鋼管焊縫100%檢測(cè)的X射線工業(yè)電視檢測(cè)方法

X-Ray Industrial TV Detection Process with 100% Coverage for Welded Steel Pipe Seam Inspection

摘要: 分析了X射線工業(yè)電視檢測(cè)及計(jì)算機(jī)實(shí)時(shí)成像裝置,檢測(cè)鋼管端部焊縫時(shí)存在盲區(qū)的主要原因;介紹了鋼管端部焊縫100%檢測(cè)的3種方法。實(shí)踐表明,在3種檢測(cè)方法中,采用改變圖像增強(qiáng)器接收屏幾何尺寸的方法較優(yōu),可解決采用遮擋板、遮擋器方法時(shí)存在的不足,滿足了對(duì)鋼管端部焊縫進(jìn)行100%檢測(cè)的要求。

Abstract: Analyzed are the major causes for the problem that there exists a blind area,when using the X-Ray industrial TV detection system and the computerized real-time imaging equipment to inspect the end seam of the welded steel pipe,there exists a blind area. Three detection methods with 100% coverage for inspecting weld steel pipe end seam are described. Relevant actual operation results show that among the said three methods,the method involving changing the geometric dimensions of the receiving screen of the image intensifier is comparatively the best one. Thanks to this method,the shortcomings as caused by using the sheltering plate or a sheltering device can be eliminated,and thus the requirement of 100% coverage detection of the pipe-end can be met.