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    • 73. 发明授权
    • Modular hydrostatic bearing with carriage form-fit to PR
    • 模块式静压轴承,带有支架,适用于公关
    • US5971614A
    • 1999-10-26
    • US925399
    • 1997-09-08
    • Nathan R. KaneAlexander H. Slocum
    • Nathan R. KaneAlexander H. Slocum
    • F16C29/02F16C29/00
    • F16C32/06F16C29/025
    • A modular hydrostatic bearing for use in precision machine tools and the like, where a load is supported by bolting it to modular bearing carriages or trucks which ride on parallel bearing rails, where the carriages or trucks are kept from making physical contact with the bearing rails by hydrostatic bearing pockets formed in the carriages, and where the bearing rail has two sides and two or more surfaces per side that form load carrying surfaces that the hydrostatic bearing pockets run against, and where the bearing rail load carrying surfaces have precision smooth continuous curves between them, such that the carriage can be formed with a mating surface containing the hydrostatic bearing pockets and also have smooth continuous surfaces between the hydrostatic bearing pockets, such that the carriage can be fitted over the rail with clearance suitable for hydrostatic bearing operation, but greatly reduced leakage flow because there is no direct leakage flow to the atmosphere from between sets of adjacent load carrying hydrostatic bearing pockets; and wherein the special curved profiles of the rails create surfaces with which carriages' hydrostatic bearing pockets react to support a load, and in which the rails also have special contours that create surface self compensating resistance paths directly between the pressure supply grooves and the load-bearing hydrostatic pockets, and in which the special compensation contours are oriented at an angle to the leakage paths from the hydrostatic pockets to the drains, thereby causing flow to the hydrostatic pockets inversely proportional in relation to the amount of bearing gap closure between the pockets and the rail.
    • 一种用于精密机床等的模块化静压轴承,其中负载通过螺栓连接到坐在平行的轴承轨道上的模块化轴承支架或卡车上而被支撑,其中托架或卡车不与轴承轨道物理接触 通过形成在滑架中的静压轴承座,并且其中轴承轨道具有两侧和每侧的两个或更多个表面,其形成承载表面,使得静压轴承座抵靠着,并且其中承载轨承载表面具有精确平滑的连续曲线 在它们之间,使得滑架可以形成有包含静压轴承凹口的配合表面,并且在静压轴承凹部之间还具有平滑的连续表面,使得滑架可以安装在具有适于静压轴承操作的间隙的轨道上,但是 大大减少了泄漏流量,因为没有直接的泄漏流向大气层 一套相邻负载静压轴承座; 并且其中轨道的特殊弯曲轮廓产生表面,滑架的静压轴承凹座与支架的静压轴承座反应以支撑负载,并且其中轨道还具有特殊轮廓,其直接在压力供给槽和负载 - 轴承静压袋,其中特殊的补偿轮廓与从静压袋到排水沟的泄漏路径成一定角度定向,从而使流体静压袋相对于袋和袋之间的轴承间隙封闭量成反比 铁路。
    • 74. 发明授权
    • Manipulator for automatic test equipment test head
    • 机械手自动测试设备测试头
    • US5931048A
    • 1999-08-03
    • US808131
    • 1997-02-28
    • Alexander H. SlocumCarsten A. HochmuthDavid H. LevySepehr KianiR. Ryan Vallance
    • Alexander H. SlocumCarsten A. HochmuthDavid H. LevySepehr KianiR. Ryan Vallance
    • G01R1/06G01R31/28H01L21/66G05G11/00
    • G01R31/2887Y10T74/20311Y10T74/20341
    • A manipulator for a test head connected to automatic test equipment through a heavy, inflexible cable. The manipulator includes a telescoping column assembly to which is mounted a vertical member. A cradle holding the test head is mounted to the vertical member. The cable is clamped at the vertical member to reduce the amount of force exerted by the cable on the test head. The cradle includes movable members to allow fine positioning of the test head, while maintaining the test head isolated from cable force. Course motion of the test head may be made by moving portions of the manipulator on the opposite side of the cable clamp from the test head. Precise positioning of the test head relative to a handling device is accomplished through a positioning mechanism at the interface between the test head and the handling device. To allow the positioning mechanism to operate, the manipulator has compliance which allows the test head to be forced into position by the positioning mechanism.
    • 用于通过重型,不灵活的电缆连接到自动测试设备的测试头的操纵器。 操纵器包括一个可伸缩的柱组件,其上安装有垂直构件。 夹持测试头的托架安装在垂直构件上。 电缆被夹紧在垂直构件上,以减少电缆施加在测试头上的力量。 支架包括可移动构件,以允许测试头的精细定位,同时保持测试头与电缆力隔离。 可以通过将操纵器的与测试头相对的电缆夹的相对侧上的部分移动来进行测试头的运动。 测试头相对于处理装置的精确定位是通过在测试头和处理装置之间的界面处的定位机构实现的。 为了允许定位机构操作,机械手具有允许通过定位机构将测试头压入到位的顺从性。
    • 77. 发明授权
    • Method of and apparatus for damping bending vibrations while achieving
temperature control in beams and related
    • 减轻弯曲振动的方法和装置,同时实现梁的相关温度控制
    • US5743326A
    • 1998-04-28
    • US318148
    • 1994-10-05
    • Alexander H. Slocum
    • Alexander H. Slocum
    • B23Q1/01B23Q11/00B23Q11/14F16F9/42F16F9/52F16F9/53F16F15/027G05D19/00B23Q15/18
    • B23Q11/141B23Q1/01B23Q11/0032F16F15/027F16F9/42F16F9/52F16F9/53G05D19/00
    • A system for achieving a high degree of damping in beams and structures made from beam-type elements such as machine tools and automation equipment, although the invention can apply to any type of structure which requires damping and/or temperature control. The invention is also concerned with utilization of the same structure to obtain a high degree of temperature control in some cases. A high degree of damping is obtained by making the beam hollow and inserting one or more structural members inside the beam along its approximate length, and then filling the annulus between the axial internal members and the external surrounding structure with a viscoelastic energy absorbing material such that the inner structures and the outer structure are fully linked in shear by the viscoelastic material so that any bending in the beams results in relative shear displacement between the beams which shears the viscoelastic material and thereby dissipates vibration energy. To be effective, the internal structural members must be carefully sized so that their cross sectional area is a substantial portion of the cross sectional area of the outer surrounding structure, and the internal structural members' neutral axes should be located as far as possible away from the surrounding structure's neutral axis. Furthermore, when the internal members are configured as tubes, temperature-controlled fluid (e.g., water) can be circulated through the tubes and used to control the temperature of the structure.
    • 尽管本发明可以应用于需要阻尼和/或温度控制的任何类型的结构,但是用于实现由束式元件(诸如机床和自动化设备)制成的梁和结构中的高度阻尼的系统。 本发明还涉及在某些情况下利用相同的结构获得高度的温度控制。 通过使梁变得中空并沿着其近似长度将一个或多个结构构件插入梁内,然后用粘弹性能量吸收材料填充轴向内部构件和外部周围结构之间的环,从而获得高度的阻尼,使得 内部结构和外部结构通过粘弹性材料在剪切中完全连接,使得梁中的任何弯曲导致剪切粘弹性材料的梁之间的相对剪切位移,从而消散振动能量。 为了有效,内部结构构件必须小心地使其横截面面积是外周围结构的横截面积的大部分,并且内部结构构件的中性轴线应尽可能远离 周围结构的中性轴。 此外,当内部构件被配置为管时,温度控制的流体(例如水)可以循环通过管并用于控制结构的温度。
    • 78. 发明授权
    • Multi-stage telescoping structure
    • 多级伸缩结构
    • US5733096A
    • 1998-03-31
    • US527798
    • 1995-09-13
    • Matthew J. Van DorenAlexander H. SlocumDon Sauer
    • Matthew J. Van DorenAlexander H. SlocumDon Sauer
    • B25J18/02G25J18/04
    • B25J18/025Y10T74/18672
    • A multi-stage telescoping tube structure and a robot including a multi-stage telescoping tube structure. The multi-stage telescoping tube structure includes an outer tube, an intermediate tube, and an inner tube. The intermediate tube is slidably received in the outer tube, and the inner tube is slidably received in the intermediate tube. It further includes a multi-stage screw for arrangement translating rotary motion into linear movement of the tubes, and a drive means coupled to the screw arrangement. The robot further includes a support bracket, rotatably supporting the multi-stage telescoping tube structure, and an electric motor for rotating the arrangement. The structure further includes rail guides engagable with complimentary horizontally extending rails for horizontal movement of the robot.
    • 多级伸缩管结构和包括多级伸缩管结构的机器人。 多级伸缩管结构包括外管,中间管和内管。 中间管可滑动地容纳在外管中,并且内管可滑动地容纳在中间管中。 它还包括用于将旋转运动转换成管的线性运动的多级螺杆,以及联接到螺杆装置的驱动装置。 机器人还包括可旋转地支撑多级伸缩管结构的支撑支架和用于旋转该装置的电动马达。 该结构还包括可引导机器人水平移动的互补水平延伸轨道的轨道导轨。
    • 80. 发明授权
    • Elastically supported self-compensating flow restrictors for optimizing
hydrostatic bearing performance
    • 用于优化静压轴承性能的弹性支撑自补偿流量限制器
    • US5484208A
    • 1996-01-16
    • US239742
    • 1994-05-09
    • Nathan R. KaneAlexander H. Slocum
    • Nathan R. KaneAlexander H. Slocum
    • F16C29/02F16C32/06
    • F16C29/025F16C32/064F16C32/0685
    • A hydrostatic self-compensating bearing straddling a linear bearing rail or a spindle shaft and having, in combination, opposed fluid supply pressure and collector grooves and pockets interconnected so that when a load is applied, one pocket approaches the rail or shaft while the opposite pocket moves away therefrom, allowing flow from the corresponding opposite supply grooves to the corresponding collector grooves to increase and decrease, respectively, providing compensation; each fluid supply pressure groove surrounding a self-compensating flow restrictor elastically connected with its surrounding structure, whereby, as the pressure each collector groove and its oppositely located pocket increases and decreases, respectively, a change in the differential pressure across the elastically supported restrictors causes a deflection thereof away from and toward the rail or shaft, further increasing and decreasing the pressure in the corresponding pocket to provide compensation supplemental to the first-named compensation, and with the restrictor being tunable to optimize hydrostatic bearing performance.
    • 一个静压自补偿轴承,其横跨线性轴承轨道或主轴,并且组合地具有相对的流体供应压力和收集器槽和凹槽,其互连,使得当施加负载时,一个凹穴靠近轨道或轴,而相对的口袋 从其中移出,允许从相应的相对的供给槽流到相应的收集器槽,以分别增加和减少提供补偿; 每个流体供应压力槽围绕与其周围结构弹性连接的自补偿流量限制器,由此,随着每个收集器槽和其相对定位的袋分别增加和减小的压力,弹性支撑的限流器上的压差的变化导致 其偏离远离轨道或轴,进一步增加和减小对应的口袋中的压力,以提供补充第一命名补偿的补偿,并且限制器可调节以优化静水压轴承性能。