基于轴向推进增量式滚轧的齿类零件成形装备及试验研究
冯东晓 ( 中国重型机械研究院股份公司 )
苏振华 ( 中国重型机械研究院股份公司 )
范玉林 ( 中国重型机械研究院股份公司 )
于黎明 ( 台海玛努尔核电设备有限公司 )
石鑫生 ( 中国重型机械研究院股份公司 )
崔敏超 ( 西北工业大学 )
https://doi.org/10.37155/2717-5197-0703-79Abstract
本文首先介绍了一种轴向推进增量式滚轧成形的齿类零件成形工艺,以花键轴为试验对象,在轴向进给 增量式滚压成形装置中进行了初步的试验探索,对不同尺寸的坯料和模具的转速进行了滚压测试。研究发现:当坯料 直径为50.85毫米时,花键轴的横截面上齿顶部分明显出现了拉尖的情况。各个花键轴的齿根圆直径普遍存在略微的超 标现象,其平均偏差大约为 0.47mm。各模具转速下成形花键轴的齿形齿顶较为平整,齿廓形状一致。对比花键轴齿 形的测量结果可知,在多种模具转速条件下,所形成的花键轴其齿顶端圆直径保持相近,而齿根部位圆直径的偏差大 致在 0.5mm左右。该成果证实了采用轴向进给增量式滚轧技术进行外花键一体化成形与成性加工的实用性,同时为 该工艺的进一步开发与应用奠定了理论基础。
Keywords
齿类零件;制造工艺;滚轧成形;花键轴Full Text
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