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Ceramic materials have long replaced metals in the production of welded pins, ensuring a perfect fit between the metal sheets and nuts during welding, with welding temperatures up to 800 ° C. The nano silicon nitride ceramic raw materials imported from Germany have obvious advantages in welding after being subjected to isostatic pressing, air pressure sintering, and diamond grinding for positioning pins.
Due to its high hardness and durability, metals cannot compete with advanced ceramics in terms of insulation performance, temperature resistance, and minimal wear. Another advantage of using ceramics as a centering pin is its smooth polished surface, which can prevent welding spatter from adhering. However, when it comes to welding pins made of commonly used zirconia ceramics, their service life is indeed limited. Over time, this material is also unable to withstand the required operating temperature of 800 ° C and a current of 30 to 40 kiloamperes through the projection welding copper electrode, and therefore will be subject to wear and tear. Solution: A centering standard mold made of silicon nitride ceramics.
The raw material of silicon nitride ceramic positioning pin is imported from Germany. Such position pin has a high-strength and high toughness gray material sintered at a pressure of 10MPa, with high strength, ultra-high wear resistance, and thermal shock resistance. When used for welding positioning, it has unique advantages compared to other materials:
The welding positioning pin made of gray silicon nitride ceramic imported from Germany significantly extends its service life and achieves high precision and higher precision in convex welding nut welding. Due to wear and attached slag, metal welding pins usually need to be replaced several times a day, while centering pins made of silicon nitride ceramics only need to be replaced approximately once a month. Usually, these pins only need to be replaced if they are damaged by mechanical force. Due to cost reduction, this not only provides more economical production, but also makes the entire process more robust, resulting in consistently high product quality.
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Main Product:
Zirconia Ceramic,
Alumina Ceramic,
Blue Nano Zirconia Ceramics ,
Silicon Nitride Ceramics,
ESD-Safe Ceramics,
Silicon Nitride Ceramics
