| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cage with a shape requiring forced ejection upon ejecting from a mold, made of a magnesium alloy with a high strength, and to provide a rolling bearing equipped with the cage, a machine tool equipped with the rolling bearing, and a method of manufacturing the cage. <P>SOLUTION: The cage 14 is made of the magnesium alloy, is molded by an injection molding with the magnesium alloy using the mold 60 provided with a cavity 61 with a shape corresponding to the shape of the cage 14, and has the shape requiring forced ejection upon ejecting from the mold 60. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
