Preparation for PHB-3000 Hydraulic Brinell Hardness Tester Before Operation
1. Preparation of workpieceFirstly, the position of the workpiece to be measured shall be selected. The measurement position shall be selected so that after the instrument clamps the workpiece, the su...
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Characters of PHB-3000 Hydraulic Brinell Hardness Tester
PHB-3000 hydraulic Brinell hardness tester produced by Shenyang TX is a portable Brinell hardness tester with a weight of only 13.8kg, which can be conveniently used for Brinell hardness testing of st...
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Introduction of TX Magnetic Rockwell Hardness Tester
PHR-200 magnetic Rockwell hardness tester is one of the second generation magnetic series hardness testers produced by Shenyang TX company. This instrument is an upgraded product of model PHR-100 mech...
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Scale Selection of Digital Magnetic Rockwell Hardness Tester
Rockwell hardness testing can adopt 3 test forces and 3 indenters, so there are 9 combinations, corresponding to 9 scales of Rockwell hardness testing methods. The digital display magnetic Rockwell ha...
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Selection of Indenter for Rockwell and Superficial Rockwell Hardness Tester
In order to test various metal materials with different materials, hardness and thickness, three indenters and three test forces are used in Rockwell hardness test, and the resulting nine combinations...
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Notice and Daily Maintenance of ED400 Coating Thickness Gauge
1. NOTICE1.1 Before using ED400 coating thickness gauge, it should be checked for accuracy. Normally it can be checked by measuring on the uncoated substrate. For further assurance, measure with the c...
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Factors Affecting the Test Accuracy of Portable Brinell Hardness Tester (1)
1. Sample surfaceThe surface of the sample shall be smooth and flat without oxide skin, decarburization layer and dirt. The roughness of the sample surface will result in lower test value and higher d...
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Factors Affecting the Test Accuracy of Portable Brinell Hardness Tester (2)
4. Sample placementWhen selecting anvils and placing samples, it shall be noted that the test surface is perpendicular to the axis of the indenter, and attention shall be paid to prevent sample displa...
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Maintenance and Keeping of Webster Hardness Tester
With the development of Chinese aluminum industry in the eighties and nineties of the last century, Webster hardness tester is a portable hardness tester that can be used for hardness testing of alumi...
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Several Factors Affecting the Measurement Accuracy of Webster Hardness Tester
Webster hardness tester is small and portable, and it is also convenient and fast to use. It is deeply loved by quality inspection personnel of aluminum profile factories at home and abroad. Although ...
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Factors Affecting Testing Accuracy
1. Specimen SurfaceThe surface of the specimen should be smooth and clean for the best accuracy. The rough surface makes the indentation edge blurry and affects the measurement of the indentation diam...
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