Study on Nondestructive Testing Methods for Crimping Quality of Steel Cored Aluminum Strand

The common crimping quality problem of strain clamp is analyzed in this paper. It is indicated that the core issues of crimping of steel cored aluminum strand is the inaccurate crimping positioning of the aluminum tube of strain clamp. Aiming at the above problem, An nondestructive method is propose...

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Bibliographic Details
Main Authors: Xie, Yi, Wang, Sida, Zhang, Chao, Ouyang, Kejian, Jiang, Xuanfeng
Format: Conference Proceeding
Language:English
Subjects:
Aluminum
Clamps
Crimping
Electron tubes
Power transmission lines
Steel
Steel Cored Aluminum Strand
Strain
Strain Clamp
Ultrasonic
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Summary:The common crimping quality problem of strain clamp is analyzed in this paper. It is indicated that the core issues of crimping of steel cored aluminum strand is the inaccurate crimping positioning of the aluminum tube of strain clamp. Aiming at the above problem, An nondestructive method is proposed to test the crimping positioning of aluminum casing of strain clamp. Ultrasonic testing can be used to reveal the thickness variation of crimped aluminum casing along the side of steel anchor, which can locate the groove of steel anchor. We propose to strengthen the crimping quality supervision of steel cored aluminum strand in order to ensure the safe operation of transmission lines.
ISSN:2157-1481
DOI:10.1109/ICMTMA.2018.00026