Page 14 - Sheet Metal Worker -TT- TELUGU

13 Folding, Bending Sheet Metal to Definitions of pattern, Development,
90 degree using wooden mallet, stretched out pattern, Master pattern
'C' clamps etc. (03hrs) (gross pattern) and templates
14 Making a radius using Wooden Development of by parallel line method,
blocks using Hairpin Folder. (03 radial line method. (03 hrs)
hrs)
15 Making a cylindrical container with
knocked- up, bottom (Bottom
Locked), Grooved Joint and
hemmed Top. (04 hrs)
16 Forming frustum of Cone. (03 hrs)
17 Making of Mug, scoop, measuring
can. (04 hrs)
18 Hemming (single, Double) wire
edge by hand process. (04 hrs)

19 Make a taper chute square to Development of surfaces: Triangulation
rectangle transition. (10 hrs) method and geometrical construction
20 Make a taper chute square to methods. (04 hrs)
round. (08 hrs)

21 Making holes with solid punches, Solid and Hollow Punches. Description
round punches as per BIS. (10 hrs) of hand punches as per BIS. Sizes of
22 Use of hollow punches making hole solid and hollow Punches and their uses.
in sheet metal with help of wood (04 hrs)
block. (08 hrs) Rivets and its parts, Selection of Rivet
heads.

23 Riveting practice using various Types of Rivet and their uses.
types of rivet heads. (03 hrs) Standard sizes of Rivets and Riveting
24 Single chain riveted joint. Double Tools.
chain and Zig- zag, Lap & butt Calculation for Riveting allowances
riveted joints Making a dust pan (pitch and Lap) (04 hrs)
(Corner and handle riveted) (08
hrs)
25 Making a fire bucket with lap
riveted joint on one side and
Locked Grooved Seam on the
other side. (08 hrs)
26 Bottom Hollowing and Bottom
Lock Seam. (04 hrs)

Professional Perform different type of 27 Solder Lap joint. (10 hrs) Fastening of Sheet Metal:
Skill 136 MS pipe joints by Gas 28 Single plated solder butt joint. (12 Self taping screws, Clips and
Hrs welding (OAW). hrs) Connectors; Their uses, Types and
Professional (Mapped NOS: CSC/ Allowance of 'S' Clips, Government
Knowledge N0301) Clips, Drive Clips, Mailing Clips etc
29 Hrs 29 Making oil Can by hand process Solder, Different types of solder and
by soldering. (10 hrs) their composition. Types and uses of
30 Making funnel by soldering fluxes, their effect on different metal.
process. (12 hrs) (04 hrs).

31 Make by soldering:- Process of soft soldering, hard soldering
- Elbow 90¢X equal dia. pipe. (09 (brazing).
hrs.)

(xii)