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measurement of the undercut

undercut - Is a sharp and cone-shaped recess at the border of the surface of the weld with the base metal

  • position the welding gauge at a minimum distance  from the part of the weld where there is an undercut 

  • For greater stability  of the welding gauge when taking measurements, use the pivots 

˟ красным цветом выделен параметр, подлежащий измерению

  • Adjust the linear member 3 so that the taper gauge 5 is above the point of measurement (the position of the greatest depth of the cut). 
  • Lower the top High-Lo arm 4 so that the taper gauge 5 makes contact with the surface of the inspected object at the point of measurement. 
  • Take the value of the desired parameter h from the vertical scale H as illustrated

Using the calculator, you can determine the desired value of the from the measured parameters