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Cixi Jingchuang Industrial Automation Co., Ltd

Contact person: Manager Tu (Sales Manager)

Telephone: 13586643385

Contact: Deng Musong

Telephone: 13506741638

The true: 0574-63571884

Mail Box: 496613547@qq.com

Address: No. 1, Lane 8, Shuiyunpu Road, Liujia Village, Xinpu Town, Cixi City, Zhejiang Province

Web site: www.hnlqy.com


Automatic flange eddy current testing and sorting machine

Automatic flange eddy current testing and sorting machine

  • Classification:Automatic flange eddy current testing and sorting machine
  • Number of visits:second
  • Date of issue:2021-04-24 10:10:20
  • Product overview

Principle of Eddy Current Testing: Eddy current testing uses the principle of electromagnetic induction to excite the probe coil with sinusoidal current. When the probe is close to the metal surface, the alternating magnetic field around the coil generates induced current on the metal surface. For flat metal, the flow of the induced current is a concentric circle of coils, shaped like a vortex, called an eddy current. The eddy also generates a magnetic field of the same frequency, in the opposite direction of the coil's magnetic field. The loss resistance of the eddy current channel and the anti-magnetic flux generated by the eddy current are reflected back to the probe coil, changing the current magnitude and phase of the coil, that is, changing the impedance of the coil. Therefore, when the probe moves on the metal surface and encounters defects or changes in material and size, the reaction of eddy current magnetic field to the coil is different, resulting in changes in coil impedance. By measuring such changes with eddy current testing instruments, the metal surface can be identified with defects or other physical property changes. There are many factors that affect the eddy current field, such as the degree of coupling between the probe coil and the material under test, the shape and size of the material, electrical conductivity, magnetic permeability, and defects. Therefore, the problems of flaw detection, thickness measurement and sorting of metal materials can be solved by using eddy current principle


Technical parameters: flaw detection sensitivity: from the workpiece surface to the metal extending depth ≥ 0.05mm, length ≥2 mm crack, defect; When the thickness of the metal between the top edge of the crack and the surface of the workpiece is ≤ 0.2mm, the crack with a depth of ≥0.20mm and a length of ≥ 1mm can be detected.


全自動法蘭渦流探傷分選機

針對金屬材料和非金屬材料,微波會出現不一樣的特性,在金屬材料檢測中,微波不容易透過原材料,反倒會在金屬表面產生反射,而檢驗工作人員必須做的是對這種反射數據信號開展搜集,由于這種數據信號中包括金屬表面缺點的有關信息,例如部位信息、范疇及其遍布信息等。這類圖像尺寸測量儀檢驗的實際基本原理是:微波和化學物質會產生相互影響,和金屬材料更會產生反射功效,因此 專業技術人員運用頻譜分析儀將微波發送到金屬表面,金屬表面會意見反饋有關的反射、散射及其透射等信息,并且這種信息很有可能來源于金屬表面的不一樣頁面,微波對金屬材料頁面的持續性都沒有限定。意見反饋回家的信息中微波動能會發生變化,對陡然發生變化的部位開展科學研究,并對物質的磁感應主要參數開展檢驗,便會發覺無縫鋼管渦流探傷金屬表面有缺陷的部位。

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