MACRO-MICRO ACTUATED DISTENDED GUIDE RAIL PRECISION ROTATION APPARATUS
    23.
    发明申请
    MACRO-MICRO ACTUATED DISTENDED GUIDE RAIL PRECISION ROTATION APPARATUS 有权
    大型微动导向导轨精密旋转装置

    公开(公告)号:US20150122058A1

    公开(公告)日:2015-05-07

    申请号:US14241935

    申请日:2012-02-06

    Abstract: A macro-micro actuated distended guide rail precision rotation apparatus, having a housing of a torque motor and a bearing housing, both fixedly arranged on an upper surface of a base, and a bearing sleeved on the bearing housing. The inner ring of the bearing sleevingly connected to an intermediate rotating body connected to a bearing inner ring cap. A grating is provided at a lower end of the bearing inner ring cap. A connecting piece is arranged on the upper surface of the housing of the torque motor. The lower end of the connecting piece is fixedly connected to a rotary shaft of the torque motor. The connecting piece and the intermediate rotating body are both connected to the lower end of a fine movement mechanism fixedly connected to a rotary worktable. The rotation apparatus allows for highly precise macro-and-micro linked control, and for rotation control of great rotation range.

    Abstract translation: 一种具有转矩马达和轴承壳体的壳体的微型微型致动膨胀导轨精密旋转装置,两者均固定地设置在基座的上表面上,以及套在轴承壳体上的轴承。 轴承的内圈套筒连接到与轴承内圈盖连接的中间旋转体。 在轴承内圈盖的下端设有格栅。 连接件设置在扭矩电动机壳体的上表面上。 连接件的下端与转矩电动机的旋转轴固定连接。 连接件和中间旋转体都连接到固定连接到旋转工作台的微动机构的下端。 旋转装置允许高度精确的宏观和微观联动控制,以及大旋转范围的旋转控制。

    Optimization method for bending rebound quantity of aluminum roll forming

    公开(公告)号:US12280410B1

    公开(公告)日:2025-04-22

    申请号:US18945585

    申请日:2024-11-13

    Abstract: An optimization method for bending rebound quantity of aluminum roll forming includes the following steps: S1, analyzing the process of aluminum roll forming, and determining decision variables of aluminum rebound quantity and thickness reduction; S2, constructing the optimization model of the bending rebound quantity of aluminum roll forming based on the multi-objective optimization algorithm and clarifying constraints in the process of aluminum roll forming; S3, based on characteristics of the model in S2, proposing the corresponding algorithm to optimize the aluminum rebound quantity and thickness reduction; S4, updating the decision variables that affect the aluminum rebound quantity and thickness reduction; S5, judging the iteration stop condition, and outputting the scheme that improves the bending rebound quantity of roll forming aluminum. The optimization method solves the problem of large bending rebound quantity in roll forming technology, improves the accuracy of roll forming process and production efficiency, and enhances production flexibility.

    Ecological flow determination method for considering lifting amount

    公开(公告)号:US12210584B2

    公开(公告)日:2025-01-28

    申请号:US17361327

    申请日:2021-06-29

    Abstract: An ecological flow determination method for considering a lifting amount a belongs to a technical field of environmental engineering and includes the following steps: collecting, by a collecting device, data needed to calculate an ecological flow; determining, by a calculating device, an ecological base flow; selecting an upper limit and a lower limit of the ecological base flow so as to determine a range of the ecological base flow; verifying the lower limit of the ecological base flow; calculating water demands of landscape wetland, sediment discharge and dilution self purification of three service objects; comparing the water demands of the three service objects so as to determine the lifting amount, and finding out a minimum value and a maximum value to determine a lower limit and an upper limit of the lifting amount in the range; combining the ecological base flow and the lifting amount to determine the ecological flow.

    Variable-size fully-automatic 3D printing system based on cylindrical coordinate system

    公开(公告)号:US11298877B2

    公开(公告)日:2022-04-12

    申请号:US16669602

    申请日:2019-10-31

    Abstract: A variable-size fully-automatic 3D printing system based on a cylindrical coordinate system includes a base provided with a retractable work platform; the base is provided with a vertical support side plate on a side thereof; an upper end of the support side plate is connected to a top plate, and the top plate is located directly above the base; a lower side of the top plate is connected to a sleeve via a column seat; a lower end of the sleeve is provided with a protrusion; a lower end of the protrusion is connected with a cross beam; a lower side of the cross beam is provided with a ball screw a, one end of the ball screw a is connected to a power end of a first servo motor disposed at an outer end of the cross beam.

    Serially-connected ball screw pair and piezoelectric actuator macro-micro driving and guiding device
    27.
    发明授权
    Serially-connected ball screw pair and piezoelectric actuator macro-micro driving and guiding device 有权
    串联滚珠丝杠对和压电执行机构宏微驱动引导装置

    公开(公告)号:US09366327B2

    公开(公告)日:2016-06-14

    申请号:US14001896

    申请日:2011-10-26

    CPC classification number: F16H25/2204 B23Q1/30 B23Q5/40 Y10T74/18656

    Abstract: A serially-connected ball screw pair and piezoelectric actuator macro-micro driving and guiding device includes, from the bottom to the top, a sliding seat (1), a ball screw pair, a sliding table guide rail pairs, a nut seat (6), a piezoelectric actuator (7), a micro-moving table, a nut seat guide rail pairs and a sliding table (1). The axis of a ball screw is symmetric with respect to two sliding table rail pairs, a nut (3) of the ball screw pair is fixedly mounted into the nut seat (6), one end of the piezoelectric actuator (7) is fixedly connected with the nut seat (6) and the other end thereof is fixedly connected with the micro-moving table (8), the axis of the piezoelectric actuator is symmetric relative to two sliding table rail pairs, an upper surface of the micro-moving table is fixedly mounted to a lower surface of the sliding table, and two nut rail pairs are symmetric relative to the axis of the ball screw. The ultra precision feeding in a long stroke within a full journey can be achieved; and the piezoelectric actuator only endures the driving force without enduring the driving torque generated by the driving force of the ball screw pair, thus, so that the piezoelectric actuator is in a good stressed status, which is applicable to a large-load ultra-precision feed system.

    Abstract translation: 一个串联连接的滚珠丝杠对和压电执行器宏观微型驱动和引导装置,包括从底部到顶部的滑动座(1),滚珠丝杠对,滑动台导轨对,螺母座(6 ),压电致动器(7),微移动台,螺母座导轨对和滑动台(1)。 滚珠丝杠的轴线相对于两个滑动台轨对对称,滚珠丝杠对的螺母(3)固定地安装在螺母座(6)中,压电致动器(7)的一端固定连接 与螺母座(6)的另一端与微动台(8)固定连接,压电致动器的轴线相对于两个滑台轨对,微动台的上表面对称 固定地安装在滑动台的下表面,两个螺母导轨对相对于滚珠丝杠的轴线对称。 可以在全程内实现长时间的超精密进给; 并且压电致动器仅承受驱动力而不会承受由滚珠丝杠对的驱动力产生的驱动力矩,使得压电致动器处于良好的应力状态,这适用于大负载超精度 饲料系统

    DEVICE AND METHOD FOR TESTING RIGIDITY AND NON-LINEAR RELATIONSHIP OF COUPLING INTERFACE FOR CYLINDRICAL FITTING
    28.
    发明申请
    DEVICE AND METHOD FOR TESTING RIGIDITY AND NON-LINEAR RELATIONSHIP OF COUPLING INTERFACE FOR CYLINDRICAL FITTING 有权
    用于测试圆柱形接头的耦合接口的刚度和非线性关系的装置和方法

    公开(公告)号:US20150300910A1

    公开(公告)日:2015-10-22

    申请号:US14237336

    申请日:2011-10-27

    CPC classification number: G01M5/0075

    Abstract: A device and a method for testing the rigidity and non-linear relationship of the coupling interface for cylindrical fitting including an axial loading assembly which is provided along a horizontal central line within a side wall of a frame test bench and contacting with the test-piece shaft via a steel ball, a radial loading assembly downward provided along a vertical central line of top board of the frame test bench, a tip of a perpendicular loading part of the radial loading assembly extending into the outer housing of the test-piece housing fixed on an upper plane of a bottom wall of the frame test bench, with the test-piece shaft and the test-piece housing fitted and connected to each other via a coupling interface for cylindrical fitting; a plurality of displacement sensors fixed on the test-piece housing, and test heads of respective displacement sensor assembly aiming at the test-piece shaft.

    Abstract translation: 一种用于测试用于圆柱形接头的联接接口的刚度和非线性关系的装置和方法,包括沿着框架试验台的侧壁内的水平中心线设置的轴向加载组件,并与试验片 轴,其沿着框架测试台的顶板的垂直中心线向下设置的径向加载组件,所述径向加载组件的垂直装载部分的尖端延伸到所述试件壳体固定的外壳体中 在框架试验台的底壁的上平面上,试件轴和试件壳体通过用于圆柱形配合的联接接口彼此配合和连接; 固定在试件壳体上的多个位移传感器和针对试验轴的各个位移传感器组件的测试头。

    Determination method for preferred habitat of fish and terminal device

    公开(公告)号:US11645354B2

    公开(公告)日:2023-05-09

    申请号:US17750027

    申请日:2022-05-20

    CPC classification number: G06F17/00 G06F30/10 G06F30/20

    Abstract: The present invention discloses a determination method for a preferred habitat of fish and a terminal device, wherein the method comprises: acquiring parameter information of a water environment in which target fish is located, and establishing a 3D water environment model by utilizing the parameter information of the water environment; determining an ecological function of the target fish and constructing a bio-simulation model on the 3D water environment model by combining the ecological function; acquiring a movement locus of the target fish in the bio-simulation model and determining potential habitats of the target fish according to the movement locus; and determining the preferred habitat of the target fish from the potential habitats by utilizing a preference learning model based on a density accumulation method.

    Boron-containing titanium-based composite powder for 3D printing and method of preparing same

    公开(公告)号:US11634333B2

    公开(公告)日:2023-04-25

    申请号:US16883657

    申请日:2020-05-26

    Abstract: This invention discloses a boron-containing titanium-based composite powder for 3D printing, consisting of 0.5%-2% by weight of titanium diboride and 98%-99.5% by weight of titanium sponge. The invention further discloses a method of preparing such composite powder, where the element boron is introduced to the titanium powder through rapid solidification, which significantly improves the solid solubility of boron in Ti, enabling the introduction of part of the boron into the titanium matrix to form supersaturated solid solutions. The reinforcement phase TiB in the boron-containing titanium-based composite powder prepared herein can be precisely controlled in grain size ranging from the nanometer scale to the micrometer scale through temperature or energy density, thereby preparing the titanium-based composite materials with different sizes of reinforcement phases to meet different mechanical requirements.

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