目录 前言 ............................................................................................................................... 2 1、数控机床进给系统概述 ......................................................................................... 2 1.1 伺服进给系统概述 ......................................................................................... 2 1.2 伺服进给系统分类 ......................................................................................... 3 1.3 伺服进给系统的基本要求 ............................................................................. 3 1.4 主要设计任务 ................................................................................................. 3 2.1 确定滚珠丝杠副的导程 ................................................................................. 3 2.2 确定当量转速与当量载荷 ............................................................................. 3 2.3 预期额定动载荷 ............................................................................................. 4 2.4 确定允许的最小螺纹底径 ............................................................................. 6 2.5 确定滚珠丝杠副的规格代号 ......................................................................... 7 2.6 确定滚珠丝杠副预紧力 ................................................................................ 7 2.7 行程补偿值与与拉伸力 ................................................................................. 7 2.8 确定滚珠丝杠副支承用的轴承代号、规格 ................................................. 8 2.9 滚珠丝杠副工作图设计 ................................................................................. 8 2.10 电机选择 ....................................................................................................... 9 2.11 传动系统刚度 ............................................................................................. 1 1 2.12 刚度验算及精度选择...
