2017-03-31から1日間の記事一覧

Development Trend of National Brinell Hardness Testing Equipment

Development Trend of National Brinell Hardness Testing Equipment With the rapid development of national manufacturing industry, the on site Brinell hardness testing equipments used in the past have been out of users' producing requirement.…

The Difference And Conversion Of Rockwell Hardness, Brinell Hardness And Other Hardness 

Hardness is a measure of the softness of the material. There are many different hardness test methods whose principle are definitely different, measured hardness values and meaning are not exactly the same. Brinell hardness(HB), Portable R…

Hardness Test Tool For Aluminum Profile -- Webster Hardness Tester  

Aluminum hardness is generally measured by Webster hardness tester. National standard GB5237-2004 provides that 6063 aluminum hardness should be greater than 8HW, 6061 aluminum hardness should be greater than 10HW. China Nonferrous Metals …

Precautions of Rockwell Hardness Tester

In addition to the various precautions used when using a variety of hardness, there are some common issues that should be noted as follows: 1, Rockwell hardness tester itself will produce two kinds of errors: First, the error caused by def…

Introduction To The Use Of Portable Brinell Hardness Tester

Brinell hardness tester is mainly used for hardness determination of cast iron, steel, nonferrous metals, soft alloys and other materials. Today I will introduce the use of portable Brinell hardness test. 1. Before using portable Brinell h…

Features of Brinell Hardness Testing for Metal  

Hardness in industry feild refers to mechanical performance index that various mechanical parts should have. It is the resistance capacity to part deformation. The greater the resistance capacity to deformation it is, the higher the hardne…

Factors that Influence Brinell Hardness Testing

In the actual testing, many factors would effect the accuracy of the test result, including the following aspects: Whether the Test Force of Instrument is Accurate If the test force increases, the test result will be lower. Otherwise the t…

Error and Treatment of Rockwell Hardness Tester Test

The structure of Rockwell hardness tester is simple with easy operation, but test hardness value may be inaccurate with long-term improper operation, which will make the product quality is greatly affected result in adverse consequences. N…

Brinell Hardness Tester for Petroleum Machinery Equipment-2

There are three kinds of test force which are 3000kgf, 750kgf and 500kgf, and two kinds indenters which are 10mm and 5mm carbide alloy ball indenter. As long as clamping specimen, the test can be finished. The Brinell hardness test methods…

Brinell Hardness Test Technology (2)

Brinell Hardness Test Technology (2) Static afterburner portable Brinell hardness tester includes C-type Brinell hardness tester, hydraulic Brinell hardness tester and magnetic Brinell hardness tester. American Standard ASTM E110-2012 and …