Polyurethane Isostatic Pressing Molds/Bags/Toolings

Polyurethane Isostatic Pressing Molds/Bags/Toolings

Isostatic pressing is a technology widely used for forming various materials, including cemented carbide powders. Isostatic pressing molds have significant advantages and applications in isostatic pressing of cemented carbide powders.

First, the isostatic pressing mold can provide isotropic pressure, so that the cemented carbide powder is subject to the same pressure in all directions, thereby forming products with a highly dense structure. This uniformity of pressure distribution can reduce the residual stress inside the powder and avoid problems such as cracking and deformation of the product during the sintering process.

Secondly, isostatic pressing molds have higher molding pressure. During the molding process of cemented carbide powder, high-pressure molding can promote close contact and diffusion between powders, which is beneficial to the formation of cemented carbide with excellent properties. The pressure of high-pressure molding can reach hundreds of MPa or even thousands of MPa, which can effectively improve the density and performance of products.

In addition, the molding temperature and cooling rate of the isostatic pressing mold are adjustable and can be controlled according to the characteristics and performance requirements of the cemented carbide powder. Forming and rapid cooling at high temperatures can promote the densification and phase transformation of cemented carbide and improve the hardness and wear resistance of the product.

Isostatic pressing molds also feature high precision and repeatability. Since the shape and dimensional accuracy of the mold directly affect the shape and dimensional accuracy of the product, isostatic pressing molds can obtain high-precision products in cemented carbide powder molding. In addition, because the mold has good repeatability, products of the same shape and size can be easily copied, improving production efficiency.

In short, isostatic pressing molds have significant advantages and applications in isostatic pressing of cemented carbide powders. It can improve the density and performance of products, reduce internal residual stress, and avoid problems such as cracking and deformation. At the same time, isostatic pressing molds also have the characteristics of high precision and high repeatability, which can easily copy products of the same shape and size and improve production efficiency.

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