1、 I 基于 PLC 的 SGA747 型剑杆织机控制设计 系统设计系统设计 摘摘 要要 The Design of the Pipe Bender Expressure Experiment Machine Control System Control System Section Abstract The Pipe Bender experiment machine is profession heavy duty machinery equipment in the machine manufacture, is one of symbols that weighs a country m
2、achine manufacture level and ability. Bending machine as the main distributor of the key components of its design and scientific rationality to the bending machine of the overall performance of the mentioned. The design and manufacture of our country forging pump press has experienced the process wh
3、ich the study,imitates unceasingly improving. The paper introduces the principle of the Pipe Bender experiment machine, analyses the hardware composition , The operating results are fully approved. PLC in adverse circumstances than the relays, contacts with safe, reliable, durable. To hydrostatic te
4、sting machine programming controller programming for example, on a hydraulic, pneumatic, electrical system under the joint control of programmable design methods. Keywords: Pipe Bender experiment machine, programme-logic Controller, control system i 目 录 中文摘要中文摘要 I I AbstractAbstract I I 1 1 绪论绪论 1 1 1.1 课题背景 1 1.2 课题研究的意义 1 1.3 国内外研究现状及发展方向 1 1.4 本文研究的主要内容 1 1.5 论文结构 2 2 2 弯管机原理系统结构分析弯管机原理系统结构分析 3 3 2.1 弯管机的工作原理 3 2.2 中频加热弯管机的机械装置 3 2.3 中频加热弯管机的液压系统 3 2.4 弯管机中频加热系统 4 2.5 PLC 控制系统 .