The core advantages of this mold are as follows: first, the use of YG8 cemented carbide with high compressive strength (≥1500MPa) and good chemical stability, which can adapt to the high forming pressure and high temperature environment of ceramic matrix composite extrusion molding. Second, the combination of mirror polishing and DLC coating treatment reduces the surface roughness of the cavity to Ra ≤0.02μm and the friction coefficient to 0.1 or less, effectively improving the demolding performance and reducing the damage of ceramic parts during demolding. Third, the vacuum temperature-controlled circulating water circuit can accurately control the temperature of the mold cavity within ±5℃, ensuring the uniform temperature distribution of the ceramic matrix composite during the extrusion process, reducing the cracking rate of ceramic parts by more than 40%. In addition, it has passed AS9100 certification, meeting the quality management system requirements of the aerospace manufacturing industry, and can be customized according to the specific cross-sectional shape and size required by customers.
The overall dimensions of the mold frame are 800mm in length, 500mm in width and 250mm in height, with a total weight of 320kg. The maximum processing length of the ceramic matrix composite parts is 200mm, and the maximum cross-sectional size is 80mm×60mm. The adjustable forming pressure range is 100-400kN, and the applicable molding temperature range is 1200-1600℃. The mold supports custom cavity design according to the special-shaped cross-sectional shape required by customers, and is compatible with 315-630ton special ceramic extrusion production lines. The dimensional accuracy of the processed ceramic parts can be strictly controlled within ±0.008mm, meeting the high-precision requirements of special ceramic components.
This custom extrusion die is mainly applicable to the production of ceramic matrix composite components for aerospace, new energy energy storage and high-end medical equipment, including aerospace turbine blades, new energy energy storage ceramic heat insulation parts, high-end medical ceramic implant parts and other special ceramic components. It is suitable for aerospace material manufacturing enterprises, new energy energy storage equipment manufacturers and high-end medical device manufacturing enterprises, and can meet the high-precision and small-batch production needs of special ceramic components. In addition, it can also be used for the production of advanced ceramic structural parts for electronic information products.
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