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 to the cutting principle, the cutting tools of shield tunneling machines are generally divided into …

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 brazing temperature, improves efficiency, and reduces the risk of base material overheating.

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 methods, and the emergence of brazing materials, the process brazing performance of materials will b…

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 combinations of these metals constitute a wide variety of soft solder materials with different properties.

Silver contact brazing process2020-09-14

The lap length is determined based on the usage requirements of the brazed joint, and there are two principles in the design: equal strength principle and equal conductivity principle. The former is used for the design of load-bearing joints, mainly …

Application fields of silver based brazing materials2020-09-14

Brazing materials are widely used in refrigeration equipment such as air conditioners and refrigerators, motors, automobiles, instruments and meters, electrical equipment, hard alloys, aerospace components, hardware and bathroom manufacturing industr…

Brazing properties of copper and its alloys2020-09-14

Copper and copper alloys can usually be divided into four categories: pure copper, brass, bronze, and white copper. Their brazing performance mainly depends on the stability of the surface oxide film and the effect of brazing heating process on mater…

Common brazing related standards2020-09-14

Commonly used Chinese standard numbers, current version names and codes GB/T 51852005 Welding and related process method codes GB/T 331482016 Brazing terminology Brazing performance testing

Silver solder paste for induction welding2020-09-14

The common composition of silver solder paste for brazing is a paste like silver solder paste composed of silver based metal alloy powder, flux, and binder. The silver content of metal alloy powder is divided into 15%, 45%, 50%, 56%, 72

Introduction to Induction Brazing2020-09-14

What is induction brazing? Induction brazing generates an alternating electromagnetic field around a metal part through a certain frequency of alternating current. The metal part then generates an induced current within the alternating magnetic field…