Polyurethane Isostatic Pressing Molds/Bags for Isostatic Graphite
Polyurethane Isostatic Pressing Molds/Bags for Isostatic Graphite
Isostatic graphite is a graphite material prepared using isostatic pressing molding technology. It has high strength, high density and good thermal conductivity. When manufacturing isostatic graphite, a jacketed mold is required to maintain shape and dimensional accuracy. This article will introduce the process of selecting an isostatic polyurethane sleeve for mold wrapping.
Determine mold material
First, you need to determine the material of the mold. Commonly used materials include metal, plastic, and rubber. For isostatically pressed graphite covering molds, polyurethane rubber sleeves are generally used as the mold material. The polyurethane rubber sleeve has good wear resistance, corrosion resistance and elasticity, and can meet the molding requirements of isostatic graphite.
Prepare the mold
When preparing the mold, the structure and size of the mold need to be designed according to the shape and size of the isostatic graphite. At the same time, the mold needs to be processed and cleaned to ensure the accuracy and hygiene of the mold.
Assembling mold
Install the polyurethane rubber sleeve in the mold, ensuring that the rubber sleeve and the mold fit tightly without leaving any gaps. Then, put the graphite material into the mold, ensuring that the surface of the graphite material is smooth and free of bubbles and impurities.
Pressing
Place the assembled mold into an isostatic press for compression molding. During the pressing process, the pressure and temperature need to be controlled to ensure that the graphite material can be fully integrated to meet the requirements of high density and strength.
Demolding and post-processing
After compression molding, the graphite material needs to be removed from the mold and post-processed. Post-processing includes grinding, polishing and heat treatment to further improve the performance of isostatically pressed graphite.
Summarize
Choosing isostatically pressed polyurethane rubber sleeve to cover the mold is one of the key steps in preparing high-quality isostatically pressed graphite. When selecting a mold, factors such as material, size and accuracy need to be considered. At the same time, factors such as pressure and temperature need to be controlled during the pressing process to ensure that the graphite material can meet the requirements of high density and strength. Finally, demoulding and post-processing are required to further improve the performance of isostatically pressed graphite.
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