基于PLC的钢丝圈内周长测量仪-精密仪器技术及机械专业论文.docxVIP

基于PLC的钢丝圈内周长测量仪 基于PLC的钢丝圈内周长测量仪 摘 要 轮胎钢丝圈的作用是赋予胎圈必要的强度和刚性，其质量直接影响轮胎的 使用寿命及汽车的安全性。由于现在在线检测系统在企业中的应用越来越宽， 所涉及到的测量范围越来越广、内容越来越多、对测量的要求也越来越高，国 内现在已有不少在线检测系统，但很多系统存在功能不全、操作复杂，并且对 测试环境要求较高等问题。人们需要一种应用范围广、性价比高的在线检测系 统。 本文介绍的一种柔性封闭线材长度在线检测系统，主要介绍的是基于PLC 的柔性封闭线材长度的测量。详细介绍了一种用于轮胎钢丝圈内周长测量的一 套系统，本文主要介绍了基于PLC的钢丝圈内周测长仪的机械结构、测量原理 及电控单元的硬件和软件设计。采用PLC对钢丝圈内周测长仪进行自动控制， 有效地提高了设备的抗干扰能力，使该设备的精度得到很大的提高，同时测量 的结果可达到±0．1mm而且性能稳定可靠。 关键词：钢丝圈、在线检测、PLC、内周长测量仪 IV The The Instrument of the length of flexible closure Materials Measurement System based on PLC Abstract The role of the traveler is to give the bead the necessary strength and rigidity， SO firmly fixed in the tire rims，its direct impact on the quality of life of the tire and vehicle safety．As the online testing system is now used more and more in the enterprise wide measurement range involved more extensive，more and more content，more and more demands on the measurement of high-line testing has been dealt with internally system，but there is a lot of system failure，complicated operation，and environmental requirements of the test were higher．People need a wide range of applications，cost-effective on·line detection system． This article describes a flexible wire length of the line closed detection system，introduces the PLC．based measurement of the length of flexible wire closure．Details of a steel wire for tire circumference measurement of a circle system，this paper introduces the PLC-based wire circle week length gauge mechanical structure，measuring principle and ECU hardware and software design· PLC on the wire circle with length measuring instrument for control week，while using an inertial filtering algorithm to filter noise effectively and improve the equipment of anti．interference ability，SO that the equipment has been greatly implroved accuracy，while measurement results can be achieved 4-0．1 mm and stable performance． KeyWords：Steel Wire Ring、Online testing、PLC、Measuring Inner Perimeter V 插图清单图1-1集中型PLC控制系统结构框图 插图清单 图1-1集中型PLC控制系统结构框图