APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE

Jiang Zhengyi. APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE[J]. STEEL PIPE, 1991, 20(1): 42-45.

Citation:

Jiang Zhengyi. APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE[J]. STEEL PIPE, 1991, 20(1): 42-45.

Citation:

Jiang Zhengyi. APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE[J]. STEEL PIPE, 1991, 20(1): 42-45.

Abstract

The critical value of the spiral raising angle during the formation of an internal spiral-ribbed tube is derived with the model of spiral pair. It is coincident with the experiment result, which hence provides references for designing dies for internal spiral-ribbed tubes.

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