公开(公告)号：US08127585B2

公开(公告)日：2012-03-06

申请号：US12224330

申请日：2007-01-18

申请人： Satoru Ishizuna ,  Hiroaki Suzuki ,  Junji Yoshida ,  Hiroyuki Kawamura ,  Isao Nakata ,  Michie Hirane ,  Sadaichi Takamatsu ,  Jun Noguthi

发明人： Satoru Ishizuna ,  Hiroaki Suzuki ,  Junji Yoshida ,  Hiroyuki Kawamura ,  Isao Nakata ,  Michie Hirane ,  Sadaichi Takamatsu ,  Jun Noguthi

IPC分类号： B21C23/00

CPC分类号： F16D3/2055 ,  B21K1/762 ,  F16D3/223 ,  F16D2250/00 ,  F16D2300/10 ,  Y10T29/49689

摘要： First shaped item with shaft part is produced by forward extrusion forming of work, and further, upset forming thereof is carried out to thereby obtain second shaped item with large-diameter part. Subsequently, backward extrusion forming of the second shaped item is carried out to thereby obtain third shaped item having not only cup part provided with ball rolling grooves but also circular diameter expansion portion provided at the mouth area of the inside wall of the cup part along the circumferential direction in such a fashion that the diameter is gradually expanded from the bottom side toward the opening side. Outer ring member for constant-velocity joint is obtained by further subjecting the third shaped item to low-temperature annealing treatment, shot blast treatment and lubricating chemical coating treatment, and thereafter to ironing forming.

摘要翻译： 具有轴部的第一成形品通过工件的正向挤压成形而进行，进一步进行镦锻成形，得到具有大直径部的第二成形品。 随后，进行第二成形物的向后挤压成形，从而获得不仅具有滚珠滚动槽的杯部的第三成形件，而且还具有设置在杯部的内壁的口部区域的圆形扩径部 圆周方向的直径从底侧向开口侧逐渐扩大。 通过进一步对第三形状物进行低温退火处理，喷丸处理和润滑化学涂布处理，然后进行熨烫成形，得到等速接头的外圈构件。

公开(公告)号：US20090013746A1

公开(公告)日：2009-01-15

申请号：US12224330

申请日：2007-01-18

申请人： Satoru Ishizuna ,  Hiroaki Suzuki ,  Junji Yoshida ,  Hiroyuki Kawamura ,  Isao Nakata ,  Michie Hirane ,  Sadaichi Takamatsu ,  Jun Noguthi

发明人： Satoru Ishizuna ,  Hiroaki Suzuki ,  Junji Yoshida ,  Hiroyuki Kawamura ,  Isao Nakata ,  Michie Hirane ,  Sadaichi Takamatsu ,  Jun Noguthi

IPC分类号： B21C23/20

CPC分类号： F16D3/2055 ,  B21K1/762 ,  F16D3/223 ,  F16D2250/00 ,  F16D2300/10 ,  Y10T29/49689

摘要： First shaped item with shaft part is produced by forward extrusion forming of work, and further, upset forming thereof is carried out to thereby obtain second shaped item with large-diameter part. Subsequently, backward extrusion forming of the second shaped item is carried out to thereby obtain third shaped item having not only cup part provided with ball rolling grooves but also circular diameter expansion portion provided at the mouth area of the inside wall of the cup part along the circumferential direction in such a fashion that the diameter is gradually expanded from the bottom side toward the opening side. Outer ring member for constant-velocity joint is obtained by further subjecting the third shaped item to low-temperature annealing treatment, shot blast treatment and lubricating chemical coating treatment, and thereafter to ironing forming.

摘要翻译： 具有轴部的第一成形品通过工件的正向挤压成形而进行，进一步进行镦锻成形，得到具有大直径部的第二成形品。 随后，进行第二成形物的向后挤压成形，从而获得不仅具有滚珠滚动槽的杯部的第三成形件，而且还具有设置在杯部的内壁的口部区域的圆形扩径部 圆周方向的直径从底侧向开口侧逐渐扩大。 通过进一步对第三形状物进行低温退火处理，喷丸处理和润滑化学涂布处理，然后进行熨烫成形，得到等速接头的外圈构件。