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Widespread application of vacuum brazing bar technology

Widespread application of vacuum brazing bar technology

2021-03

Since the 1940 s, vacuum brazing bar technology has become a promising welding technology. It appeared in the electronics industry for brazing copper and stainless steel parts, and began to be applied to plate-fin heat exchangers made of stainless steel in 1959. It has been widely used in plate-fin heat exchangers and coolers in air separation plants, petrochemical equipment, engineering machinery, vehicles, ships and household appliances. Vacuum brazing bar technology has been widely used because of its advantages.

At present, brazing bar technology has been widely used in machinery, motors, instruments, radio and other industries.

At present, brazing bar technology has been widely used in machinery, motors, instruments, radio and other industries.

2021-03

Brazing is a method of using a metal material with a lower melting point than the base metal as a brazing filler metal, heating the weldment and the brazing filler metal to a higher melting point and a lower melting temperature than the base metal, wetting the base metal with liquid brazing filler metal, filling the joint gap, and realizing the connection of the weldment. The small deformation of the brazing strip technology is suitable for welding complex parts composed of different materials such as honeycomb structure plates, turbine blades, carbide tools, printed circuit boards, etc. Before brazing, the workpiece should be carefully processed and strictly cleaned to remove oil and excessive oxide film, so as to ensure the interface assembly gap, which is usually required to be between 0.01 and 0.1mm.

Classification and storage of silver welding wire

Classification and storage of silver welding wire

2021-03

Silver wire mainly refers to the welding as a filler metal or at the same time as a conductive wire welding material. The following is a brief introduction to the classification and storage of silver welding wire. Let's learn about it!

Pay attention to the anti-electricity measures when welding silver welding wire

Pay attention to the anti-electricity measures when welding silver welding wire

2021-03

(1) do a good job in silver welding and cutting personnel training, unlicensed personnel can not carry out welding and cutting operations. (2) The welder shall not wear shoes or cloth shoes with iron nails during operation. Insulated protective gloves shall not be shorter than 300mm and shall be made of soft leather or canvas. The welding rod arc welding work clothes are canvas work clothes, and the argon arc welding work clothes are wool or leather work clothes.

Silver welding wire manufacturers introduce the basic method of silver welding rod spot welding

Silver welding wire manufacturers introduce the basic method of silver welding rod spot welding

2021-03

The basic method of spot welding with silver electrode When single-sided spot welding, the electrode is fed from the same side of the workpiece to the welding place. A typical single-sided spot welding method is single-sided spot welding. The electrode that does not form a spot weld adopts a large diameter and a large contact surface to reduce the current density. Non-shunt single-sided double spot welding, the welding current through the welding zone.

Silver welding wire manufacturers introduce silver electrode selection matters needing attention

Silver welding wire manufacturers introduce silver electrode selection matters needing attention

2021-03

Silver electrode selection when there is any need to pay attention to matters? Let the silver welding wire manufacturers simple to introduce to you, together to understand it! 1. Select the appropriate type of silver electrode according to the type of metal material to be welded. For example, when welding carbon steel or ordinary low alloy steel, structural steel electrodes should be selected.

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