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ISO 12945-2:2020(E)
ISO 12945-2：2020（E）
5.2 Drive and base plate attachments
5.2 驱动器和底板附件
5.2.1 Drive
5.2.1 驱动
Movement of the test specimen holder guide plate carrying the test specimen holder bearing housings and bearings and consequently the test specimen holders themselves is performed by the following units:
试样夹持器、承载试样夹具、轴承座和轴承的试样夹持器导板以及试样夹具本身的移动由以下装置执行：
a〕 two outer synchronised drive units with the distance of the axis of the drive units from their central axis of(12±0,25) mm;
a〕 两个外同步驱动单元，驱动单元的轴线与其中心轴线的距离为（12±0,25）mm;
b) central drive unit, with the distance of the axis of the drive unit from its central axis of(12±0,25) mm.
b） 中央驱动单元，驱动单元的轴线与其中心轴线的距离为（12±0,25）mm。
The maximum stroke of the test specimen holder guide plate in both the length and traverse directions is(24±0,5) mm.
试样夹持导板在长度和横移方向上的最大行程为（24±0.5）mm。
5.2.2 Counter, for counting the pilling rubs and measures to an accuracy of 1 rub.
5.2.2 计数器，用于计数起球摩擦和测量，精度为 1 摩擦。
5.2.3 Pilling tables, each consisting of the following elements:
5.2.3 起球表，每个起球表由以下元素组成：
a) pilling table (see Figure 1);
a）起球表（见图1）;
b) clamping ring(see Figure 2);
b）夹紧环（见图2）;
c) clamping mechanism to fasten the clamping ring.
c） 夹紧机构，用于固定夹紧环。
5.2.4 Test specimen holder guide plate, comprising a metal plate in which three guide s engage the drive units.
5.2.4 试样夹具导板，包括一个金属板，其中三个导向装置与驱动单元啮合。
These interact so as to ensure a uniform, smooth and low vibration movement of the test specimen holder guide plate.
它们相互作用，以确保试样夹具导板的均匀、平稳和低振动运动。
The test specimen holder guide spindles are located in bearing housings secured to the guide plate,central to each pilling table. Each bearing housing carries two bearings. The guide spindles shall be freely moving and free from play in the bearings.
试样夹持器导轴位于轴承座中，固定在导板上，位于每个起球台的中心。每个轴承座都带有两个轴承。导向主轴应自由移动，不得在轴承中游隙。
5.2.5 Test specimen holder, for every work station, comprising the following component parts:
5.2.5 试样夹具，用于每个工作站，包括以下组成部分：
a) test specimen holder(see Figure 3);
a） 试样夹持器（见图3）;
b) test specimen holder ring;
b） 试样夹具环;
c) test specimen holder guide spindle.
c） 试样夹具导向主轴。
The test specimen holder complete with guide spindle and test specimen holder ring shall have a mass of(155±1)g.
配有导向主轴和试样夹具环的试样夹具夹具的质量应为（155±1）g。
5.2.6 Loading pieces, comprising an additional loading piece in the form of a stainless-steel disc which can be applied to the test specimen holder (5.2.5) provided for each working station on the testing machine (see Figure 4). The mass of the disc is (260±1)g.
5.2.6 加载件，包括一个不锈钢盘形式的附加加载件，可以应用于为试验机上每个工作站提供的试样夹具（5.2.5）（见图4）。圆盘的质量为（260±1）g。
The mass of the complete test specimen holder and stainless-steel disc(415±2)g.
完整试样夹具和不锈钢圆盘的质量（415±2）g。
5.2.7 Auxiliary device for test specimen mounting, required for mounting the test specimen without folds on the specimen holder (see Figure 5).
5.2.7 试样安装辅助装置，用于在试样夹具上安装无折叠的试样（见图5）。
5.2.8 Pilling table test specimen mounting weight, complete with handle, required for mounting the test specimen or abradant without folds or creases on the pilling table. The mounting weight mass is(2,5±0,5) kg and diameter(120±10) mm.
5.2.8 起球台试样的安装重量，配有手柄，用于安装试样或磨蚀台上没有褶皱或折痕。安装重量质量为（2,5±0,5）kg，直径（120±10）mm。
© ISO 2020-All rights reserved 3
© ISO 2020-版权所有 3
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