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Ningbo Jinxing Flexible Pipe Co.,Ltd
Add:NO.1 Beixing Road, Mazhu Town, Yuyao City, Zhejiang Province, China
Tel:+86-574-62462609
Fax:+86-574-62465326
Ph:+8613484227733
E-mail:Sales4@nbjinxing.com

What should you pay attention to when welding metal hoses?

- Jan 15, 2019 -

Welding of bellows and joints

(1) Cleaning. Clean the joint and the straight wall section of the bellows with acetone.

(2) Fixing. Assemble the joint and bellows according to the figure, install the welding fixture, and install it on the automatic welding device.

(3) Welding. Adjust the welding current, welding speed, hydrogen flow and other parameters according to the process requirements, adjust the welding gun in place, test run and observe whether the rotating device is running smoothly. Finally, the welding is started according to the operating procedure of the automatic seam welder.

(4) Inspection. After the joints at both ends of the metal hose are welded, visual inspection and air tightness inspection are carried out. Weld the net sleeve after passing the test.

Welding of joints and net sleeves

(1) Cleaning. Clean the joints, the mesh sleeve and the outer ring to be welded with acetone.

(2) Fixing. Assemble the joint with the net sleeve and the outer ring according to the figure, install the welding fixture, and then install it on the automatic welding device.

(3) Welding. Adjust the welding parameters, adjust the welding gun in place, and start welding according to the operating procedure of the automatic seam welder.

(4) Inspection. After the welding of the mesh sleeves at both ends of the metal hose is completed, the airtightness test is performed.


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