the rockwell hardness tester is a precision measurement instrument in material and part hardness testing, which is often used in detection of materials, product and half-finished product.

洛氏硬度计是检测材料和零件硬度较精密的计量仪器，用来测量材料或者成品半成品的相应硬度，其性能指标主要体现在检测精度和操控性两个方面。

this instrument may measure not only in-hole surface rockwell hardness of oil pump tube, but also that of other deep-hole tubes.

既可应用于石油泵管内孔表面洛氏硬度测量，亦可应用于其它深孔管件的内孔表面洛氏硬度测量。

it can used to measure the rockwell hardness of ferrous, non-ferrous metals and plastic materials.

该硬度计适用于黑色金属、有色金属和非金属材料的硬度测定。

this tester is a popular type rockwell hardness testing machine, the construction is firmreliablesafe, operating convenience etc. characteristics.

型电动表面洛氏硬度计具有性能稳定，结构牢靠、安全，操作方便等特点。

the surface morphology, texture and adhesion of the diamond films were investigated by means of scanning electron microscope, x-ray diffractometer and rockwell hardness tester.

用扫描电子显微镜、x射线衍射仪以及洛氏硬度计对样品进行了分析检测。

model hr-150al is a high distance rockwell hardness tester. it's fit for testing rockwell hardness of metal material.

hr-150al加高手动洛氏硬度计是一种高行程洛氏硬度测试仪器，适用于金属材料的洛氏硬度试验。

hrm-45dt motorized superficial rockwell hardness tester adopts motorized testing method. its testing force can be loaded, kept and unloaded automatically. avoid man-made error and easy to use.

hrm-45dt型电动表面洛氏硬度计是一种通过电动加载、保荷卸荷的半自动测试金属材料表面硬度的洛氏硬度计。

the evaluating methods of uncertainty in measuring the metal rockwell hardness in iso/dis6508.1-2004 and astm e18-2003 are introduced. and the methods are compared and analyzed.

介绍了国际标準iso/dis6 508.1-2004和美国astme18标準中对金属洛氏硬度试验测量不确定度的评定方法，并对评定方法进行了比较和分析。

the effect of uncertainty evaluation in rockwell hardness test is described by analyzing and calculating the uncertainty of metal in rockwell hardness test.

通过对金属在洛氏硬度实验检测中的不确定度的分析与计算，介绍不确定度的评定在洛氏硬度实验检测中的作用。

this tester is a popular type rockwell hardness testing machine, the construction is firm and reliable and safe, operating convenience etc. characteristics.

型洛氏硬度计具有性能稳定，结构牢靠、安全，操作方便等特点。

testing apparatuses include two polishing machines, one f20 spectrograph, one rockwell hardness tester, and one metallomicroscope.

抛光机两台，f20光谱仪，洛氏硬度计，金相显微镜各一台。

as for the problem of surface rockwell hardness measurement of deep hole in measurement field, this article develops a kind of portable micro-control surface rockwell apparatus.

针对测量领域深孔表面洛氏硬度测量存在的问题，研制了一种便携式微控表面洛氏硬度计。

the results show that the average rockwell hardness of the layer is 55.7, the erasibility of the layer is 1.28. it indicates that the rod has perfect processing properties and h…

结果表明堆焊合金的平均洛氏硬度为55.7，相对耐磨性为1.28，具有良好的工艺性能，高温抗氧化性能优于基体材料。

equipped with automatic detectors, rockwell hardness tester and the five elements and carbon and sulphur told analyzer.

配备自动探伤仪，洛氏硬度仪和五元素及碳硫告诉分析仪。

the result showed that the rockwell hardness of the high pearlite-containing nodular iron camshaft increased with increasing of its nodularity and pearlite content.

结果表明，高珠光体含量球铁凸轮轴的洛氏硬度随着球化率和珠光体含量的升高而增加。

abrasive hardness measurement method, more commonly used are hand-cone method, mechanical cone method, rockwell hardness tester hardness measurement method and blasting assay.

测定磨具硬度的方法，较常用的有手锥法、机械锥法、洛氏硬度计测定法和喷砂硬度计测定法。

the basic principles and practical applications of measurement uncertainty are introduced by evaluating and analyzing measurement of metal rockwell hardness c.

通过对金属洛式硬度c标尺的不确定度评定与分析，介绍了不确定度的基本原理及其在硬度实验中的实践应用。