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Commonly used processes for machining precision ceramic parts

Date：2024-04-09 Hits：32

Processing precision ceramic parts commonly used processes mainly include the following:


1. Powder preparation: this is the first step in the manufacture of precision ceramics, involving the synthesis and processing of high-purity ceramic powder. The particle size, shape and distribution of the powder directly affects the effect of subsequent molding and sintering.


2. Molding technology:


Dry Pressure Molding: The powder is placed into a mold and shaped by pressure. This method is suitable for parts with simple shape and small size.


Injection molding: Similar to plastic injection molding, it is suitable for ceramic parts with complex shapes and high precision requirements.


Extrusion molding: Extruding the powder into the desired shape through an extruder, commonly used for tubular or rod-shaped products.


3. Sintering: After molding, ceramic parts need to be sintered at high temperatures to increase their density and strength. Sintering temperatures usually range from 1000°C to 2000°C, depending on the type of material.


4. Mechanical processing:


Grinding: Fine grinding of sintered ceramics using diamond grinding wheels to achieve higher precision and surface finish.


Cutting: Laser cutting or ultrasonic cutting technology is used to cut the ceramics precisely.


Drilling: Use special drills and equipment to drill holes in the ceramics.


5. Surface treatment: In order to improve the wear resistance, corrosion resistance or aesthetics of ceramic parts, surface treatment, such as polishing and coating, is often required.


These process steps require a high degree of skill and experience to ensure the quality and performance of the final product.


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