MK100的焊丝用混合气 超声波探伤能过吗?

2025-03-27 19:56:03
推荐回答(5个)
回答1:

mk100的焊丝可以用混合气超声波探伤,能过的,只要你操作规范,照着使用操作说明,规范操作就可以通过了。,可以通过,不用担心。

回答2:

超声探伤仪的工作原理类似于无线电雷达,因此,它有固体雷达之称号。超声波探伤的实质是将被检工件处于一个超声场中,工件若无缺陷,超声场在连续介质中是正常分布的;若工件中有缺陷,则超声波在异质介面会产生反射,折射和波形转换等现象。使超声场的正常分布受到扰乱,使用一定的方法,测出这种异常分布相对于正常分布的变化,找出缺陷,并做返修处理,消除危害缺陷.这就是超声波探伤的任务。

回答3:

射线成像技术可以准确的检查出焊口的间隙,及隐患。
超声波探伤,信号对间隙反应较准确,对焊接较薄的隐患无反应

回答4:

今天100个汉子又粉了,地胶装波太伤了,不能过的话,那么这个成交请用换掉那么实际调该题

回答5:

探伤仪在钢铁等行业目前使用比较广泛。奥林巴斯超声波探伤作为无损检测方法之一,是在不破坏加工表面的基础上,应用超声波仪器或设备来进行检测,具有探测距大,装置体积小,重量轻,便于携带,检测速度快,总体检测费用较低等特点。

前几天在论坛中看到很多工友说,不知道如何正确使用奥林巴斯超声波探伤仪,对于图像缺陷性质也判断不准,很是苦恼。今天,笔者就来为大家科普一下奥林巴斯超声波探伤仪常见的缺陷性质判断。

对于探伤仪使用中,内部缺陷的性质的估判以及缺陷的产生的原因和防止措施大体有以下几点:

1.气孔

单个气孔回波高度低,波形为单峰,较稳定。从各个方向探测,反射波大体相同,但稍一移动探头反射波就会消失。密集气孔回波会出现一簇反射波,波高随气孔大小而不同,当探头作定点转动时,会出现此起彼落的现象。产生这类缺陷的原因主要是焊材未按规定温度烘干,焊条药皮变质脱落、焊芯锈蚀,焊丝清理不干净,焊接电流过大,电弧过长等。

2.夹渣

点状夹渣回波信号与点状气孔相似。条状夹渣回波信号多呈锯齿状且波幅不高,波形多呈树枝状,主峰边上有小峰。探头平移时波幅有变动,从各个方向探测时反射波幅也不相同。这类缺陷产生的原因有:焊接电流过小,焊接速度过快,熔渣来不及浮起,各层焊缝清理不干净,母材和焊材材料化学成分不当,含硫、磷较多等。

未焊透
缺陷反射率高,其反射波幅也较高。探头平移时,波形较稳定,在焊缝两侧探伤时均能得到大致相同的反射波幅。其产生原因一般是:坡口钝边间隙太小,焊接电流太小或运条速度过快,坡口角度小,运条角度不对以及电弧偏吹等。

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