| 抽油机人字齿轮表面裂纹分析 |
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| 引用本文： | 董加坤,张子瑜.抽油机人字齿轮表面裂纹分析[J].理化检验(物理分册),1999,35(3):135-137. |
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| 作者姓名： | 董加坤 张子瑜 |
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| 作者单位： | 大庆石油管理局总机械厂 庆吉163212 |
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| 摘 要： | 采用金相和扫描电镜等手段，对抽油机人字齿轮轴孔及外圆表面裂纹进行了分析，结果表明，退火温度过高，导致齿轮出现严重过热，在淬火应力的作用下使齿轮沿过热晶界开裂，形成表面裂纹。
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| 关 键 词： | 抽油机 人字齿轮 表面裂纹 石状断口 过热 |
SURFACE CRACK ANALYSIS ON DOUBLE-HELICAL GEAR FOR CRUDE OIL DRAWING MACHINE |
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| Dong Jiakun Zhang Ziyu Zhu Bin Tian YeGeneral Machinery Factory,Daqing Oil Administrative Bureau.SURFACE CRACK ANALYSIS ON DOUBLE-HELICAL GEAR FOR CRUDE OIL DRAWING MACHINE[J].Physical Testing and Chemical Analysis Part A:Physical Testing,1999,35(3):135-137. |
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| Authors: | Dong Jiakun Zhang Ziyu Zhu Bin Tian YeGeneral Machinery Factory Daqing Oil Administrative Bureau |
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| Abstract: | Surface crack on the double-helical gear for crude oil drawing machine application was analysed by metallographic examination and scanning electron microscopy. Results indicated that the gear was severe over-heated due to high annealing temperature. Under quenching stress, crack initiated at over-heated grain boundary, leading to gear surface crack. |
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| Keywords: | Oil drawing machine Double-helical gear Surface crack Granular morphology Over-heat- |
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