Case pressure rounding machine is an equipment which makes the middle part ofthe finished case into round shape. It is widely used in hardcover books and note-books with rounding spine. It is worked under air cylinder. Adjust the cylinderstroke, pressure and time to meet the demands of different hard cases.This ma-chine adopts pneumatic principle. The round back mold has heating function andthere are a variety of molds for different thickness of spine. It is advanced indesign and quick for users to exchange different molds. With the height, pressure,time and temperature adjustable characteristics, users can adjust the machine tomake the best result for different kinds of cases.