CN104220279B - 悬架支撑轴承 - Google Patents

悬架支撑轴承 Download PDF

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Publication number
CN104220279B
CN104220279B CN201380005682.9A CN201380005682A CN104220279B CN 104220279 B CN104220279 B CN 104220279B CN 201380005682 A CN201380005682 A CN 201380005682A CN 104220279 B CN104220279 B CN 104220279B
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component
spring bearing
suspension spring
bearer ring
sealing device
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CN104220279A (zh
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拉尔夫·施陶特纳
安德烈亚斯·韦尔纳
赖纳·卢茨
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/761—Sealings of ball or roller bearings specifically for bearings with purely axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/042—Housings for rolling element bearings for rotary movement
    • F16C35/045—Housings for rolling element bearings for rotary movement with a radial flange to mount the housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/128—Damper mount on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Sealing Of Bearings (AREA)
  • Rolling Contact Bearings (AREA)
  • Springs (AREA)
  • Fluid-Damping Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

本发明涉及一种悬架支撑轴承(1)，所述悬架支撑轴承具有两个能够相对于彼此围绕纵轴线(z)转动并且相对于彼此定心的组件(11，12)，所述组件包含两个各配属于一个组件(11，12)的能够进行支承地相对于彼此转动的轴承环(2，3)以及密封装置(8)。为了将密封装置(8)和定心装置在其功能方面彼此分离进而低成本地构成，在轴承环中的一个(2)上设有一件式的双组分构件(5)，所述双组分构件借助于第一组分部使组件(11，12)相对于彼此定心并且借助于第二组分部形成密封装置(8)，所述第一组分部与第二组分部相比具有更高的刚度。

Description

悬架支撑轴承
技术领域
本发明涉及一种悬架支撑轴承，所述悬架支撑轴承具有两个能够相对于彼此围绕纵轴线转动并且相对于彼此定心的组件，所述组件包含两个各配属于一个组件的、能够进行支承地相对于彼此转动的轴承环以及在构件之间作用的密封装置。
背景技术
悬架支撑装置从车辆技术中已知。在此，一个组件固定地与车辆的车身连接并且另一个组件与车轮连接。组件沿着其纵轴线设有阻尼装置，例如压缩弹簧和减震器的组合，所述阻尼装置补偿道路的不平坦。为了确保组件相对于彼此的可转动性，例如为了能够使车轮转向，例如在DE 10 2006 057 559 A1中提出一种作为滚动轴承的悬架支撑轴承，所述悬架支撑轴承具有形成组件的两个轴承环和设置在其间的滚动体和承载部分以及密封装置。在此，每个轴承环配设有一个承载部分。围绕上部的承载部分设有另一个形成密封装置的塑料部分，所述塑料部分相对于下部的承载部分密封。在此，密封装置在悬架支撑装置上的容纳部和承载部分之间张紧，由此在负荷下密封装置的软材料变形并且能够损害密封效果。此外，两个能够相对于彼此通过悬架支撑轴承转动的组件的定心变难。
发明内容
本发明的目的是有利地改进具有密封装置的悬架支撑轴承并且提供悬架支撑轴承的定心。
所述目的通过一种悬架支撑轴承来实现，所述悬架支撑轴承具有两个能够相对于彼此围绕纵轴线转动并且相对于彼此定心的组件，所述组件包含两个各配属于一个组件的、能够进行支承地相对于彼此转动的轴承环以及在构件之间作用的密封装置，其中在轴承环中的一个上设有一件式的双组分构件，所述双组分构件借助于第一组分部使组件相对于彼此定心并且借助于第二组分部形成密封装置，第一组分部与第二组分部相比具有较高的刚度。借助于双组分构件，能够简化和改进悬架支撑轴承的组件。在此，硬的组分部用于使具有两个轴承环的轴承定心，进而使悬架支撑装置的两个组件相对于彼此定心，而较软的组分部形成密封装置。在此，轴承环能够以相对于彼此滑动的方式设置并且形成滑动轴承。优选地，然而，悬架支撑轴承构成为单排的或多排的滚动轴承，如深沟球轴承、角接触球轴承等，使得除径向引导之外也能够实现对悬架支撑装置的组件的轴向引导。
双组分构件例如能够借助于双组分注塑成型法来制造，其中两个组分部以材料配合的方式彼此连接。在此，此外，为了两个组分部之间的更好的力传递，能够设有形状配合。对此，一个组分部能够具有悬臂、臂部等，所述悬臂、臂部等接合到另一个组分部的互补的凹部中。在此，证实为尤其有利的是：在第一制造步骤中借助于注塑成型法制造具有相应的凹部的硬的组分部并且随后再注入第二组分部，使得相应的臂部或扩宽部流入到凹部中并且随后变硬，从而建立所述的形状配合。此外，证实为有利的是，双组分环借助于板部分来强化。这种板部分在注入过程期间就已经能够优选地注入到硬的组分部中或者后续地被固定。板部分对此具有相应的凹部，所述凹部由硬的组分部贯穿。板部分优选用作为相对于悬挂支撑装置的组件之一的接触面并且优选地设在双组分构件相对于密封装置的端面上。
双组分构件有利地通过下述方式用于使悬架支撑装置的组件和悬架支撑轴承定心：双组分构件环形地构成有外部的定心面和贴靠在轴承环上的侧部。在此，密封装置优选径向地在侧部和外周之间套筒形地设有端侧的密封唇。由此，与悬架支撑轴承相对于悬架支撑装置的组件的定位和定心无关地实现容纳密封装置，使得所述密封装置能够借助于其密封唇在不受定位和定心影响的情况下相对于配合密封面密封。
根据一个有利的实施例，构成为外环的轴承环容纳在第一组件的边缘上，优选地容纳在形成悬架支撑装置的管部分的或与其连接的构件上。第二组件、优选悬架支撑装置的头部分借助于双组分构件通过下述方式相对于第一组件定心：构成为内环的轴承环容纳在双组分构件的侧部上，并且头部分借助于内周面定心地容纳在双组分构件的外周上。在此，双组分构件以优选的方式在其内周上包围构成为内环的轴承环，使得基本上完全封装轴承环和必要时在其之间滚动的滚动体。双组分构件的径向内部包围轴承环的部分能够由软的、例如不那么坚硬的组分部形成并且具有密封唇或密封边，所述密封唇或密封边贴靠在悬架支撑装置的构件上进而构成动态的密封件。优选在悬架支撑装置的两个组件之间的密封径向向外进行。对此，密封装置能够具有分别贴靠在组件的密封面上并且必要时预紧的密封唇。已经证实为尤其有利的是，两个组件的密封面轴向地搭接并且密封面之间的径向密封借助于密封装置进行。
附图说明
根据在图1至5中示出的实施例详细阐述本发明。在此示出：
图1示出悬架支撑轴承的部分剖面图，
图2和3示出图1的悬架支撑轴承的不同的剖面视图，
图4示出贯穿具有加固部的双组分构件的剖面，并且
图5示出图4的双组分构件的部分视图。
具体实施方式
图1示出悬架支撑轴承1，所述悬架支撑轴承具有能够围绕纵轴线z转动的组件11、12。在此，组件11能够借助于内侧如内直径或借助于外侧如外直径容纳在悬架支撑装置的圆顶中。组件12优选地安置在悬架支撑装置的管部分中。悬架支撑轴承1形成另一个组件，所述另一个组件包含两个轴承环2、3和在其上滚动的滚动体4。
此外，优选地，构成为环形的双组分构件5借助于形成定心面22的侧部32容纳在配属于要与悬架支撑装置的圆顶连接的组件11的轴承环2上。轴承环3定心地容纳在管部分14的边缘33上。双组分构件5经由其外周6使组件11的头部分13经由其定心面7定心。此外，在双组分构件5上设有密封装置8，所述密封装置向外封装轴承环2、3以及滚动体。对此，在其上设有轴向扩宽的、基本上套筒形的凸肩9、10，所述凸肩在轴承环2、3的径向外部和径向内部具有密封接触部15、16。在径向内部，密封接触部15在管部分14的密封面17上预紧的条件下密封。在径向外部，组件12的管部分14和头部分13沿着纵轴线z轴向相交。在此，凸肩10的构成为密封唇的密封接触部16密封在头部分13和管部分14之间的间隙以形成径向密封。
如从图1的悬架支撑轴承1的在图2和3中示出的部分剖面中得知，双组分构件5由不同的组分部18、19形成。在此，组分部18由坚硬的、例如强化的塑料制造，而由组分部19制造的凸肩10不那么坚硬地、例如由如EPDM(三元乙丙橡胶)、NBR(丁腈橡胶)等的密封材料构成。凸肩9能够由组分部18或组分部19制造。双组分构件5优选在双组分部注塑成型法中制造，其中首先预注入一个组分部、优选组分部18并且再注入第二组分部、优选组分部19以形成材料配合。为了避免破裂，——如从图2和3的概览中可见的——在组分部18中设有在环周上分布的凹部20，凸肩10的轴向扩宽的臂部21注入到所述凹部中，使得在组分部18、19之间构成形状配合。坚硬的组分部18形成在轴承环2和头部分13之间的定心装置，而径向地在定心面22和外周6之间与出现的力路径分离地，凸肩10由不那么坚硬的组分部19形成，使得能够在密封唇23、24和一方面头部分13以及另一方面管部分14之间构成持久的和不受干扰的密封接触部。
图4和5在相对于图1至3的双组分构件5改变的情况下示出双组分构件5a的剖面或部分剖面图，所述双组分构件具有由板部分25形成的加固部26。加固部26带给双组分构件5a附加的稳定性和耐磨强度，尤其是在其与组件11的构件、例如头部分13(图1)的接触面上。对此，板部分25在径向外部和径向内部借助于箍27、28包围组分部18a。箍27、28借助于在环周上分布的连接片29彼此连接。组分部18a具有在外周上径向突出的在环周上分布的定心凸块30，所述定心凸块形成相对于头部分13(图1)的定心。替选地，能够在板部分25上设有类似的定心凸块。板部分25优选在制造双组分构件5a期间借助于注塑成型法注入到组分部18a中。在示出的实施例中，两个凸肩9a、10a由软的组分部19a制造并且形状配合地与组分部18a连接。
附图标记列表：
1 悬架支撑轴承
2 轴承环
3 轴承环
4 滚动体
5 双组分构件
5a 双组分构件
6 外周
7 定心面
8 密封装置
9 凸肩
9a 凸肩
10 凸肩
10a 凸肩
11 组件
12 组件
13 头部分
14 管部分
15 密封接触部
16 密封接触部
17 密封面
18 组分部
18a 组分部
19 组分部
19a 组分部
20 凹部
21 臂部
22 定心面
23 密封唇
24 密封唇
25 板部分
26 加固部
27 箍
28 箍
29 连接片
30 定心凸块
32 侧部
33 边缘
z 纵轴线

Claims (10)

1.一种悬架支撑轴承(1)，所述悬架支撑轴承具有两个能够相对于彼此围绕纵轴线(z)转动并且相对于彼此定心的组件(11，12)，所述组件包含两个各配属于一个组件(11，12)的、能够进行支承地相对于彼此转动的轴承环(2，3)以及密封装置(8)，其特征在于，在所述轴承环中的一个(2)上设有一件式的双组分构件(5，5a)，所述双组分构件借助于第一组分部(18，18a)使所述组件(11，12)相对于彼此定心并且借助于第二组分部(19，19a)形成所述密封装置(8)，所述第一组分部与所述第二组分部(19，19a)相比具有更高的刚度，所述双组分构件(5a)至少部分地借助于板部分(25)来加固，所述板部分(25)具有在外周上径向突出的在环周上分布的定心凸块。
2.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，两个所述组分部(18，18a，19，19a)以形状配合的方式彼此连接。
3.根据权利要求1或2所述的悬架支撑轴承(1)，其特征在于，所述双组分构件(5，5a)借助于注塑成型法制造。
4.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，所述双组分构件(5，5a)环形地构成有侧部(32)的贴靠在所述轴承环(2)上的定心面(22)和设在外周(6)上的外部的定心面。
5.根据权利要求4所述的悬架支撑轴承(1)，其特征在于，所述密封装置(8)径向地在侧部(32)和外周(6)之间套筒形地设有端侧的密封唇(23，24)。
6.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，构成为外环的所述轴承环(3)容纳在第一组件(12)的边缘(33)上，并且在构成为内环的所述轴承环(2)的内周上容纳所述双组分构件(5，5a)，所述双组分构件对搭接所述第一组件(12)的第二组件(11)进行定心。
7.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，所述双组分构件(5，5a)在其内周上包围构成为内环的所述轴承环(2)。
8.根据权利要求7所述的悬架支撑轴承(1)，其特征在于，包围所述轴承环(2)的部分由所述第二组分部(19，19a)的材料形成。
9.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，所述板部分(25)被喷射到所述双组分构件(5a)的背离所述密封装置(8)的端侧上。
10.根据权利要求1所述的悬架支撑轴承(1)，其特征在于，所述双组分构件(5，5a)配属于与悬架支撑的圆顶连接的组件(11)。
CN201380005682.9A 2012-02-14 2013-01-21 悬架支撑轴承 Expired - Fee Related CN104220279B (zh)

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