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Understanding of composite silver contacts?

Understanding of composite silver contacts?

Categories:FAQ
Author:
Origin:
Time of issue:2021-07-30 11:31
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(Summary description)According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. Understanding of composite silver contacts? Since the metal conductor terminal is prone to instantaneous heat and sparks at the moment of contact, the contact point is prone to oxidation and electrolysis in the multi-frequency process of use, so the contact point is increased and thickened, or polymer metal is used. Manufacturing (copper and silver are the most common materials), so this contact point is made of polymer metal.

Understanding of composite silver contacts?

(Summary description)According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. Understanding of composite silver contacts? Since the metal conductor terminal is prone to instantaneous heat and sparks at the moment of contact, the contact point is prone to oxidation and electrolysis in the multi-frequency process of use, so the contact point is increased and thickened, or polymer metal is used. Manufacturing (copper and silver are the most common materials), so this contact point is made of polymer metal.

Categories:FAQ
Author:
Origin:
Time of issue:2021-07-30 11:31
Views:

Information

According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. Understanding of composite silver contacts? Since the metal conductor terminal is prone to instantaneous heat and sparks at the moment of contact, the contact point is prone to oxidation and electrolysis in the multi-frequency process of use, so the contact point is increased and thickened, or polymer metal is used. Manufacturing (copper and silver are the most common materials), so this contact point is made of polymer metal.

According to the size of the contact, a graphite mold set is made in advance on the lathe (each damaged contact is equipped with a mold set) as a contact forming mold; some refractory mud or yellow mud is prepared as a fixed mold set and to prevent silver liquid during welding Drain.

Silver contact refers to a switch that uses metal contacts to open and close the circuit, interrupt the current or make it flow to other circuits. In the field of silver contacts, it is generally divided into pure silver contacts, silver-nickel alloy contacts, silver tin oxide contacts, silver cadmium oxide contacts, etc. However, in the switch industry, manufacturers and application companies generally know how to To choose the switch silver contacts to ensure the quality and life of the switch, but many small and medium-sized enterprises have a lack of awareness of silver contacts.

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FAQ

Are the silver contacts pure silver?

The first step is to prepare the silver extraction solution (acid). The silver withdrawal liquid specifically dissolves the silver dots. The brass matrix and the copper matrix are not damaged, and the copper is sold directly after cleaning.

How to know the quality of silver contacts is good or bad?

The silver contacts used in our switches can be judged as good or bad. The closing of the switch is achieved by the opening and closing of the silver contacts on the copper sheet to achieve the energized state. The thickness of the silver contacts directly affects the electrical conductivity. The thickness of silver coating of ordinary switches is 0.2-0.3mm, and the higher the thickness of silver coating, it can effectively reduce the generation of sparks during switch closing and prolong the service life of the switch.

The resistance of the silver contact

Silver contacts have high electrical and thermal conductivity, low and stable touch resistance, good welding and processing functions. Fine-grained silver contains a small amount of silver in the silver, which greatly refines the material arrangement grains. In the case of almost the same touch resistance, its mechanical strength and temperature resistance are higher than that of silver. Therefore, the solder resistance and arc burn resistance are better than silver.

What are the areas of silver contacts?

In the field of silver contacts, it is generally divided into pure silver contacts, silver-nickel alloy contacts, silver tin oxide contacts, silver cadmium oxide contacts, etc. However, in the switch industry, manufacturers and application companies generally know how to Choose the switch silver contact to ensure the quality and life of the switch, and many small and medium-sized enterprises have a lack of awareness of silver contacts. In the switch industry, silver cadmium oxide and silver nickel alloy contacts are more widely used. , But how much do you know about the ratio and production process?

Understanding of composite silver contacts?

According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. Understanding of composite silver contacts? Since the metal conductor terminal is prone to instantaneous heat and sparks at the moment of contact, the contact point is prone to oxidation and electrolysis in the multi-frequency process of use, so the contact point is increased and thickened, or polymer metal is used. Manufacturing (copper and silver are the most common materials), so this contact point is made of polymer metal.

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