Seam problem of seamless welded doors and windows

Seamless welded doors and windows are highly praised for their efficient and fast manufacturing technology and excellent sealing performance. However, welding problems, such as transverse cracks and cracks under welds, often plague such doors and windows. This paper will deeply discuss the causes of welding problems and introduce the advantages of glue injection needle technology.

Causes of welding problems

Welding problems are mainly related to low melting point elements. These elements are easy to melt in the welding process, which leads to transverse cracks in the weld and cracks below the weld bead.

Advantages of glue injection needle technology

Glue injection pin technology is a kind of door and window manufacturing technology, and its function is similar to woodworking glue in tenon-mortise connection structure of traditional furniture in China. It can enhance the stability and sealing of doors and windows, and is an excellent door and window manufacturing process.