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Pay attention when using honing tubes
What exactly causes concave folds to occur? There are several possibilities: first, the diameter reduction during the cold drawing process is too large or the steel pipe hammer head transitions too quickly; second, the thickness of the pipe wall is uneven and partially too thin; the thirty-year honing equipment is too old and cannot meet the processing requirements of the pipe.
After these numerous improvements, similar bad flaws should be able to be improved.
After these numerous improvements, similar bad flaws should be able to be improved.