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    • 1. 发明授权
    • 소결 함유 베어링의 제조 방법
    • 制造烧结油保持轴承的方法
    • KR100869416B1
    • 2008-11-21
    • KR1020077004224
    • 2005-08-22
    • 히다치 훈마츠 야킨 가부시키가이샤
    • 곤도마코토
    • F16C33/14B22F3/24
    • B22F3/093F16C33/14F16C2220/20Y10S384/902Y10T29/49702Y10T29/49703Y10T29/49705Y10T29/49707Y10T29/49709
    • 다이스(1O) 상에 일단면(1a)을 접촉시켜 소결 베어링(1)을 탑재하고, 이 소결 베어링(1)의 타단면(1b)에 공구(4O)를 접촉시키고, 공구(40)로 소결 베어링(1)을 가압하면서, 진동자(20)를 가동시켜 혼(30)으로부터 상기 공구(40)에 축방향의 고주파 진동을 주고, 소결 베어링(1)의 양단면(1a, 1b)을, 반복 충격을 줌으로써 봉공한다. 소결 베어링(1)이 접하는 다이스(10) 및 공구(40)를, 모두 표면의 면 거칠기:O.4s 이하, 경도:HRA60 이상인 것을 이용한다. 또, 공구(40)가 소결 베어링(1)을 가압하는 압력:70~700㎪, 고주파 진동의 출력:50~3000W/㎠, 주파수:10~50㎑로 설정한다.
    • 烧结轴承1的端面1a抵接在模具10上,从而将烧结轴承1安装在其上,并且工具40抵接在烧结轴承1的另一端面1b上。当烧结轴承1被按压时 工具40通过操作振动器20从喇叭30向工具40提供轴向的高频振动,从而对烧结轴承1的两个端面1a和1b产生反复冲击,并且端部的孔 从而密封表面1a和1b。 模具10和工具40具有邻接烧结轴承1的表面,表面的粗糙度为0.4s以下,硬度为HRA 60以上,该工具在70〜700kPa的压力下压制烧结轴承。 提供给工具40的高频振动具有50至3000W / cm 2的功率,并且其频率为10至50kHz。
    • 2. 发明授权
    • 소결함유 베어링
    • 烧结轴承
    • KR1019940002803B1
    • 1994-04-02
    • KR1019900016495
    • 1990-10-17
    • 니혼 덴산 산쿄 가부시키가이샤
    • 나가가와히사야
    • F16C33/14
    • B22F5/106B22F3/1109B22F5/10B22F2998/00F16C17/02F16C33/104F16C33/145F16C2220/20F16C2223/04Y10S384/902Y10T29/49668
    • A sintered oil-impregnated bearing is disclosed having a plurality of evenly extending smoothed areas on the inner periphery surface for receiving a rotary shaft, the smoothed areas having a constant angular width of 10 DEG to 90 DEG , the remaining surface areas between any adjoining two of said smoothed areas being kept porous. Such a sintered oil-impregnated bearing can be realized without the process of aging and ensures a good oil circulation on the smoothed surface areas, a high precision assembling operation because of the exactly circular and concentric configuration of the inner and outer peripheries and an easy and accurate alignment of the smoothed surface areas and the corresponding contact areas of the rotary shaft. Therefore, a sintered oil-impregnated bearing according to the invention is free from any metallurgical damage and can be manufactured in an existing manufacturing facility without significantly modifying the manufacturing equipment.
    • 公开了一种烧结的含油轴承,其在内周面上具有多个均匀延伸的平滑区域,用于接收旋转轴,平滑区域具有10°至90°的恒定角宽度,在任何相邻的两个之间的剩余表面积 所述平滑区域保持多孔。 这种烧结的含油轴承可以在没有老化的过程的情况下实现,并且确保在平滑的表面区域上的良好的油循环,由于内外周的精确圆形和同心构造而进行的高精度组装操作, 平滑的表面区域和旋转轴的相应的接触区域的精确对准。 因此,根据本发明的烧结油浸轴承没有任何冶金损坏,并且可以在现有制造设备中制造而不显着地改变制造设备。
    • 7. 发明授权
    • 소결함유 베어링
    • 烧结多孔轴承
    • KR100224000B1
    • 1999-10-15
    • KR1019960034169
    • 1996-08-19
    • 삼성전기주식회사
    • 정대현
    • F16C27/06
    • F16C33/1075F16C17/028F16C33/104Y10S384/902
    • A sintered oilless kinetic pressure bearing containing an oil is formed with a plurality of grooves along the inner diameter to produce the kinetic pressure, in which the proportion between the groove and corresponding inner periphery portion is appropriately maintained according to the Reynolds equation for decreasing initial abrasion and heightening durability to lengthen the life while a pressure is induced throughout the inner periphery for providing a stiffness coefficient impervious to a great impact or high load imposed by an external force and heightening stability in the rotating motion. The bearing in a cylindrical sintered oilless bearing includes a plurality of grooves along the inner periphery plane thereof in the lengthwise direction of a shaft such that an interval between the grooves become respective inner periphery portions and the groove and inner periphery portion are partitioned by side planes. Thus, assuming that an angle range of the groove is denoted by alpha and an angle range of the inner periphery portion is by beta .
    • 9. 发明授权
    • 일방향성 다공질 금속을 이용한 정압 에어 베어링 스핀들시스템
    • 使用单向多孔金属的航空轴承主轴系统
    • KR100871278B1
    • 2008-11-28
    • KR1020070066010
    • 2007-07-02
    • 경상대학교산학협력단
    • 허보영엄용수윤재홍
    • F16C32/06F16C33/12
    • F16C32/0618F16C32/0603F16C35/10Y10S384/902
    • A hydrostatic air bearing spindle system using unidirectional porous metal can minimize the deformation and scuff of the main spindle due to the vibration, abrasion, and frictional heat by forming an air curtain in the part directly rubbed with the main spindle in the rotation by the air. A hydrostatic air bearing spindle system using unidirectional porous includes a motor housing(10); a bearing housing(9) integrally formed with the motor housing; a main spindle(3) installed through the inner center of the bearing housing and motor housing; a motor(11) which is installed to surround the main spindle inside the motor housing; and a plurality of unidirectional porous metal bearings(1) which is coaxially installed to surround the main spindle inside the bearing housing in which air holes(2) having a directivity are formed on the outer circumference.
    • 使用单向多孔金属的静压空气轴承主轴系统可以通过在空气旋转中直接与主轴摩擦的部件中形成气帘,由于振动,磨损和摩擦热而使主轴的变形和磨损最小化 。 使用单向多孔的静压空气轴承主轴系统包括马达壳体(10); 与马达壳体一体形成的轴承壳体(9); 主轴(3)通过轴承座和电动机壳体的中心安装; 马达(11),其安装成围绕马达壳体内的主轴; 以及多个单向多孔金属轴承(1),其同轴地安装成围绕轴承壳体内的主轴,其中在外周形成有具有方向性的空气孔(2)。