Silicon Nitride Ceramic Location Dowel Pin For Welding With SS304 Base

Silicon Nitride Ceramic Location Dowel Pin for Welding with SS304 Basel

1 . Descriptions:

High-performance silicon nitride positioning pin products are superior to others by virtue of their high hardness, high thermal shock resistance, electrical insulation, and good mechanical creep resistance at high temperatures. Material. In the automobile manufacturing industry, the positioning accuracy of the positioning pin of the welding fixture plays a crucial role in the welding size of the body, and the looseness and excessive wear of the positioning pin are two important reasons for its positioning failure.

2 . Silicon Nitride Welding Pin Advantages

In the automobile manufacturing industry, the positioning accuracy of the positioning pin of the welding fixture plays a crucial role in the welding size of the body, and the looseness and excessive wear of the positioning pin are two important reasons for its positioning failure.

1. Silicon nitride is an insulating material, no need for slag discharge inspection after welding, and will not damage the thread, which can improve production efficiency and significantly improve welding quality.
2. Silicon nitride has high hardness, very good wear resistance, and its life is 5 to 10 times that of positioning pins of other materials. It can reduce the processing steps, improve the service life, and save the cost very significantly.
3. It can be matched with locating pins of all external dimensions, and the replacement process is no problem, and the comprehensive cost-effectiveness is high.

3 . Main properties of silicon nitride ceramic

High mechanical strength remains up to 1200℃

High fracture toughness

Extremely high hardness

Outstanding wear resistance and good self-lubricating property

Low thermal expansion

Excellent thermal shock resistance which can withstand sudden temperature change

Good resistance to acid&alkali and oxidation

4 . Application.

Silicon nitride pins have several applications in various industries. Here are a few examples:

Semiconductor Manufacturing: Silicon nitride pins are commonly used in semiconductor manufacturing processes. They are utilized for tasks such as wafer handling, aligning and positioning components, and as probe tips in testing and inspection equipment. The high mechanical strength, excellent thermal stability, and low coefficient of thermal expansion of silicon nitride make it suitable for these demanding applications.

Biomedical Engineering: Silicon nitride pins find applications in biomedical engineering and biochemistry research. They can be used as micro-needles for drug delivery systems, where their biocompatibility and sharpness are advantageous. Silicon nitride pins also find use in microfluidic devices and lab-on-a-chip systems for precise liquid handling and sample manipulation.

Aerospace and Defense: In the aerospace and defense industries, silicon nitride pins are used for various purposes. They can be employed in aircraft and spacecraft components, where their high strength, excellent wear resistance, and thermal stability make them suitable for applications under extreme conditions. Silicon nitride pins can also be used in missile guidance systems, radar equipment, and other electronic devices.

High-Temperature Applications: Silicon nitride pins exhibit exceptional thermal properties, including high thermal conductivity, high melting point, and excellent thermal shock resistance. These characteristics make them suitable for high-temperature applications, such as in furnaces, kilns, and other industrial heating processes.

Electronics and Optics: Silicon nitride pins are used in the electronics and optics industries. They can be utilized as alignment pins in the assembly of electronic components and optical devices. Silicon nitride's electrical insulation properties and thermal stability make it a preferred material in these applications.

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