The technology and technological conditions of electric resistance welding in the shape of a crossof rods made of aluminum alloys are described in the article. “Technological peculiarities ofelectric resistance welding of interesting crosswise rods made of aluminium alloys”. The valueof penetration of rods made of alloy AD1 was investigated. Dependences for calculations ofthe penetration degree of two intersecting cruciform rods made of an aluminum alloy AD1 wasobtained. Welding conditions of electric resistance welding of rods made of an aluminum alloyAD1 with diameters 4,3 mm, 3,2 mm, 2,5 mm were selected in practice. Cyclical diagrams onthe changing effort of welding electrodes compressing and a forced restriction of compressioneffort of welding electrodes were made. It was determined that forced restrictions of reliefpenetration(settling) influences perfectly the strength of the welding joint
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