Page 15 - TDM - 1st Year - TT - Hindi

30.Angular fitting with male & Getting to know the lathe with its main
female. (30 hrs.) components, lever positions and
Assembly fit with male & female various lubrication points as well.
by dowelling and screwing. (25 Definition of machine & machine tool
hrs.) and its classification. (08 Hrs.)

Professional Set different shaped 31. Identify & function of different Introduction to lathe. Centre lathe
Skill 32 Hrs.; jobs on different chuck parts of lathe. Practice on construction, detail function of parts,
and demonstrate operation of lathe (dry/idle run). specification. Safety points to be
Professional
Knowledge conventional lathe (10 hrs.) observed while working on a lathe. (07
07 Hrs. machine operation 32. Setting lathe on different speed Hrs.)
observing standard and feed. (02 hrs.)
operation practice.
[Different chucks:3 jaws 33. Profile turning using hand tools-
& 4 jaws, different radius external and internal.
shaped jobs: round, (20hrs.)
square, hexagonal]
NOS:CSC/N0316
Professional Prepare different cutting 34.Grinding of R.H. and L.H. tools, Different types of Lathe operations -
Skill 95 Hrs.; tool to produce jobs to parting tool, Round nose tool. facing, turning, parting-off, grooving,
Professional appropriate accuracy by (05hrs.) chamfering, boring etc.Lathe cutting
Knowledge performing different 35.Checking of angles with angle tool-different types, shapes and
21 Hrs. turning operations. gauge / bevel protractor. (02 hrs.) different angles (clearance, rake etc.),
[Different cutting tool – V 36. Grinding of “V” tools for specification of lathe tools.
tool, side cutting, threading of Metric/ British Types of chips, chip breaker.Tool life,
parting, thread cutting threads. (04hrs.) factors affecting tool life. (10 Hrs.)
(both LH & RH),
Appropriate accuracy: 37. Plain turning (holding in 4 –jaw
±0.06mm, Different chuck), step turning and forming
turning operation –Plain, shoulder, chamfering in between
facing, drilling, boring centres as per dimensions.
(counter & stepped), (28hrs.)
grooving, Parallel Turning 38. Pillar turning between centres
Step Turning, parting, (07 hrs.)
chamfering, U -cut, 39. Bush turning, drilling and boring/ Driving mechanism, speed and feed
Reaming, internal reaming. (14 hrs.) mechanism of Lathe Concept of
recess, knurling.] Orthogonal and Oblique Cutting.
NOS:CSC/N0316 40.Turning and die passing in a
standard material. (03 hrs.) Chucks & different types of job holding
devices on lathe and advantages of
41. Pin punch turning and knurling
(05 hrs.) each type.
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 off-
Skill 25 Hrs.; machining parameters to turned work piece. (Metric, setting tail stock.
produce threaded
Professional BSW & Square Thread) (15hrs.) Sine Bar – description & uses
Knowledge components applying 45. Turn job for Internal thread and Slip gauge –description and uses. (05
05Hrs. method/ technique and cut internal thread (10 hrs.). Hrs.)
test for proper
assembly of the
components with an
accuracy of ± 0.05 mm.
[Different threads viz.,
metric/ BSW/ Square]
NOS:CSC/N0316
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