洛氏硬度试验

金属洛氏硬度试验方法新国家标准主要技术内容说明

Introduction of Main Technical Contents in New National Standard of Metallic Rockwell Hardness Test

介绍了从2003年5月1日起开始实施的金属洛氏硬度试验国家标准GB/T230.2-2002；

The national standard GB / T 230.2-2002 about Metallic Rockwell hardness test which put into practice on May 1st , 2003 was introduced .

本文对大批量检测较高硬度材料的洛氏硬度试验（C标尺）中主负荷施加速度和总负荷保持时间的选择作了理论分析和实验证明，目的是在提高工效的同时，进一步保证试验精度。

The choices of loading speed and keeping time of the gross load for the Rockwell hardness tests are theoretically analyzed and certified experimentally in the paper . The purposes are to improve the working efficiency and the testing accuracy .

金属洛氏硬度试验测量不确定度评定

The appreciation on the uncertainty on measuring metal Rockwell hardness

洛氏硬度试验中加荷速度和总负荷保持时间的选择

Choices of Loading Speed and Keeping Time of Gross Load for Rockwell Hardness Tests

本文通过在金属洛氏硬度试验中，对不确定度的分析计算，对洛氏硬度试验中的不确定度进行评定。

This article analyses and calculates the uncertainty through testing the metal Rockwell hard -

GB/T230-1991金属洛氏硬度试验方法

Metallic materials-Rockwell hardness test

试验表明可疑数据与试样加工形状尺寸、试样热处理对中性、试样洛氏硬度试验送样装置对试样距离控制和各环节的规范操作有关。

The test results showed that the suspicious data was related to size of sample , concentration of sample heat treatment , control of sample submitting equipment on sample distance .

洛氏硬度计试验力误差对C标尺示值的影响

Effect of Test Force Error of Rockwell Apparatus on Indicating Value of C Scale

通过详尽描述及分析马口铁表面洛氏硬度的试验过程，就实际检验过程的三个阶段中影响硬度值测试准确性的因素进行归纳和分析，总结出11个影响马口铁表面洛氏硬度值的因素。

11 factors of testing accurancy in affecting the Superficial Rockwell Hardness of tinplate are summarized by describing and analyzing the three phases of experiment made on it .

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。

Model HR-150AL is a high distance Rockwell Hardness Tester . It 's fit for testing rockwell hardness of metal material .