The invention discloses a preparation method of a
gel forming ultra-high-purity
alumina ceramic lining disk trimming ring, wherein the preparation method comprises the following steps: 1) firstly, preparing a premixed liquid; 2) then adding a
ceramic powder to the premixed liquid, carrying out ball milling, and forming a suspension
slurry; 3) after the suspension
slurry is stable, respectively adding an initiator and a catalyst, discharging from the
ball mill, then adding a defoaming agent, and stirring evenly; 4) followed by pouring the treated
slurry into a mold by an
extrusion molding device; and 5) after a blank body reach the demoulding strength, soaking the demoulded blank body, cooling to
room temperature, then taking out the blank body,
grinding with
sandpaper with the particle size of 600, and thus forming the
alumina ceramic lining disk trimming ring. The manufacturing technological process of the
alumina ceramic lining disk trimming ring is simplified, a traditional way of mechanical
processing under high strength is changed, the
assembly line production can be achieved, the manufacturing cost of the
alumina ceramic lining disk trimming ring is reduced, and at the same time, the quality and performance of the
alumina ceramic lining disk trimming ring are improved.