摘要 |
PROBLEM TO BE SOLVED: To execute compression molding of an inner core and coating at one time by a powder compression molding machine itself.SOLUTION: The powder compression molding machine comprises a first injector Ya for injecting a lubricant toward the inside of a mortar hole 4, a preceding filling device Xa for filling powder in the mortar hole 4 after injecting the lubricant by the first injector Ya, a second injector Yb for injecting the lubricant toward the inside of the mortar hole 4 after being compressively molded by an upper pestle 5 and a lower pestle 6 by filling the powder by the preceding filling device Xa and a last filling device Xb for filling the powder compressively molded by the upper pestle 5 and the lower pestle 6 in the mortar hole 4 after injecting the lubricant by the second injector Yb. |