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Classification and common problems of shield tunneling tools2020-09-14

The cutting tools of shield tunneling machines can be classified according to their movement mode, arrangement position, method, and shape. According …

New type of aluminum alloy brazing material2020-09-14

The new brazing material and flux have a lower brazing temperature, which shortens the flow and filling time of the brazing material, lowers the brazi…

Brazing of aluminum and aluminum alloys2020-09-14

It should be pointed out that the process brazing performance of materials cannot be changed. With the development of brazing technology, new brazing …

Classification of brazing materials and flux2020-09-14

The main metal element in soft solder is tin, followed by lead, bismuth, zinc, gallium, antimony, cadmium, silver, copper, etc. The different combinat…