机械毕业设计（论文）-传动轴的机械加工工艺及夹具设计

Рφ31.4150 -0.39Рφ30.4150 -0.062Рφ30.1150 -0.025Рφ30.0150 -0.013РRa12.5РRa3.2РRa0.8РRa0.8Рφ25k6外圆Р2.6Р1.0Р0.3Р0.1Рφ26.4150 -0.33Рφ25.4150 -0.052Рφ25.1150 -0.021Рφ25.0150 -0.013РRa12.5РRa3.2РRa0.8РRa0.8Рφ20h6外圆Р2.6Р1.0Р0.3Р0.1Рφ21.40 -0.33Рφ20.40 -0.052Рφ20.10 -0.021Рφ200 -0.013РRa12.5РRa3.2РRa0.8РRa0.8Рφ30f7外圆Р2.6Р1.0Р0.3Рφ31.380 -0.46Рφ30.380 -0.052Рφ29.980 -0.021РRa12.5РRa3.2РRa0.8Р加工表面Р工序余量(双边)Р工序尺寸及公差Р表面粗糙度/umР粗车Р半精车Р半精车Р粗车Р半精车Р半精车Р粗车Р半精车Р半精车Рφ29Р2.6Р1.0Р1.4Рφ31.40 -0.46Рφ30.40 -0.062Рφ290 -0.052РRa12.5РRa3.2РRa3.2Рφ24Р2.6Р1.0Р1.4Рφ26.40 -0.33Рφ25.40 -0.052Рφ240 -0.052РRa12.5РRa3.2РRa3.2Р115Р1.5Р(单边)Р1.0Р(单边)Р1140 -0.54Р1150 -0.54РRa12.5РRa3.2Р32Р1.5Р(单边)Р1.0Р(单边)Р310 -0.39Р320 -0.39РRa12.5РRa3.2Р5Р1.5Р(单边)Р1.0Р(单边)Р60 -0.18Р50 -0.18РRa12.5РRa3.2Р370Р2.5Р3700 -0.89РRa12.5Р4.2轴向尺寸的工序尺寸链图