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    • 2. 发明公开
    • A device for measuring and adjusting preloading on bearings
    • Vemrichtung zum Messen und Einstellen der Vorspannung在einem Lager
    • EP1134443A2
    • 2001-09-19
    • EP01830166.3
    • 2001-03-13
    • Umbra Cuscinetti S.p.A.
    • Perni, FedericoPizzoni, LucianoMaster, Brett
    • F16C25/06
    • F16C19/522F16C19/548F16C25/06G01L1/2231G01L5/0019G01M13/04
    • A device for measuring and adjusting pre-loading on bearings, measuring and adjusting both the mounting and operating loads, wherein means for applying a preloading and return means are positioned to constitute a single actuator organ (2), comprising two ring elements for distributing the preloading (20, 21), whereof at least one is destined to act against the outer race of a bearing and containing interposed between them a kinematic chain imparting thereon a thrust determined by the action of two or more piezoelectric or magnetostrictive means (22) for applying the preloading and return means (23); to said actuator organ (2) being associated an annular loading cell (3) connected in an external feedback control system for measuring and adjusting said preloading.
    • 一种用于测量和调整轴承上的预加载的装置,测量和调节安装和操作负载,其中施加预加载和返回装置的装置被定位成构成单个致动器器官(2),包括两个环形元件,用于分配 至少有一个预先装载(20,21),其中至少一个注定要作用在一个轴承的外圈上,并且在它们之间插入一个运动链,赋予由两个或更多个压电或磁致伸缩装置(22)的作用确定的推力, 应用预载和返回装置(23); 所述致动器器件(2)与连接在用于测量和调节所述预加载的外部反馈控制系统中的环形负载单元(3)相关联。
    • 5. 发明公开
    • Ball screw
    • 滚珠丝杠
    • EP1475554A1
    • 2004-11-10
    • EP03425289.0
    • 2003-05-06
    • Umbra Cuscinetti S.p.A.
    • Perni, FedericoPizzoini, LucianoPorzi, Carlo
    • F16H25/22
    • F16H25/2223
    • In a ball screw, a nut (6) is mounted coaxially with a shaft (2) having a single external thread (5), and has at least one track (9), which is engaged by a train (10) of balls (11), extends endlessly about a longitudinal axis (3) of the screw, and is defined by a first portion (12) oriented the same way as the external thread (5) and of a first depth, and by a second portion (13) of a second depth greater than the first depth; each track (9) being formed entirely and directly on the nut (6) and in one piece with the nut (6).
    • 在滚珠丝杠中,螺母(6)与具有单个外螺纹(5)的轴(2)同轴地安装,并且具有至少一个轨道(9),所述轨道(9)与滚珠列车 (图11)围绕螺钉的纵向轴线(3)无端地延伸,并且由与外螺纹(5)相同的方式定向且具有第一深度的第一部分(12)和第二部分(13 )大于第一深度的第二深度; 每个轨道(9)完全且直接形成在螺母(6)上并与螺母(6)一体形成。
    • 8. 发明公开
    • Ball screw shaft with increased vibration frequency dissipation
    • 滚珠丝杠轴增加振动频率耗散
    • EP1217255A2
    • 2002-06-26
    • EP01830732.2
    • 2001-11-29
    • Umbra Cuscinetti S.p.A.
    • Pizzoni, LucianoPerni, Federico
    • F16H1/16
    • F16H57/0006F16H25/2204F16H25/24Y10T74/1868Y10T74/19744
    • A ball screw shaft, with increased vibration frequency and improved vibration dissipation, having a longitudinal cylindrical internal cavity (5), closed at its ends by means of inserted terminals or plugs (6), has in said cavity (5) a filling of granular material (7) with low density and high superficial roughness freely distributed and, moreover, according to a variation of the invention, said longitudinal cylindrical internal cavity (5) has inserted therein a pipe (8) made of composite polymeric material, whose outer surface is made adherent and integral with the inner wall of the longitudinal cylindrical cavity (5); said pipe (8) having in its longitudinal cavity (9) said filling made of granular material with low density and high superficial roughness (7).
    • 具有增加的振动频率和改进的振动耗散的滚珠丝杠轴在其端部通过插入的端子或插塞(6)封闭具有纵向圆柱形内腔(5),在所述腔体(5)中具有颗粒填充物 (7)具有自由分布的低密度和高表面粗糙度,并且根据本发明的一个变型,所述纵向圆柱形内腔(5)中插入有由复合聚合物材料制成的管(8),其外表面 与纵向圆柱形空腔(5)的内壁粘附并成为一体; 所述管(8)在其纵向空腔(9)中具有由低密度和高表面粗糙度(7)的粒状材料制成的所述填充物。