Distribution of contact stress and contact status of dovetail joint are obtained,and the location of fretting fatigue crack predicted.

進一步應(yīng)用該位置處的應(yīng)力場和接觸狀態(tài)進行結(jié)構(gòu)的壽命預(yù)測自拍偷拍欧美色图一区，通過燕尾榫連接結(jié)構(gòu)的低周微動疲勞試驗97AAAAA免费毛片，獲得了壽命預(yù)測模型中的相關(guān)參數(shù)国产高清无码202。

Distribution of contact stress and contact status of dovetail joint are obtained, and the location of fretting fatigue crack predicted.

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A factor of friction power is considered during fatigue, and a new model for predicting fretting fatigue life under low cycle load is presented based on a nominal stress method. For dovetail joint, the problem of elastic contact is solved using the finite element method.

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Fretting fatigue ; life prediction ; low cycle fatigue ; dovetail joint ; nominal stress method

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The sides of the box are connected with hand-cut dovetail joints, and the top and bottom are held in place by grooves cut in the top and bottom.

盒子的4個側(cè)面之間采用手工切削的燕尾榫接合方式，盒子的頂面和底面開槽手机看片1024精品国产，盒子側(cè)面的頂端和底端卡在槽內(nèi)手机黄片www。

The paper begins with the analysis of measurement errors of parallelism of dovetail slots,then studies the working principle and the ratio of amplification for dial test indicator .

從分析工件燕尾槽平行度測量誤差入手，深入研究杠桿千分表工作原理和傳動放大比公式久久r热这里有精品视频，討論了產(chǎn)生誤差的各種因素www.一级黄色网站一区二区三区，并提出了校正誤差的相應(yīng)方法