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penetration microscope

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长方光学
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Shanghai
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Shanghai Changfang Scientific Instrument Co

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 焊接熔深检测技术--测量焊接熔深的显微镜|熔深检测显微镜|溶深检测显微镜

 随着焊接工艺的不断发展和焊接技术的提高,各个行业对焊接质量的要求也越来越高。产业升级迫在眉睫,而焊接质量的检测对机械制造行业的产业升级至关重要,针对这种情况,上海长方光学仪器厂开发了针对行业标准(HB5282-1984 结构钢和不锈钢电阻点焊和缝焊质量检验,HB5276-1984铝合金电阻点焊和缝焊质量检验)焊接质量检测的系统,该系统配备样品焊点切割,预磨,抛光,化学处理单元,熔深显微镜系统(ZOOM-660E)及平面影像测量系统(CF-2000C)。该系统可以对焊接产品的对接,交接,搭接和T型焊接部分的熔深情况进行成像,编辑,测量,数据导出,及报告打印等。下面是上海光学仪器厂的产品实际切割,拍摄及测量结果,此套系统相比同类产品具有成像清晰,对比度高,精度高的特点。能实现最完美的真彩观察和照相效果

           

更多具参数                           更多体参数                  

焊接检验内容包括从图纸设计到产品制出整个生产过程中所使用的材料、工具设备、工艺过程和成品质量的检验,分为三个阶段:焊前检验、焊接过程中的检验、焊后成品的检验。检验方法根据对产品是否造成损伤可分为破坏性检验和无损探伤两类。

1焊前

     焊前检验包括原材料(如母材、焊条、焊剂等)的检验、焊接结构设计的检查等。

2焊接程中的检验

     包括焊接工艺规范的检验、焊缝尺寸的检查、夹具情况和结构装配质量的检查等。

3焊后品的检验

焊后成品检验的方法很多,常用的有以下几种:

光学显微镜(主要方法:焊接熔深显微镜)

1)外观检验

     焊接接头的外观检验是一种手续简便而又应用广泛的检验方法,是成品检验的一个重要内容,主要是发现焊缝表面的缺陷和尺寸上的偏差。一般通过肉眼观察,借助标准样板、量规和放大镜等工具进行检验。若焊缝表面出现缺陷,焊缝内部便有存在缺陷的可能。

2)致密性检验

     贮存液体或气体的焊接容器,其焊缝的不致密缺陷,如贯穿性的裂纹、气孔、夹渣、未焊透和疏松组织等,可用致密性试验来发现。致密性检验方法有:煤油试验、载水试验、水冲试验等。

3)受压容器的强度检验

     受压容器,除进行密封性试验外,还要进行强度试验。常见有水压试验和气压试验两种。它们都能检验在压力下工作的容器和管道的焊缝致密性。气压试验比水压试验更为灵敏和迅速,同时试验后的产品不用排水处理,对于排水困难的产品尤为适用。但试验的危险性比水压试验大。进行试验时,必须遵守相应的安全技术措施,以防试验过程中发生事故。

4)物理方法的检验

     物理的检验方法是利用一些物理现象进行测定或检验的方法。材料或工件内部缺陷情况的检查,一般都是采用无损探伤的方法。目前的无损探伤有超声波探伤、射线探伤、渗透探伤、磁力探伤等

 

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