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磨削变质层
相关语句
  grinding affected layer
     The grinding affected layer of carburized and hardened gears has been studied by means of metal-loscopy, microhardness measurment and X-ray diffraction in the paper.
     应用金相法、显微硬度法及X射线衍射法等手段对渗碳淬火齿轮磨削变质层进行了检测与分析.
短句来源
     The results show that The grinding material has an direct effect on the grinding affected layer and the above work is very worthwhile in estimating and optimizing the grinding process to diminish or eliminate the affected layer and to improveg the quality of gear products.
     结果表明,磨削材料对磨削变质层有直接影响. 为正确评估、优化磨削工艺、提高齿轮产品质量提供技术依据.
短句来源
  “磨削变质层”译为未确定词的双语例句
     Influence of Alteration Layer Created by Creep-Feed Grinding on Fatigue Life of M17 Superalloy
     缓进磨削变质层对M17高温合金疲劳寿命的影响
短句来源
     Research of Residual Stress on Alterative Layer for 20Cr_2Ni_4A Gear
     20Cr_2Ni_4A齿轮磨削变质层残余应力研究
短句来源
     In this paper, the grinding tests of carburized and quenched gear made of 20CrMnMo steel were performed with CBN and WA grinding wheels. The effects of wheel material on ground dete-riorative layer, residual stress and surface roughness were investiga-ted.
     本文采用CBN砂轮和WA砂轮对20CrMnMo渗碳淬火齿轮进行了磨削试验,研究了砂轮材质对磨削变质层,残余应力,表面粗糙度等的影响。
短句来源
     Results show that the grinding affected layers are generated.
     结果表明,轴承滚道面形成了磨削变质层
短句来源
  相似匹配句对
     Research on the Characteristics of the Affected Layer of Burnt Surface during Titanium Alloy Grinding
     钛合金磨削烧伤表面变质特性研究
短句来源
     Texture and Assessment of the Microstate of the Damaged Layer on the Grinding Surface
     磨削表面变质微观状态特征与评估
短句来源
     Results show that the grinding affected layers are generated.
     结果表明,轴承滚道面形成了磨削变质
短句来源
     Influence of Alteration Layer Created by Creep-Feed Grinding on Fatigue Life of M17 Superalloy
     缓进磨削变质对M17高温合金疲劳寿命的影响
短句来源
     An Investigation of The Damaged Layer on The Silicon Wafer Surface by SACP Technique
     用SACP技术研究ELID磨削后的单晶硅片表面变质
短句来源
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Grinding metamorphic layers of bearing raceways, which

轴承套圈工作表面的磨削变质层,将导致轴承零件变形、磨损直至裂纹,已引起行业的普遍重视。用磨削状态监视仪临视套圈工作表画的磨削过程,可合理选择磨削参数,避免变质层的产生,并可检验出有变质层的加工零件。文中介绍了该仪器的结构及工作原理。附图1幅,参考文献1篇。

In this paper, the grinding tests of carburized and quenched gear made of 20CrMnMo steel were performed with CBN and WA grinding wheels. The effects of wheel material on ground dete-riorative layer, residual stress and surface roughness were investiga-ted. Experimental results show that as compared with WA wheel,CBN wheel leads to smaller grinding heat, thinner deteriorative layerand larger residual compressive stress. However, "surface roughnessobtained with CBN wheel is not as good as with WA wheel. Contactfatigue...

In this paper, the grinding tests of carburized and quenched gear made of 20CrMnMo steel were performed with CBN and WA grinding wheels. The effects of wheel material on ground dete-riorative layer, residual stress and surface roughness were investiga-ted. Experimental results show that as compared with WA wheel,CBN wheel leads to smaller grinding heat, thinner deteriorative layerand larger residual compressive stress. However, "surface roughnessobtained with CBN wheel is not as good as with WA wheel. Contactfatigue life is slightly increased by CBN grinding.

本文采用CBN砂轮和WA砂轮对20CrMnMo渗碳淬火齿轮进行了磨削试验,研究了砂轮材质对磨削变质层,残余应力,表面粗糙度等的影响。结果表明,与WA砂轮相比,CBN砂轮磨削热小,变质层浅,表面残余压应力大,但粗糙度却不如前者好。CBN砂轮磨削的齿轮,其接触疲劳寿命略有提高。

A systematic study of the changes in composition and structure of surface layers due to the thermo-chemical and thermo-mechanical affects among the wheel, the workpiece and the grinding fluid during precision grinding on carburized steel 20CrNi2 MoA railway bearing has been conducted. Results show that the grinding affected layers are generated. The grinding affected layers on bearing surface consist of absorption layer,oxide layer, white layer,overtempering and plastic deformation layer. The oxide layer is...

A systematic study of the changes in composition and structure of surface layers due to the thermo-chemical and thermo-mechanical affects among the wheel, the workpiece and the grinding fluid during precision grinding on carburized steel 20CrNi2 MoA railway bearing has been conducted. Results show that the grinding affected layers are generated. The grinding affected layers on bearing surface consist of absorption layer,oxide layer, white layer,overtempering and plastic deformation layer. The oxide layer is a mixed structure which consist of Fe and alloy elements oxides, the thickness is not greater than 20nm,the structure of white layer is very fine texture martensite and fine austenite which was elongated in the tangential stress direction.The depth of zone in which the hardness is less than 600HK was not greater than 10μm in the overtemper layer under normally conditions. The thickness of white layer and grinding affected layer incerased as the downfeed was increased.

系统研究了20CrNi2MoA渗碳钢铁路轴承精磨时,由于砂轮、工件与冷却液之间的热-化学与热-机械作用,滚道面的成分与组织变化。结果表明,轴承滚道面形成了磨削变质层。变质层由表至里是由吸附层、氧化层、白层及过回火塑性变形层组成。氧化层是Fe与合金元素氧化物组成的混合结构,并存在Si的表面富集。氧化层厚度不超过20nm。白层的组织为细化了的高碳织构马氏体与沿磨削切应力方向拉长了的细小的奥氏体。在过回火层中,硬度低于600HK的区域不超过10μm。变质层的总厚度及白层厚度均随砂轮径向进给速度增加而加厚。

 
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