焊接自动化论文.doc

------------------------------------校验:_____________--------------------------------日期:_____________焊接自动化论文题目:焊缝跟踪用传感技术研究现状及发展趋势选修课程:二级学院:学号:姓名:指导老师:目录目录····················································1摘要····················································2前言····················································21焊缝跟踪用传感技术研究现状······················································3 ················································································································3电弧传感器····················································································································5视觉传感器·······································52焊缝跟踪技术的发展趋势································8结束语···················································8参考文献·················································9焊缝跟踪用传感技术研究现状及发展趋势摘要:随着科技水平的进步,人们对焊接质量的要求也越来越高。而人工焊接时,由于受到技术水平、疲劳程度、责任心、生理极限等客观和主观因素的应影响,难以较长时间保持焊接工作的稳定性和一致性。而且,由于焊接恶劣的工作条件,愿意从事手工焊接的人在减少,熟练的技术工人更有短缺的趋势。另一方面,电子技术、计算机技术、数控及机器人技术的发展为焊接过程的自动化提供了有利的条件,并已渗透到焊接的各个领域。本文介绍了和分析了弧焊过程中典型的焊缝跟踪传感器的原理、特点及应用发展情况。Abstract:Alongwiththeprogressofscienceandtechnology,,duetothetechnicallevel,fatigue,thesenseofresponsibility,physiologicallimitandtheobjectiveandsubjectivefactorsshouldinfluence,,duetoweldingthebadworkingconditions,arewillingtoengageinhandweldingindecrease,,putertechnology,numericalcontrolandthedevelopmentofrobottechnologyforweldingprocessautomationprovidesfavorableconditions,,:焊缝跟踪、传感器、传感技术、焊接自动化前言:在金属制造业中,焊接是仅次于装配和机械加工的第三大产业。然而,目前90%的焊接工作都是手工完成的。焊接过程中存在着强烈的热、烟尘和弧光,工作环境非常恶劣,对工人的体能消耗很大。据统计,工人实际焊接的时间不足其工作时间的30%,因而效率很低。