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Main engine lube oil cooler tube to tubesheet welding

by:DIGUANG     2020-09-17
Main engine lube oil cooler tube to tubesheet welding of main engine lube oil cooler tube to tubesheet welding, which has been widely applied at present, due to the pipe hole without slot, and the main engine lube oil cooler tube hole roughness requirement is not high, the pipe end without annealing and polished, so the manufacturing process is simple. Main engine lube oil cooler welding structure of high strength, tensile force, when leakage welding parts, can repair welding, such as must change the main engine lube oil cooler tubes, can use a special tool to remove weld tube leakage, rather than remove the tube expanding and convenient.
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