How to ensure the quality of rail welding

Edit:Zongxiang Heavy Industry--Ethan Date:2018-09-06 15:33:16

The quality of welded rails is strictly required, but during the welding process, inevitably, there will be some minor problems, how to ensure the quality of rail welding, is the problem that every welding person has to face.

1?  After are pressure welding, normal fire, keep warm and cool below 300?. When the temperature is too low, extend the warmth and cold time to ensure the quality of welding.

2?  There shall be no obvious defects such as indentation, scratches and scratches within 100m on both sides of the rail weld, there must be no electric shock to the welding head.

3?  Welded end of the rail is to be dehumidified, when working in winter, first heat the rail to around 50?, eliminate the humidity on the rail end and the card box, then use a steel brush to remove the dirt on the rail surface.

4?  Long rails should be aligned before welding, and welding is not strictly prohibited.

5?  Rail welded joints should be inspected for inspection, the welding head must not have any defects such as incomplete penetration, over-burning, cracking, and venting.

Zongxiang steel group has established more than 2 decade years, we have many professional team service you for 24 hours every day. We provide light rail, heavy rail, if you have any question about us , you can contact us through email or online chat.

Based on the above summary of the simple installation of the track, hope can help more customers to carry out rail installation, it can provides important support to improve production efficiency.

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