Isostatic Press Mold/Bag for PTFE

Isostatic Press Mold/Bag for PTFE

Isostatic pressing refers to the state in which equal pressure is applied to the surface-enclosed material at the same time in all directions. According to Pascal's principle, in a closed container, the static pressure generated by the external force acting on the static liquid or gas will be transmitted evenly in all directions, and the pressure on the surface it acts on and the area of the surface Proportional.

Isostatic pressing technology is to use Pascal's principle to place pressed PTFE resin powder sealed in a flexible mold or a solid workpiece filled with PTFE resin powder in a closed shell into a high-pressure cylinder filled with fluid pressure medium, and use high-pressure equipment to press the cylinder The pressure medium in the pressure medium exerts a certain pressure, and the pressure is uniformly transmitted to the interface of the flexible mold or workpiece through the pressure medium, so that the pressed PTFE resin or workpiece undergoes a certain volume deformation under the action of isostatic pressure, so as to realize Isostatic pressing. Because the pressed material is a powdery substance, when the pressure acts equally on the surface of the flexible mold, the PTFE resin powder in the package will be uniformly compressed and densified, and its shape is smaller than and similar to the cavity of the flexible mold .

It can be seen that the simultaneous and equal transmission of pressure by the fluid medium in all directions is the basis of the isostatic pressing technology, and the establishment of a non-leakage interface between the pressed PTFE resin powder and the pressure medium is the key to the isostatic pressing technology.

    Jiangsu High Industry on the research and development and production of high-performance polyurethane isostatic pressing molds. Through in-depth cooperation with many isostatic pressing equipment manufacturers and in-depth study of the industry, the developed isostatic pressing polyurethane mold series products have the characteristics of long service life, high precision, small deformation, easy demoulding, etc., and are widely used in ceramics, etc. Static pressing mould, cemented carbide isostatic pressing mould, rare earth permanent magnet material isostatic pressing mould, graphite isostatic pressing mould, etc.

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