Isostatic pressing mold for graphite isostatic pressing, oil and water resistant isostatic pressing mold
Isostatic pressing mold for graphite isostatic pressing, oil- and water-resistant isostatic pressing covering molds, and powder forming equipment under high pressure, using Hidesh isostatic pressing sleeves, using liquid as the pressure transmission medium, for The powder billet is pressed into a predetermined shape by applying the same pressure in all directions to provide the billet for the next step of sintering, forging or hot isostatic pressing.
Cold isostatic presses are widely used in cemented carbide, powder metallurgy, high-speed steel, titanium and titanium alloys, refractory materials, graphite, crucibles, ceramics, etc. , rare earth permanent magnet, crystal, medicine and food and other industries. Cold isostatic pressing products are very conducive to mechanical processing, and can also produce various products with particularly complex shapes.
Isostatic pressing is to place the object to be processed in a specific mold, and then put the mold containing the workpiece into a closed container full of liquid, gradually pressurize it through a pressurization system, and transmit pressure through the liquid to make the object. The various surfaces of the mold are subjected to equal pressure, and under the constraints of the mold, the molding process is carried out. During the compression process, the distance between the molecules of the actual workpiece is reduced, and the density is increased, which makes the physical and even chemical properties of the pressed article change.
An isostatic press is a molding equipment that works under high pressure. The isostatic press is divided into cold isostatic press at room temperature, warm isostatic press at medium temperature, and hot isostatic press at high temperature. The isostatic press uses oil, water or gas as the working medium, and applies the same high pressure to all surfaces of the object. It can make the formed workpiece have the characteristics of high and uniform density, uniform sintering shrinkage and easy machining. It is widely used in magnetic materials, ceramics, cemented carbide, high temperature refractory materials, rare earth permanent magnets, carbon materials, rare metal powders and other industries.
Isostatic press technology
1. The isostatic compaction has high density and uniformity, small shrinkage during firing, and is not easy to deform;
2. It can form slender rod-shaped or tubular compacts that are difficult to be prepared by conventional large-scale compaction processes;
3. The product has strength and good machinability, which can greatly reduce the internal stress;
4. The mold is easy to make and has a long service life.
The isostatic press is divided into cold isostatic press at room temperature, warm isostatic press at medium temperature, and hot isostatic press at high temperature.
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