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2. 发明公开

EP2828538A1 MIDDLE WEB CRANKSHAFT HAVING FORGED STRESS RELIEF 失效
标题翻译：中链曲轴有应力消除
公开(公告)号：EP2828538A1
公开(公告)日：2015-01-28
申请号：EP13796389.8
申请日：2013-04-29
申请人： Honda Motor Co., Ltd.
发明人： WALTERS, Steven, K.
IPC分类号： F16C3/08
CPC分类号： F16C3/08 , F16C2220/46 , F16C2240/30 , F16C2240/40 , Y10T29/49286 , Y10T74/2174 , Y10T74/2183
摘要： A forged crankshaft includes a plurality of main journals, a plurality of crank pin journals rotatable in a circular path about axes defined by the main journals, and a plurality of crank webs. At least one crank web of the plurality of crank webs defines a middle crank web which is located between and connects two neighboring crank pin journals of the plurality of crank pin journals. The middle crank web has a stress relief forged therein, which is defined by first and second spaced sidewalls, an inner wall and a base wall. The forged-in stress relief has a predetermined depth, wrap angle, radius, and undercut which together define a shape of the forged-in stress relief. The shape of the forged-in stress relief is controlled to reduce stress in the crankshaft.
摘要翻译：锻造曲轴包括多个主轴颈，多个曲柄销轴颈以及多个曲柄臂，该多个曲柄销轴颈围绕由主轴颈限定的轴线在圆形路径中可旋转。多个曲柄臂中的至少一个曲柄臂限定中间曲柄臂，该中间曲柄臂位于多个曲柄销轴颈中的两个相邻的曲柄销轴颈之间并且连接该曲柄轴颈。中间曲柄腹板具有在其中锻造的应力释放，该应力释放由第一和第二隔开的侧壁，内壁和底壁限定。锻造的应力消除具有预定的深度，包角，半径和底切，它们一起限定了锻造应力消除的形状。控制锻造应力释放的形状以减少曲轴中的应力。

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