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来自维基百科,自由的百科全书
连杆小头与活塞销相连,大头与曲轴的曲柄销相连,将活塞承受的力传给曲轴,并使活塞的往复运动转变为曲轴的旋转运动。[1]
连杆受到压缩、拉伸、弯曲和冲击交变载荷。连杆一般用中碳钢(45#)、合金钢(40Cr)或调质钢(40MnB、40MnVB)经模锻或辊锻而成,然后经过机械加工和热处理。杆身通常做成“工”字形断面,以求在强度和刚度足够的前提下减小质量。为提高疲劳强度,常进行表面喷丸处理。[2]
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