Cold Isostatic Pressing Carbide Bags

Cold Isostatic Pressing Carbide Bags

Carbide Forming Method

Carbide bar because of its special abrasion resistance, high hardness, excellent fracture toughness and compressive strength make it in metal processing, electronics industry, wood processing, aerospace industry and medical fields have been widely used, is the manufacture of printed circuit board microdrill, milling cutter, reamer, step tool, long rod tool, tap and dot matrix printer printing needle ideal early materials.

Carbide bar forming process mainly includes extrusion forming, isostatic pressing forming.

1. Extrusion forming

The advantages of carbide bar extrusion process are that the length of the bar is not limited by forming in principle and the longitudinal density is uniform. Strong production continuity, high forming efficiency, simple equipment, easy to operate.

2. Isostatic pressing forming

2.1 Pressure cutting method

The ground and sifted carbide powder is pressed into blocks and then treated with cold isostatic pressure before subsequent processing. In this process, only a small amount of plasticizer, such as paraffin, polyethanol and so on. If the cold isostatic pressure is high enough (400MPa), the binder may not even be added. The surface of the bar formed by this method is very rough, and it must be ground and turned before the finished product.

2. 2 Wet bag method

The mold is under uniform pressure in high pressure liquid (about 200MPa). The size of the specimen is limited by the mold cavity, so it is not suitable for mass production. It is mainly used for large-diameter bars

2. 3 Dry bag method

It uses different fluids as the pressure transfer medium, the mold is semi-fixed, the billet adding and taking out are operated in the dry state. High degree of automation, short operation cycle, suitable for batch molding. The length of the rod formed by this method is longer than that of the mechanical molding method (up to 400mm), and a small amount (1% to 1.5%) of paraffin wax or polyvinyl alcohol is used during molding.

     Jiangsu High Tech Co., Ltd. is located in Zhenjiang, Jiangsu. It is a high-tech enterprise that develops and produces high-performance polyurethane products, cold isostatic pressing molds and cold isostatic pressing machines. The company's main products are polyurethane isostatic pressing molds and cold isostatic pressing machines. The company's products are widely used in all walks of life in China and exported to more than 30 regions around the world. They are widely praised by customers for their excellent quality and good service. The company always adheres to the product concept of "quality first" and has a deep understanding of customer needs. The company has been committed to the research and development and production of high-performance polyurethane elastomer molds for many years, and solves various design and production problems of polyurethane elastic molds for isostatic pressing users. The company has mature production and processing technology and a complete set of experimental equipment for mold elastomer analysis. In order to ensure the excellent impact resistance, abrasion resistance, cutting, tear resistance and clarity of the product and excellent dimensional stability. Its products are widely used in magnetic materials, ceramics, cemented carbide, high temperature refractory materials, rare earth permanent magnets, carbon materials, rare metal powders and other industries.

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