| 用约束分流法冷锻成形高精度直齿圆柱齿轮 |
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| 引用本文： | 寇淑清,杨慎华,黄良驹,傅沛福.用约束分流法冷锻成形高精度直齿圆柱齿轮[J].吉林大学学报(工学版),2000,30(2):19-23. |
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| 作者姓名： | 寇淑清 杨慎华 黄良驹 傅沛福 |
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| 作者单位： | 吉林工业大学辊锻工艺研究所!吉林 长春 130025 |
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| 摘 要： | 以实用化为目标，对１５＃、４５＃、２０ＣｒＭｎＴｉ钢质直齿圆柱齿轮冷精锻工艺进行了系统研究，提出了闭式锻挤－约束孔分流两步成形实用化工艺方案和基于变位理论的齿形凹模修正设计方法。研究结果表明，两步成形法是降低直齿圆柱齿轮冷精锻成形力的有效方法，采用本文提出的齿形凹模修正设计方法可获得较高的齿形精度。
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| 关 键 词： | 直齿圆柱齿轮 冷精锻 约束分流 实用化工艺 |
| 收稿时间： | 1999-06-17 |
| 修稿时间： | ： |
The
Applications of Constrained Divided-flow Technique to
Cold Precision Forging Spur Gears |
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| KOU Shu-qing,YANG Shen-hua,HUANG Liang-ju,FU Pei-fu.The
Applications of Constrained Divided-flow Technique to
Cold Precision Forging Spur Gears[J].Journal of Jilin University:Eng and Technol Ed,2000,30(2):19-23. |
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| Authors: | KOU Shu-qing YANG Shen-hua HUANG Liang-ju FU Pei-fu |
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| Affiliation: | Roll-forging Research Institute, Jilin University of Technology, Changchun130025, China |
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| Abstract: | With the aim of the practical production, the cold precision forging technology of spur gears are researched systematically for 15#, 45# and 20 CrMnTi steel. The two-step forming technology combined closed die-forging with constrained hole divided-flow is presented. The updated design method of teethshape die based on addendum modification theory is proposed. The results show that the two-step forming technique is very effective on decreasing cold precision forging load of spur gears and the cold forged 20 CrMnTi steel spur gears have higher precision by applying the teeth-shape modification method proposed. |
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| Keywords: | spur gear cold precisions forging constrained divided-flow practical technology |
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