公开(公告)号：EP1634678A4

公开(公告)日：2007-05-30

申请号：EP04735340

申请日：2004-05-28

申请人： BOSCH CORP ,  NORITAKE CO LTD ,  NORITAKE SUPER ABRASIVE CO LTD

发明人： YUI TAKAYUKI ,  KUBOTA OSAMU ,  FURUKAWA HIDEO ,  KISHIMOTO MASATOSHI ,  UKAI NAOYUKI

IPC分类号： B24D3/18 ,  B24D18/00

CPC分类号： B24D3/18 ,  B24D18/00

摘要： A vitrified grinding wheel having a porosity (desirably 30 to 70 vol.%), a concentration ratio of abrasive grain (desirably 50 to 160), and an abrasive grain size (desirably 10 to 90 mum) based on pre-set grinding efficiency and grinding accuracy, desirably, a grinding accuracy of 0.1 to 1.6 Rz (mum) and a grinding efficiency of 0.1 to 2.0 mm /(mm.sec), and a method of manufacturing the vitrified grinding wheel.