非接触式超声传感焊缝跟踪研究  

STUDY ON SEAM TRACKING WITH CONTACTLESSULTRACONIC SENSOR

作　　者：张绍彬[1] 候文考 胡绳荪[1] 赵家瑞[1] 

机构地区：[1]天津大学

出　　处：《机械工程学报》1996年第1期45-49,共5页Journal of Mechanical Engineering

摘　　要：通过声、电匹配技术使非接触式超声传感器的灵敏度由３．３％提高到２６％，从而首次实现了双棱边非接触式超声传感焊缝自动跟踪。设计了聚焦透镜，使声束焦点直径达到了０．５ｍｍ，并通过软、硬件技术使超声传感焊缝横向跟踪精度达到０．５ｍｍ。The sensitivity of contactless ultrasonic sensor is improved from 3.3% to26% through acoustic, electric matching technique. Along {wo crest lines auto seam tra-cking is firstly realized with contactless ultrasonic sensing. The focused acoustic lens isdesigned with the best of care, the diameter with 0.5mm of sonic beam is achieved,Through software and hardware technique the horizontal precision of seam tracking withultrasonic sensing is to 0.5mm and the vertical precision of that is to 0.2mm.

关 键 词：超声传感器 焊缝跟踪 电弧焊 

分 类 号：TG441.7[金属学及工艺—焊接]