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1.发明公开
公开(公告)号：EP1043579A1
公开(公告)日：2000-10-11
申请号：EP00107154.7
申请日：2000-04-10
IPC分类号： G01N3/08
CPC分类号： G01N3/14 , G01N3/08 , G01N2203/0075
摘要： A test apparatus is provided for measuring loads applied to an object and for measuring the deformation of the object in response to the loads. The test apparatus includes a stationary work head and a movable arm. The movable arm is selectively movable toward or away from the stationary work head. A load cell has a driven end mounted to the movable arm and a sensing end spaced from the movable arm. A movable work head is mounted to the sensing end and is configured for applying a load to a test object positioned between the stationary and movable work heads. A liner scale also is mounted to the sensing end of the load cell, and a linear encoder or read head is mounted in spaced relationship to the linear scale. The encoder reads deflection in the apparatus in view of loads applied during a test. A controller is provided for moving the movable work head in accordance with test parameters. The controller also receives output from the load cell and the read head, and uses that outputted information to develop stress-strain analytical data.
摘要翻译： 提供一种测试装置，用于测量施加到物体上的载荷并用于测量物体响应于载荷的变形。 测试装置包括固定工作头和可动臂。 可动臂可选择性地朝向或远离固定工作头移动。 测力传感器具有安装到可动臂的驱动端和与可动臂间隔开的感测端。 可移动工作头安装在感测端，并被构造成将负载施加到位于固定和可移动工作头之间的测试对象。 线圈刻度也安装在测力传感器的感测端，并且线性编码器或读取头以与线性刻度成间隔的关系安装。 考虑到在测试期间施加的负载，编码器读取装置中的偏转。 提供控制器，用于根据测试参数移动可移动工作头。 控制器还接收来自测力传感器和读取头的输出，并使用该输出信息来开发应力应变分析数据。
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2.发明公开Apparatus and method for testing static and kinetic frictional coefficients of a sheet material 失效装置和方法用于确定片材的静态和动摩擦系数
公开(公告)号：EP0884579A1
公开(公告)日：1998-12-16
申请号：EP98104611.3
申请日：1998-03-13
IPC分类号： G01N19/02
CPC分类号： G01N19/02
摘要： A horizontal plane frictional coefficient testing apparatus and methods are provided which include a substantially horizontal planar platen (16) having two spaced, parallel movable rails (46,48). The rails (46,48) are actuated by a motor (50) adapted for reversibly raising and lowering the rails relative to the platen. A sled (18) of predetermined weight is also provided having a central body and two pairs of outwardly extending axles (54), with each pair of axles being of equal length and formed with a wheel (60) at the end thereof. The wheels (60) of the sled (18) are formed for engagement with the rails and engagement of the wheels with the rails locates the sled generally parallel to the rails. In operation, a sample of sheet material is fixed to the sled and the sled is placed on the rails, with the rails being in a raised position. Subsequently, the rails are lowered to gently place the sled onto the platen or a test medium (12) fixed to the platen. A drive arm (20) is included with the apparatus for pulling the sled relative to the platen at various rates of translation. A load sensor (22) mounted on the drive arm measures in real time the force applied to the sled during the course of the test. The data collected by the load sensor is transmitted to a central processing unit (24) which calculates the coefficients of friction. A timing mechanism (90) may be provided to monitor the dwell time of the sled on the platen prior to initiation of the tests. Also, a semi-rigid coupling may be used to connect the sled to the drive arm.
摘要翻译： 本发明提供一种水平平面摩擦系数测试装置和方法，其包括具有两个隔开的，平行的可动轨道（46,48）的基本平坦的水平板（16）。 导轨（46,48）是由适于可逆地升高和降低相对于压板轨道的电机（50）致动。 因此，提供预定重量的滑板（18）具有中心体和两对向外延伸的车轴（54）的，每对轴相等长度的，并用在其端部的轮（60）形成。 滑板（18）的轮子（60），形成有用于与轨道车轮与轨道啮合和接合定位平行于轨道滑板基因集会。 在外科手术中，片材的样本被固定在滑板和滑板被放置在轨道上，与轨道处于升起位置中。 随后，将轨道降低到轻轻地放在滑板到压板或固定到压板上的检验介质（12）。 的驱动臂（20）包含在用于在翻译的各种速率滑板相对拉动到压板上的装置。 负载传感器（22）安装在实时的力在测试过程中施加到雪橇驱动臂的措施。 由负载传感器收集的数据被反mitted到中央处理单元（24），其计算摩擦系数的计算。 可以提供定时机构（90）之前，监视压板上的滑板的停留时间，测试开始。 因此，一个半刚性的耦合可被用于滑板连接到驱动臂。
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公开(公告)号：EP1043579B1
公开(公告)日：2003-07-09
申请号：EP00107154.7
申请日：2000-04-10
IPC分类号： G01N3/08
CPC分类号： G01N3/14 , G01N3/08 , G01N2203/0075
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4.发明授权Apparatus and method for testing static and kinetic frictional coefficients of a sheet material 失效装置和方法用于确定片材的静态和动摩擦系数
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