Page 20 - Welder - TT - Punjabi

Professional Set GMAW machine GMAW-01 65 Introduction to safety equipment and - Safety precautions in Gas
and perform welding in their use etc. Metal Arc Welding and
Skill different types of joints GMAW-02 66 Setting up of GMAW welding machine Gas Tungsten Arc
on MS sheet/plate by
166Hrs; & accessories and striking an arc. welding.
GMAW in various
Professional positions by dip mode 67 Depositing straight line beads on M.S - Introduction to GMAW -
of metal transfer. Plate. equipment - accessories.
Knowledge 68 Fillet weld - "T" joint on M.S plate - Various other names of
[different types of joints-
32Hrs Fillet (T-joint, lap, 10mm thick in flat position by Dip the process. (MIG/MAG/
Corner), Butt (Square & transfer. (1F) CO welding.)
2
V); various positions-
1F, 2F, 3F,4F, 1G, 2G, GMAW-03 69 Fillet weld - Lap joint on M.S. sheet - Advantages of GMAW
3G] 3mm thick in flat position by Dip welding over SMAW ,
transfer. (1F) limitations and applica-
GMAW-04 tions
70 Fillet weld - "T" joint on M.S. sheet
3mm thick in flat position by Dip - Process variables of
GMAW-05 transfer. (1F) GMAW.
71 Fillet weld - corner joint on M.S. sheet
3mm thick in flat position by Dip
transfer. (1F)
GMAW-06 72 Butt weld - Square butt joint on M.S - Wire feed system - types
sheet 3mm thick in flat position (1G) - care and maintenance.
GMAW-07 73 Butt weld - Single "V" butt joint on M.S - Welding wires used in
plate 10 mm thick by Dip transfer in GMAW, standard diam-
flat position. (1G) eter and codification as
per AWS.

GMAW-08 74 Fillet weld - "T" joint on M.S plate - Name of shielding gases
10mm thick in Horizontal position by used in GMAW and its
Dip transfer. (2F) applications.
GMAW-09
75 Fillet weld - corner joint on M.S plate - Flux cored arc welding - de-
10mm thick in Horizontal position by scription, advantage, weld-
Dip transfer. (2F) ing wires, coding as per
AWS.

GMAW-10 76 Fillet weld - "T" joint on M.S. sheet - Edge preparation of vari-
3mm thick in Horizontal position by ous thicknesses of met-
Dip transfer. (2F) als for GMAW.
GMAW-11
77 Fillet weld - corner joint on M.S. - GMAW defects, causes
sheet 3mm thick in Horizontal and remedies
position by Dip transfer. (2F)

GMAW-12 78 Fillet weld - "T" joint on M.S plate - Heat input and tech-
10mm thick in vertical position by niques of controlling heat
Dip transfer. (3F) input during welding.
GMAW-13
79 Fillet weld - corner joint on M.S plate - Heat distribution and ef-
10mm thick in vertical position by dip fect of faster cooling
transfer. (3F)

GMAW-14 80 Fillet weld - Lap joint on M.S. sheet - Pre heating & Post Weld
3mm thick in vertical position by Dip Heat Treatment
transfer. (3F) - Use of temperature indi-
GMAW-15
81 Fillet weld - corner joint on M.S. sheet cating crayons.
3mm thick in vertical position by Dip
transfer. (3F)
GMAW-16 82 Fillet weld - Lap and "T" joint on M.S - Submerged arc welding
sheet 3mm thick inoverhead position process -principles,
GMAW-17 by Dip transfer. (4F) equipment, advantages
83 Tee Joints on MS Pipe Ø 60 mm OD and limitations
x 3 mm WT 1G position - Arc constant
(Rolling)

(xviii)