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鑄件質量檢測方法有哪些

來源:本站整理 秩名 2016-05-21 瀏覽
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作為一家鑄造廠鑄件的質量把控首當其重,質量的把控過程控制很重要,作為最后的鑄件質量檢測也是重要的一道工序,那么鑄件質量檢測方法有哪些呢?鑄件的檢測主要包括尺寸檢查、外觀和表面的目視檢查、化學成分分析和力學性能試驗,對于要求比較重要或鑄造工藝上容易產生問題的鑄件,還需要進行無損檢測工作,可用于球墨鑄鐵件金巴黎彩票質量檢測的無損檢測技術包括液體滲透檢測、磁粉檢測、渦流檢測、射線檢測、超聲檢測及振動檢測等。

鑄件質量檢測方法有哪些

1 、鑄件表面及近表面缺陷的檢測

1.1 液體滲透檢測

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1.2 渦流檢測

金巴黎彩票 WOLIUJIANCESHIYONGYUJIANCHABIAOMIANYIXIAYIBANBUDAYU6~7MMSHENDEQUEXIAN。WOLIUJIANCEFENFANGZHISHIXIANQUANFAHECHUANGUOSHIXIANQUANFA2ZHONG。DANGSHIJIANBEIFANGZAITONGYOUJIAOBIANDIANLIUDEXIANQUANFUJINSHI,JINRUSHIJIANDEJIAOBIANCICHANGKEZAISHIJIANZHONGGANSHENGCHUFANGXIANGYUJILICICHANGXIANGCHUIZHIDE、CHENGWOLIUZHUANGLIUDONGDEDIANLIU(WOLIU),WOLIUHUICHANSHENGYIYUJILICICHANGFANGXIANGXIANGFANDECICHANG,SHIXIANQUANZHONGDEYUANCICHANGYOUBUFENJIANSHAO,CONGERYINQIXIANQUANZUKANGDEBIANHUA。RUGUOZHUJIANBIAOMIANCUNZAIQUEXIAN,ZEWOLIUDEDIANTEZHENGHUIFASHENGJIBIAN,CONGERJIANCECHUQUEXIANDECUNZAI,WOLIUJIANCEDEZHUYAOQUEDIANSHIBUNENGZHIGUANXIANSHITANCECHUDEQUEXIANDAXIAOHEXINGZHUANG,YIBANZHINENGQUEDINGCHUQUEXIANSUOZAIBIAOMIANWEIZHIHESHENDU,LINGWAITADUIGONGJIANBIAOMIANSHANGXIAODEKAIKOUQUEXIANDEJIANCHULINGMINDUBURUSHENTOUJIANCE。

1.3 磁粉檢測

磁粉檢測適合于檢測表面缺陷及表面以下數毫米深的缺陷,它需要直流(或交流)磁化設備和磁粉(或磁懸浮液)才能進行檢測操作。磁化設備用來在鑄件內外表面產生磁場,磁粉或磁懸浮液用來顯示缺陷。當在鑄件一定范圍內產生磁場時,磁化區域內的缺陷就會產生漏磁場,當撒上磁粉或懸浮液時,磁粉被吸住,這樣就可以顯示出缺陷來。這樣顯示出的缺陷基本上都是橫切磁力線的缺陷,對于平行于磁力線的長條型缺陷則顯示不出來,為此,操作時需要不斷改變磁化方向,以保證能夠檢查出未知方向的各個缺陷,如安徽索立德鑄業有限公司金巴黎彩票配置的磁粉檢測儀可以快速檢測內部缺陷。

2、 鑄件內部缺陷的檢測

對于內部缺陷,常用的無損檢測方法是射線檢測和超聲檢測。其中射線檢測效果最好,它能夠得到反映內部缺陷種類、形狀、大小和分布情況的直觀圖像,但對于大厚度的大型鑄件,超聲檢測是很有效的,可以比較精確地測出內部缺陷的位置、當量大小和分布情況。

2.1 射線檢測(微焦點XRAY)

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2.2 超聲檢測

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