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Powder molding and structural requirements for large precision ceramic antenna molds

Apr 08, 2019

Large-scale precision ceramic antenna molds are mainly used to mold ceramic capacitors, varistors, and ceramic heaters. Most of the ceramic molds for the process are wood molds, which are generally molds that are not too complicated in shape and suitable for mass production of ceramics for living and decoration.

 

The powder molding of large precision ceramic antenna molds has a relatively high hardness during the operation. The molds are divided into upper molds, lower molds and female molds during production, and some perforated products may require a core rod. In order to improve the service life and the consistency of the product, the working part of the die and the mandrel should be made of tungsten steel as much as possible. The shape of the upper and lower molds is simple to produce a product with a large output. Tungsten steel can also be used. If the shape is too complicated, especially at the end face of the mold. Complex, try to use mold steel to facilitate processing.

 

Large precision ceramic antenna molds have different compacting densities according to different products. Most of the small products are solid small round wafers. There are more 20-station rotary presses. The mold structure is: upper mold, lower mold and concave mold. Pay attention to the clearance during production. If the gap is not suitable, it will cause delamination and cornering.

 

Large-scale circular electronic ceramics will be pressed by a nine-station rotary press. The mold structure is: upper mold, lower mold, mandrel, and concave mold. When making, pay attention to the contour height and fit clearance of the mold.

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