| 球墨铸铁曲轴表面强化处理技术 |
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| 引用本文： | 杨兴华,汤小东,薛茂权.球墨铸铁曲轴表面强化处理技术[J].机械设计与制造,2011(1). |
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| 作者姓名： | 杨兴华 汤小东 薛茂权 |
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| 作者单位： | 1. 江苏大学,机械工程学院,镇江,212013;常州轻工职业技术学院,机械工程系,常州,213164
2. 常州轻工职业技术学院,机械工程系,常州,213164 |
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| 基金项目： | 常州市科技攻关计划(CE20090026); 江苏省高校科研成果产业化推进工程项目(2009-49) |
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| 摘 要： | 柴油机曲轴承受复杂交变的弯曲-扭转载荷和一定的冲击载荷,疲劳断裂是曲轴的主要破坏形式,裂纹源易发生在连杆轴颈与曲臂过渡圆角处,工艺上提高曲轴疲劳强度的方法主要是圆角强化,在其表层形成一定的压应力来实现的。介绍了滚压、淬火、氮化、喷丸、激光冲击强化等工艺方法,分析曲轴强化机理和工艺方法,为提高曲轴使用寿命提供了参考。
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| 关 键 词： | 球墨铸铁曲轴 滚压 淬火 氮化 喷丸 激光冲击强化 |
The surface strengthening techniques of spheroidal graphite cast iron crankshaft |
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| YANG Xing-hua,TANG Xiao-dong,XUE Mao-quan.The surface strengthening techniques of spheroidal graphite cast iron crankshaft[J].Machinery Design & Manufacture,2011(1). |
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| Authors: | YANG Xing-hua TANG Xiao-dong XUE Mao-quan |
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| Affiliation: | YANG Xing-hua1,2,TANG Xiao-dong2,XUE Mao-quan2(1School of Mechanical Engineering,Jiangsu University,Zhenjiang 212013,China)(2Department of Mechanical Engineering,Changzhou Institute of Light Industry Technology,Changzhou 213164,China) |
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| Abstract: | The diesel engine song crankshaft endures the complicated and alternated bending-torsion load and a certain impact load,the fatigue rupture is a main breakage form,the crack source takes place easily at connect the transition chamfer of linkage neck and cranks,the method of improving crankshaft in its craft is to strengthen the chamfer,and the certain compressive stress is formed in its surface.The strengthening methods such as rolling;quenching;shot peening;laser shock processing and etc.were introduced,an... |
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| Keywords: | Spheroidal graphite cast iron crankshaft Rolling Quenching Nitriding Shot peening Laser shock processing |
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