发明名称
摘要 Disclosed is a method for manufacturing a hemisphere used in a hemispheric bearing apparatus capable of performing the mass production and enhancing the mechanical characteristic of the hemisphere by manufacturing a sphere using a pair of forging frames formed in the shape of hemisphere, grinding the spherical surface, and then dividing the sphere into two, thereby reducing the time and process for manufacturing the hemisphere and increasing the productivity of the hemisphere.
申请公布号 JP2883323(B2) 申请公布日期 1999.04.19
申请号 JP19970328862 申请日期 1997.11.28
申请人 SANSEI DENSHI KK 发明人 RI SHO
分类号 B21K1/02;B23P15/00;F16C33/30 主分类号 B21K1/02
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