Casting machine is a equipment that processes high-viscosity fluids into casting films. It features high production efficiency and good product quality, and is widely used in the fields of electronic ceramics, lithium batteries, thin film materials, etc.
Working Principle of Casting Machine:
The working principle of a casting machine involves the even spreading of slurry onto a substrate under the combined action of gravity and shear forces to form a uniform film. The machine mainly consists of a slurry tank, doctor blade, substrate, drying chamber, and winding device. Slurry flows out from the tank and is evenly spread onto the substrate by the doctor blade, forming a sheet with a certain thickness. Subsequently, the sheet along with the substrate is sent into the drying chamber to remove solvents or moisture from the slurry, resulting in the casting film.
Process Flow of Casting Machine:
The process flow of a casting machine mainly includes slurry preparation, casting molding, drying, and separation steps. Slurry preparation involves processes such as raw material crushing, mixing, dispersion, and defoaming to prepare casting slurry with suitable flowability and stability. Casting molding involves injecting slurry into the machine's tank and using the doctor blade to evenly spread the slurry onto the substrate, forming a sheet with a certain thickness. Drying involves sending the sheet along with the substrate into the drying chamber and using methods such as hot air or infrared radiation to remove solvents or moisture from the slurry. Separation involves peeling the dried sheet from the substrate to obtain the formed casting film.
Applications of Casting Machine:
Casting machines are widely used in the fields of electronic ceramics, lithium batteries, solar cells, thin film materials, etc. In the electronic ceramics field, they are used to produce ceramic substrates, dielectric layers, electrode layers, etc. In the lithium battery field, they are used to produce battery separators, positive electrodes, negative electrodes, etc. In the thin film materials field, they are used to produce optical films, barrier films, functional films, etc.
