In both types of extrusion the raw material must be plasticized to allow and induce the flow of the material in the process.
Ceramic moulding process.
The patterns that ceramic mold uses are plaster plastic wood metal rubber etc the pattern is the shape body of the desired part.
The first step of the ceramic mold casting process is to pour the ceramic slurry over the mold.
The ceramic molding process is a production method which guarantees the precision required and also gives a good surface finish using a high temperature method to better structure and shape parts.
Iso static pressing ceramic production process casting slip casting.
Ceramic mold casting is a process that is similar to plaster mold casting.
Complex technical ceramic parts are commonly formed using either the injection moulding process or hot wax moulding both rely on heat sensitive plasticizers to allow material flow into a die.
Slip casting method is used to produce complex shapes.
In industry parts such as machining cutters dies for metalworking.
Ceramic molds tend to be expendable.
Instead of using plaster to create the mold for the metal casting ceramic casting uses refractory ceramics for a mold material.
The pores in the mold create a capillary pressure because of this the water in the slip is absorbed by the mold.
In this method ceramic particles are suspended in water an cast into porous plater molds.