以下为句子列表：
英文: Abstract: This paper puts out the edge shapes curvilinear equations,of the edge shapes of double circular gear hob, and analyzes the tooth surface's characterist.It also points out that the gear hob is a kind of approximate shape building cutting too ls i
中文: 文摘:本文提出了直槽双圆弧齿轮滚刀刃形曲线方程式，并进一步分析了该滚刀的齿面特性，指出该滚刀从整个使用过程看，是一种近似造型的刀具。
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英文: After synthetically studying the effects of loading positions, rim thickness, circular pinion numbers and fillet radii of gear hob on root section stresses, a judging formula of plane stress and plane strain is proposed and verified, then 2D and 3D FEM mo
中文: 系统探讨了加载位置、轮缘厚度、周向齿数的确定方法，分析了滚刀顶部圆角对齿根应力的影响，提出了两类平面问题的判据并予以验证。
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英文: The wastage morphology and reasons of gear hob used in production are analyzed, the influence of the varying hobbing torque and temperature on wastage of hob is discussed in hobbing process.
中文: 摘要对生产中使用的齿轮滚刀磨损和破损形貌进行了分析，探讨了滚刀磨损和破损的原因及滚齿过程中滚削力和滚削温度的变化对滚刀磨损和破损的影响。
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