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公开(公告)号：EP1473475A1
公开(公告)日：2004-11-03
申请号：EP03701122.8
申请日：2003-01-20
发明人： MIYASAKA, Motohiro , MARUYAMA, Kazuo , MOGAMI, Michiharu , KOBAYASHI, Junichi , AKITA, Hideki , GOKITA, Osamu
CPC分类号： F16C33/104 , F16C33/1065 , F16C33/12 , F16C2204/60 , F16C2240/40 , Y10S384/902 , Y10T428/12021 , Y10T428/12153
摘要： An oil-impregnated sintered sliding bearing formed of a porous iron-based sintered alloy with quenched structure and receiving a high surface pressure capable of reducing the number of finishing steps by cutting and grinding and providing a bearing performance equivalent to or higher than that of conventional bearings, wherein a plurality of ridge-and-groove lines having a height difference of 2 to 12.5 µm and extending in circumferential direction are axially arranged in parallel with each other by boring the bearing surface thereof to form a wavy surface in axial direction, and the portion thereof deeper by 10 to 60 µm from the outer layer of the bearing surface is formed dense to seal surface pores so as to reduce the pores opening to the outer surface to 1 to 10 percent by area, whereby the bearing can be used at a surface pressure of 6 kgf/mm 2 (58.5 MPa) or higher and a sliding speed of 2 to 5 cm/s.
摘要翻译： 一种油浸式烧结滑动轴承，由具有淬火结构的多孔铁基烧结合金形成，并具有能够通过切割和研磨减少精加工步骤的数量的高表面压力，并且提供与常规相当或更高的轴承性能 轴承，其中通过使其轴承表面钻孔而在轴向方向上钻孔其中具有2至12.5μm的高度差为2至12.5μm并沿圆周方向延伸的多个脊沟槽线彼此平行地布置以在轴向方向上形成波浪形表面， 并且其从轴承表面的外层更深10至60μm的部分被致密地密封以密封表面孔，以便将通过外表面打开的孔减少到1至10％的面积，从而轴承可以 使用的表面压力为6kgf / mm 2（58.5MPa）以上，滑动速度为2〜5cm / s。
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公开(公告)号：EP1473475B1
公开(公告)日：2006-08-09
申请号：EP03701122.8
申请日：2003-01-20
发明人： MIYASAKA, Motohiro , MARUYAMA, Kazuo , MOGAMI, Michiharu , KOBAYASHI, Junichi , AKITA, Hideki , GOKITA, Osamu
CPC分类号： F16C33/104 , F16C33/1065 , F16C33/12 , F16C2204/60 , F16C2240/40 , Y10S384/902 , Y10T428/12021 , Y10T428/12153
摘要： An oil-impregnated sintered sliding bearing formed of a porous iron-based sintered alloy with quenched structure and receiving a high surface pressure capable of reducing the number of finishing steps by cutting and grinding and providing a bearing performance equivalent to or higher than that of conventional bearings, wherein a plurality of irregular lines having a height difference of 2 to 12.5 μm extending in circumferential direction are axially arranged parallel with each other by cutting the inner peripheral surface thereof to form a swelling surface in axial direction, and the portion thereof deeper 10 to 60μm than the front layer of the inner peripheral surface is formed dense to seal surface pores so as to reduce the pores opening to the front surface to 1 to 10 percent of area, whereby the bearing can be used at a surface pressure of 6 kgf/mm2 (58.8 MPa) or higher and a sliding speed of 2 to 5 cm/s.
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