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Jiangsu OUCO Heavy Industry and Technology Co.,Ltd

TEL: 0510-82737166

FAX: 0510-83915801 

PHONE: +86-18800548228

E-MAIL: sales@oucomarine-group.com

ADD: No.20 Tianshun Road, Industrial Park of Yangshan Town, Huishan, Wuxi, Jiangsu, China

 


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The hook should be scrapped when the following conditions occur

1 The surface has crack or break;

2 The hook tail and the thread part and so on the dangerous section and the hook tendon has the permanent distortion;

3 The wear of the hanging rope is more than 10% of the original height;

4 The opening degree is 15% higher than the original size, and the opening torsion deformation is more than 10 °;

5 when the plate hook bushing wears up to 50% of the original size, the liner should be scrapped;

6 The core axle of the board is worn out when it reaches the original size of 5%.