摘要

数控机床即数字程序控制机床，是一种自动化机床，数控技术是数控机床研究的核心，是制造业实现自动化、网络化、柔性化、集成化的基础。随着制造技术的发展，现代数控机床借助现代设计技术、工序集约化和新的功能部件使机床的加工范围、动态性能、加工精度和可靠性有了极大的提高。

本文主要设计X716数控铣床Z向进给系统设计部分，机械结构采用直流伺服电机与滚珠丝杠直接相连的方式，其控制方式采用直流伺服驱动系统半闭环控制。在对进给系统机械结构进行设计的过程中，主要对滚珠丝杠螺母副和直线滚动导轨副进行了计算、校核，确保了机械传动部件的精度和刚度；通过计算，选择了电气驱动部分，包括直流伺服电机和与之匹配的伺服单元。

关键词：直线滚动导轨；滚珠丝杠螺母副；直流伺服电机

Abstract

NC machine tool is the digital process control machine tool, is an automated machine tools, CNC technology is the core of numerical control machine tool research, is the manufacturing industry that realizes the automation, network, flexible, integrated foundation. With the development of manufacturing technology, modern CNC machine tools with the aid of the modern design technology, process intensification and the new function part make machine processing range, dynamic performance, the processing precision and reliability are greatly improved.

In this paper, the main design X716 Z milling machine CNC feed system design part, the mechanical structure of DC servo motor and ball screw directly connected, the control of DC servo drive system semi closed loop control. On the feeding system of the mechanical structure of the design process, mainly on the ball screw nut pair and the linear rolling guideway were calculated, verification, to ensure that the mechanical transmission precision and rigidity; by calculating, chose electrical driving part, including DC servo motor and the matched servo unit.

Key words: Linear rolling guide; ball screws; DC servo motor

xk716数控机床z向直流伺服进给系统系统设计

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