內(nèi)螺旋凸筋管螺旋升角的探討
APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE
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摘要: 利用螺旋副模型推導(dǎo)出內(nèi)螺旋凸筋管成形時(shí)螺旋升角的臨界值,該臨界值與實(shí)驗(yàn)結(jié)果相符合,并為內(nèi)螺旋凸筋管的模具設(shè)計(jì)提供了依據(jù)。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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