 1st Year - TP - Hindi

thread cutting (both LH 37. Plain turning (holding in 4 –jaw factors affecting tool life.
& RH), Appropriate chuck), step turning and forming (10 Hrs.)
accuracy: ±0.06mm, shoulder, chamfering in between
Different turning centres as per dimensions.
operation –Plain, (28hrs.)
facing, drilling, boring 38. Pillar turning between centres
(counter & stepped), (07 hrs.)
grooving, Parallel
Turning Step Turning,
parting, chamfering, U
-cut, Reaming, internal
recess, knurling.]
NOS:CSC/N0316

39. Bush turning, drilling and boring/ Driving mechanism, speed and
reaming. (14 hrs.) feed mechanism of Lathe.
40.Turning and die passing in a Concept of Orthogonal and
standard material. (03 hrs.) Oblique Cutting.Chucks & different
types of job holding devices on lathe
41. Pin punch turning and knurling and advantages of each type.
(05 hrs.) Mounting and dismounting of
42. Using 4 – jaw chuck; face both chucks.Knurling-types, grade & its
side of a plate thickness as per necessity.Vernier Bevel Protractor –
drawing. (02 hrs.) parts, reading and uses. (04 Hrs.)

43. Taper turning male and female Various material for single point
work pieces and assembly. cutting tools, tip tools- their brazing
(25hrs.) and grinding process. (07 Hrs.)

Professional Set the different 44. External thread cutting on step Calculations of taper turning by
Skill 25 Hrs.; machining parameters turned work piece. (Metric, off-setting tail stock.
Professional to produce threaded BSW & Square Thread) Sine Bar – description & uses
(15hrs.)
Knowledge components applying Slip gauge –description and uses.
05Hrs. method/ technique and 45. Turn job for Internal thread and (05 Hrs.)
test for proper cut internal thread (10 hrs.).
assembly of the
components with an
accuracy of ± 0.05 mm.
[Different threads viz.,
metric/ BSW/ Square]
NOS:CSC/N0316

(Professional Set the different 46. Identification of milling machine. Milling Machine: importance,
Skill 128 machining (02 hrs.) types, construction and
Hrs.; parameters and 47. Demonstrate working principle of specification.
Professional cutters to prepare Milling Machine. (02 hrs.) Driving and feed mechanism of
Knowledge job by performing 48. Set vice & job on the table of Milling Machine
18 Hrs.) different milling Different milling cutter angles,
operation and Milling Machine. (03 hrs.) Milling cutter materials.
indexing. [Different 49. Set arbor on the spindle of milling (05 Hrs.)
machining machine. (04 hrs.)
parameters – feed, 50. Set the cutter on arbor. (02hrs.)
speed and depth of
cut. Different 51. Safety points to be observed
milling operations – while working on a milling
plain, stepped, machine. (02 hrs.)
angular, dovetail,
T-slot, contour,

(xv)