本科毕业设计(论文)题目：数控车床电动刀架 PLC 控制的设计 教学单位： 机电工程系 专 业： 机械设计制造及其自动化 学 号： 0811050502 姓 名： 吴启龙 指导老师： 徐开良 2024 年 5 月精品文档---下载后可任意编辑摘 要数控车床今后将向中高当进展，经济型数控刀架配套，采纳电动刀架，估计近年来对数控刀架需求量将大大增加。数控刀架的进展趋势是：随着数控车床的进展，数控刀架开始向快速换刀和伺服驱动方向进展。本部分主要对常州宏达公司生产的 LD4B 电动刀架四工位立式电动刀架的 PLC 车床控制设计，并对电动刀架的电路设计，从刀架的结构和工作原理深刻分析，着重讨论了数控机床刀架的机械结构以及电气控制原理，PLC 控制，霍尔元件的原理机应用。回转刀架的换刀动作分为刀盘抬起、刀盘转位和刀架锁紧三个动作，刀盘转位则由普通三相异步电动机来驱动。刀盘转位动作的实现经以下步骤：数控系统发出刀盘转位的命令→三相异步电动机启动→涡轮蜗杆转动→刀架主轴转动→实现刀盘转位。关键词 ：经济型数控车床 ；车床刀架 ； PLC 控制电动刀架AbstractNumerical control lathe, will in the future high when to development, economic l, in recent years on the nc tool is expected to demand will increase greatly. Nc tool is the development trend of: along with the development of the CNC lathe, CNC tool began to change cutters quickly and servo drive direction. The main part of changzhou HTC company produces the LD4B electric tool 4 Labour vertical electric tool PLC lathe control design, and the electric tool circuit design, tool from the structure and working principle of profound analysis, this paper studies the numerical control machine tool and mechanical structure of the electric control principle, PLC control, the principle of the hall element machine applications.Rotary tool for knife actions are divided into the knife dish up the, the knife dish inversion and tool carrier lock three movements, the knife dish inversion is by ordinary three-phase asynchronous motor...
