| 在工作过程中，铁谱基片连同圆形磁铁一起旋转 |
| 添加时间：2019/11/22 16:14:42 浏览次数： |
| 旋转式铁谱仪是在分析式铁谱仪的基础上发展起来的，对制谱仪进行了改进，克服了分析式铁谱仪的一些问题，如磨粒容易在谱片入口区发生重叠效应，大磨粒在泵送过程中被碾碎而使分析失真等。旋转式铁谱仪的制谱仪由圆形永久磁铁、传动装置、试样输送装置和控制部件等组成。 The rotary Ferrograph is developed on the basis of the analytical Ferrograph. The spectrograph has been improved to overcome some problems of the analytical Ferrograph, such as the overlapping effect of abrasive particles at the entrance of the spectrograph, the analysis distortion caused by the crushing of large abrasive particles during the pumping process, etc. The spectrometer of rotary Ferrograph is composed of round permanent magnet, driving device, sample conveying device and control parts. 在工作过程中，铁谱基片连同圆形磁铁一起旋转，通过加压或是重力方式将试样和清洗剂输送到旋转的基片上，液体在离心作用下被甩出基片，进入废液池中；磨粒则在磁力作用下在基片上形成环状的沉积带。一般旋转式铁谱仪设有2圈～3圈圆环式磁力回路，因而形成2圈～3圈同心圆沉积圈。从内圈到外圈沉积的磨粒尺寸依次降低。由于没有使用泵送，旋转式铁谱仪避免了大颗粒被泵送时碾碎而使结果失真的问题；同时，采用离心方式也缩短了制谱时间。 In the working process, the Ferrograph substrate rotates with the circular magnet, and the sample and cleaning agent are transported to the rotating substrate by means of pressure or gravity. The liquid is thrown out of the substrate under the centrifugal action and enters the waste liquid pool; the abrasive particles form a ring-shaped deposition belt on the substrate under the magnetic action. Generally, the rotating Ferrograph is equipped with two to three circles of magnetic circuit, thus forming two to three circles of concentric circle deposition circle. From the inner ring to the outer ring, the size of the deposited particles decreased in turn. Because no pumping is used, the rotating Ferrograph avoids the distortion of the results caused by the crushing of large particles when they are pumped; at the same time, the centrifugal method also shortens the spectrum making time. 旋转式铁谱仪也是通过铁谱显微镜来观察和分析磨粒。 The rotating Ferrograph is also used to observe and analyze the wear particles by Ferrograph microscope. |
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