Maurice Tutor

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Category > Management Posted 06 Nov 2017 My Price 4.00

unit melting energy

An RSW operation is used to join two pieces of sheet steel having a unit melting energy of 130 Btu/in3. The sheet steel has a thickness of 1/8 in. The weld duration will be set at 0 25 sec with a current of 11,000 amp. Based on the electrode diameter, the weld nugget will have a diameter of 0.30 in. Experience has shown that 50% of the supplied heat melts the nugget and the rest is dissipated by the metal. If the electrical resistance between the surfaces is 130 micro-ohms, what is the thickness of the weld nugget assuming it has a uniform thickness?

 

 

 

 
 

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Maurice Tutor
(5)
Status NEW Posted 06 Nov 2017 08:11 PM My Price 4.00

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