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Method to Control Ultraviolet Radiation in Welding Processes

Start Date: Thursday, Apr 29,2004

School: School of Engineering, Coimbatore

Funded by:GoI
Method to Control Ultraviolet Radiation in Welding Processes

The funded amount received as a grant from GOI was utilized in establishing a state – of – ;the art welding research laboratory at Ettimadai campus comprising of the following equipment:  

  1. Lincoln ElectricTIG Welding Machine
  2. Lincoln Electric MIG Welding Machine
  3. StellarNet UV Radio-spectrometer
  4. Linear Manipulator
     

The research was aimed at measuring the Ultraviolet Radiation (UV)emanating during welding as the UV radiation is an important consideration for the health of the welders and adequate data in this regard are necessary. In this study, the UV intensities as a function of welding current and distance from the source were measured for TIG an MIG welding processes. It is generally observed that the UV intensities decrease with the distance from the arc source for both cases of TIG and MIG welding processes when the current is held constant. Similarly, the UV intensities were found to increase with increase in the current for both TIG and MIG welding processes. Operating under minimum required current is one way of reducing the impact of radiation in addition to regular use of clothes and goggles.

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