公开(公告)号：US20060127268A1

公开(公告)日：2006-06-15

申请号：US10521648

申请日：2002-07-25

申请人： Katsuhiko Yano ,  Katsumi Sasagawa ,  Masaki Matsui ,  Masao Sasaki ,  Heiji Yamada ,  Masaru Kobayashi ,  Akihito Hanabusa ,  Hideo Sato

发明人： Katsuhiko Yano ,  Katsumi Sasagawa ,  Masaki Matsui ,  Masao Sasaki ,  Heiji Yamada ,  Masaru Kobayashi ,  Akihito Hanabusa ,  Hideo Sato

IPC分类号： B22F3/02

CPC分类号： B30B11/02 ,  B30B11/005 ,  B30B15/302

摘要： This invention has been realized in order to obtain green compacts of a fixed height by pressure molding of material powder with a fixed gap between upper and lower punches. A powder compacting method of this invention performs a punch driving step wherein, after filling material powder in a cavity, the material powder filled in the cavity is pressure molded by using an upper punch and a lower punch, said punch driving step comprising a primary driving step of driving either one of the punches until the thickness of the cavity formed between the upper and lower punches becomes slightly greater than a target molding thickness, and a secondary driving step of measuring a gap between the upper and lower punches and driving either one of the punches while controlling it until the measured value reaches the target molding thickness.

摘要翻译： 已经实现了本发明，以便通过在上下冲头之间具有固定的间隙的材料粉末的压力成型来获得固定高度的生坯。 本发明的粉末压制方法执行冲压驱动步骤，其中在将材料粉末填充到空腔中之后，通过使用上冲头和下冲头对填充在腔中的材料粉末进行加压模制，所述冲头驱动步骤包括主驱动 驱动任一个冲头的步骤，直到形成在上冲头和下冲头之间的空腔的厚度变得稍微大于目标模制厚度;以及二次驱动步骤，测量上冲头和下冲头之间的间隙，并驱动 同时控制冲头，直到测量值达到目标模制厚度。