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Appts. for electric heating of circular joint - between two circular workpieces prior to welding of thick walled vessel for nuclear industry
Appts. for electric heating of circular joint - between two circular workpieces prior to welding of thick walled vessel for nuclear industry
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机译:Appts。圆形接头的电加热-在核工业用厚壁容器焊接之前,在两个圆形工件之间
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摘要
A heating annulus is suspended from two cross pieces fixed to a beam. This heating annulus is made up of a number of heating modules mechanically connected to each other and each containing an electric heating resistance. The heating annulus is designed to be positioned at the inside of circular workpieces which are to be welded together in order to produce a homogeneous thermal flux for heating the lips which form the joint between the two circular workpieces. The homogeneous thermal flux is maintained by a regulating device connected to the heating modules.
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