Xu Shiping, Lei Shihua. EXPERIMENT ON MONO-CONIC ROLL IN TWICE-PIERCING[J]. STEEL PIPE, 1992, 21(3): 34-35,43.
    Citation: Xu Shiping, Lei Shihua. EXPERIMENT ON MONO-CONIC ROLL IN TWICE-PIERCING[J]. STEEL PIPE, 1992, 21(3): 34-35,43.

    EXPERIMENT ON MONO-CONIC ROLL IN TWICE-PIERCING

    • The experiments and the features of mono-conic roll groove in twice-piercing on 76mm tube mill are presented, and the comparison of the groove with other type grooves is made,
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