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ID:5201982
大小:1.69 MB
页数:20页
时间:2017-12-06
《手工焊接常见缺陷毕业设计论文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、南京信息职业技术学院毕业设计论文作者周德付学号21223P43系部机电学院专业电子组装技术与设备题目手工焊接常见缺陷指导教师余日新评阅教师完成时间:2015年月日16毕业设计(论文)中文摘要题目:手工焊接常见缺陷摘要:虽然在现代化的电子产品的批量生产中广泛采用了回流焊、波峰焊等先进自动化焊接技术,但手工焊接在电子产品生产和维修中的地位永远不可能被替代,仍然有着广泛的应用,但手工焊接无法避免出现缺陷。因此,着重研究手工焊接出现的缺陷问题。本文首先介绍了手工焊接技术和手工焊接技术的应用与发展,然后讲解了手工焊接的基本原理与工艺,最终讨论手工焊接的常见缺陷问题及其危害,分析原因,找到缺
2、陷的预防措施,减少手工焊接中出现的缺陷,提高产品质量。关键词:手工焊接焊接方法焊接要求焊接缺陷16毕业设计(论文)外文摘要Title:CommondefectsofmanualweldingAbstract:Althoughtheelectronicproductsinthemodernproductionhasbeenwidelyusedinreflow,wavesolderingandotheradvancedautomaticweldingtechnology,butthehandsolderinginelectronicproductmanufacturingandrep
3、airinthepositionthatcanneverbereplaced,thereisstillawiderangeofapplications,butcannotavoidthedefectsofmanualwelding.Therefore,focusesonthedefectsofwelding.Thispaperfirstintroducesthedevelopmentandapplicationofweldingandmanualweldingtechnology,andthenexplainedthebasicprincipleandprocessofmanua
4、lwelding,thefinalquestionofcommondefectsofmanualweldinganditsharm,causeanalysis,findthedefectpreventionmeasures,reducethedefectsofmanualwelding,improvethequalityofproducts.Keyword:ManualweldingWeldingmethodWeldingrequirementsWeldingdefects16目录1引言·························12手工焊接概述··············
5、·······12.1手工焊接定义····················12.2手工焊接用途····················12.3电烙铁分类·····················12.4电烙铁的选用····················22.5电烙铁的使用方法··················32.6电烙铁的使用要求··················32.7焊锡丝拿法·····················32.8手工焊接相关辅料··················43手工焊接基本原理与工艺················53.1手工焊接原理·······
6、·············53.2手工焊接必须具备的条件···············53.3手工焊接五步骤···················63.4手工焊接SMT元件焊接方法··············64手工焊接产生的缺陷及解决方法·············74.1焊接缺陷定义····················74.2手工焊接缺陷危害··················84.3手工焊接缺陷····················8结论·························15致谢·························16参考文献·······
7、················16161引言现在焊接方式越来越多,自动化程度越来越高,但电子产品生产企业也离不开手工焊接。手工焊接可以完成机器焊接不了的工作产品,尤其是在设备故障修理。手工焊接对操作者经验要求特高,经验直接对产品的质量造成影响,焊点缺陷会降低产品的可靠性,质量没有保障。因此,必须要重视手工焊接缺陷,研究手工焊接缺陷的危害与预防措施,才能提高产品质量。2手工焊接概述2.1手工焊接定义手工焊接由人使用电烙铁等加热工具,在助焊剂的辅助下,将低熔点的焊料融化并使之扩散到
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