Cf. Li et al., Research on the section distortion of hat-section profiles in rotary draw bending with stretching force, J MATER PR, 94(1), 1999, pp. 41-44
Ln this paper, the relationship between side pressure, stretching force and
the section distortion of LYI2M hat-section profiles in the rotary draw be
nding process with stretching force are studied. The section precision of t
he rotary-drawn bent parts is well improved by the return rotary draw bendi
ng process, and lays the foundation for practice. (C) 1999 Elsevier Science
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