TIG Welding

TIG Welding
Introduction
This course will empower the students to perceive and apply legitimate essentials of Gas Metal Arc Welding (GMAW). The understudy will fulfill the accompanying: clarify the GMAW; show the sheltered and right set up of the GMAW workstation; connect GMAW terminal orders with base metals and joint criteria; exhibit appropriate anode determination and use in view of metal sorts and thicknesses; construct stack of weld dabs with chose cathodes in the level and even positions; produce fundamental GMAW welds on chose weld joints; and lead visual review of GMAW welds. Wellbeing practices are stressed.

General Information
Course Industry:
TIG Welding
Course duration:
240 Credit hours (45 days)
Instructor:
MrAsifJahMrRajabAli
Prerequisites:
Middle or Matriculate
Course availability:
Available at Rawalpindi, Lahore and Karachi campuses
Course Fee:
40,000 PKR ($800)

Desire Learning Objective

This course will help you to:

  •  Weld securely and stay away from practices that could represent a peril to others.
  •  Describe wellbeing issues as it relates to shop security, mechanical security and individual wellbeing.
  •  Describe the significant parts and gear utilized as a part of gas tungsten circular segment welding.
  •  Explain the major electrical current stream ideas and use.
  •  Identify the diverse sorts of carbon steels, aluminum, magnesium, stainless steels by number and physical and mechanical properties.
  •  Apply legitimate use of free hand and strolling the-glass strategies.
  •  Understand multi-dots and its applications in gas tungsten circular segment welding.
  •  Select the best possible joint configuration to encourage the welding of various thicknesses.
  •  Select the right filler materials to meet particular welding techniques.
  •  Weld ferrous and non-ferrous metals with the gas tungsten curve welding process.
  •  Describe wellbeing dangers connected with gas tungsten circular segment welding.
  •  Join carbon steel, stainless steel and aluminum in the level position worthy to guidelines, for example, AWS or ASME.
  •  Understand multi-beading and application in gas tungsten curve welding for the welding of channel and tube.
  •  Select appropriate joint outline to encourage the welding of various thickness of channel and tube.
  •  Select fitting joint layout to empower the welding of different thickness of channel and tube.
  •  Select the best possible filler materials for welding different combinations.
  •  Exhibit systems regularly used to weld pipe and tube in the 1G, 2G, 5G and 6G positions.
  •  Comprehend the troubles when welding pipe or tubes where confinements are included
  •  what's more, apply already realized aptitudes to finish the undertaking.
  •  Comprehend satisfactory quality principles and testing methodology identified with channel welding.
  •  Depict the physical and mechanical properties of metals as identified with gas tungsten bend welding.
  •  Use fitting scientific abilities and capabilities to take care of connected issues.
  •  Complete minor repairs to welding hardware and frill.
  •  Depict the fitting, tubing and tungsten utilized as a part of the orbital tube welding process. 

 

Instructional Techniques

We impart knowledge and Practical Training in following way:

Ethics, discipline, motivation, health and safety training:  Half an hour daily            (10%) 

Theoretical knowledge:                                                                   One (01) hour daily              (25%)

Hands on Training:                                                                                Six (06) hour daily                (65%)

 

COURSE CONTENTS:

Safety Precautions

  •          Electrical shock
  •          Radiation hazards of Gas Metal Arc Welding
  •          Compressed gases
  •          Air contamination
  •          Emergency shop procedures
  •          Generalized safety in shop
  •          Safety in the welding environment
  •          Safety while dealing with Oxy-fuel Gas Welding and cutting
  •          safety while arc welding and cutting
  •          Resistance welding safety
  •          Safety measurements during welding robots
  •          Special safety measurements for welding process

GMAW

  •          Principles of GMAW
  •          power sources of GMAW
  •          Setting up the GMAW station
  •          Metal preparation for welding
  •          Electrodes extension
  •          procedures of welding
  •          Shutting down the station
  •          Welding joints in the flat welding position
  •          Welding joints in the horizontal welding position
  •          Welding joints in the vertical welding position
  •          Welding joints in the overhead welding position
  •          Gas Metal Arc Spot Welding

 Equipment and supplies of GMAW

  •          Arc Welding station of the Gas Tungsten
  •          GTAW  Arc Welding Power Sources
  •          AC waves, Balanced and unbalanced
  •          Use of  Shielding gases with GTAW
  •          GTAW with Electrode leads and hoses
  •          torches of GTAW
  •          Tungsten electrodes
  •          Fillers metals used with GTAW
  •          The GTAW station
  •          GTAW shielding gases
  •          GTAW electrodes
  •          Smoke-extracting systems
  •          Accessory devices/gadgets
  •          Filter lenses or utilize in gas-shielded & arc welding
  •          Protective clothing

GMAW Torch Setup3

  •          Contact tips
  •          Diffusers
  •          Filler rod selection

GMAW Power Source Settings

  •          Polarity settings
  •          Amperage control
  •          Voltage control
  •          Wire speed

GMAW Flow meter

  •          Shielding gas selection
  •          GMAW flow meter components
  •          Flow meter settings

Establishing an Arc

  •          Filler rod extension
  •          Torch angles

Weld Bead Parameter

  •          Bead width
  •          Penetration
  •          Ripple appearance
  •          Travel speed
  •          Push method
  •          Drag method

G. Selected Joint Designs - Mild Steel

  •          Flat - no filler
  •          Flat - filler
  •          T-joint - horizontal-2F
  •          T-joint - vertical-3F
  •          T-joint - overhead-4F
  •          Lap joint

Selected Joint Designs - Aluminum

  •          Flat - no filler
  •          Flat - filler
  •          T-joint - horizontal-2F
  •          T-joint - vertical-3F
  •          T-joint - overhead-4F
  •           Lap joint