Method for producing cylindrical ceramic body

摘要

A method for producing a cylindrical ceramic body (2) having a hollow portion (1) and having an uneven thickness includes the steps of: granulating a ceramic material powder to obtain granules having an average diameter of 50 - 90 mu m and an apparent bulk density of 0.60 - 0.80 g/cm<3> ; mixing a binder with the granules to obtain a molding material; subjecting the molding material to an injection molding under a pressure of 500 kg/cm<2> or less to obtain a compact; removing a binder from the compact to obtain a binder-removed compact; and firing the binder-removed compact. The method can excellently mold and produce a cylindrical ceramic body which has a hollow portion therein, which is very thin, and which has an uneven thickness.