曲柄臂

曲柄臂厚度对曲轴强度的影响分析

Influence Analysis of the Thickness of Crank Web on Strength of Crankshaft

曲柄臂侧面圆角车刀的改进设计

Revised Design of Radial Tool for Crank Web Side

多点式操作可通过曲柄臂框架。其结构简单轻便，运作畅顺。

Operations on multi-points are available through the crank arm framework .

词缀使用其中的一个曲柄臂固定螺栓。

Affix using one of the crank arm fixing bolts .

加大连杆轴颈与曲柄臂的过度圆角；

Enlarge the round corners between the conrod shaft necks and the crank arms ;

转动雨刷模组盖，并拆下将雨刷马达曲柄臂固定于雨刷马达输出轴上的螺帽。

Turn the wiper module over and remove the nut that secures the wiper motor crank arm to the wiper motor output shaft .

并计算了轴心轨迹和轴承负荷，为了减少轴承的负荷，分别采用了对曲柄臂施加四平衡块和八平衡块两种平衡方案，并给出了两种方案的对比。

In order to reduce bearing load , the four balancing blocks and eight balancing blocks are applied to this crankshaft , and two results are contrasted .

在考虑曲轴主轴颈、曲柄臂和连杆轴颈的变形以及重力对臂距差影响的基础上，利用有限元分析工具，改进了传统的利用测量臂距差调整曲轴中心轴线的方法。

The adjustment method of crankshaft deflection is improved by the means of FEM , in which the infection of gravity and deformation of crankshaft , crankpin and crank web are included .

该方法首先被应用于分析含裂纹悬臂梁的振动模态，经验证后再用来模拟内拐角处出现裂纹的曲柄臂。

First , the cracked beam element is verified by analyzing the modal of a cracked cantilever beam , and then applied to simulate the crack presented at inner corner of crankshaft .

不同时段最大应力均发生在主轴颈和曲柄臂连接处，因此主轴颈和曲柄臂连接处是结构设计和优化的重点。

The maximum stress of different time interval is all occurred on the joints of main journal and connecting rod journal . Therefore , the joints are important points in the structural design and optimization .

以第3阶和第4阶固有频率振动，位置越靠近曲轴第二个曲柄臂与主轴过渡圆处固有频率越小。

With the third steps and the fourth steps natural frequency vibration , the smaller close to the second crank arm of crankshaft and round place natural frequency of the main shaft transition the position is .

利用有限元法分析曲柄臂厚度对曲轴过渡圆角处应力的减缓作用，分别模拟计算出三种不同结构的曲轴在相同工况下的应力情况。

By means of FEM ( Finite Element Method ), this paper analyzed the relief influence on the thickness of engine cranks web at rounded stress , and solved the stresses distribution of three different structural crankshafts under the same condition .

讨论了曲柄臂厚度改变对结构强度的影响；主轴颈圆角半径和转速改变对最大正应力和剪应力的影响；

The effect of the crank thickness on the structure strength is discussed and the effect of the round radius of the shaft neck and the speed change on the maximum normal stress and the shearing strength are analyzed in detail as well .

在RW系列旋转式驱动器设计采用两个独立的活塞筒，每个活塞有曲柄连接曲轴臂。

The RW Series Rotary Actuator design utilizes two independent piston cylinders , each piston has a crank arm attached to a crankshaft .