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|Testing Force:||1Kgf (9.8N)、6.25Kgf (61.29N)、7.813Kgf (76.6N)、15.625Kgf (153.2N)、30Kgf (294.2N)、62.5Kgf (612.9N). Total Of Six Gears||Min Measuring Unit:||2μm|
|Magnification Of Microscope:||50X||Duration Time:||0~60S|
|Overall Dimension:||520×190×650mm（L*W*H）||Net Weight:||40kg|
|Max Height Of Specimen:||160mm||Power Supply:||AC220V±5%，50~60Hz|
|Carried Standard:||GB/T231.2, JJG150|
Aluminum Brinell Hardness Tester,
Plastic Brinell Hardness Tester
HBS-62.5 digital display small load Brinell hardness tester is a high-tech product of opto-mechanical integration. The machine has novel shape, good reliability, operability and intuitiveness. It is a new type of display device using precision mechanical technology and optoelectronic technology. Micro Vickers and Knoop hardness tester.
The machine adopts computer software programming and optical measurement system. Through soft key input, you can choose different indenter and force value measurement, can adjust the strength of the measurement light source, can choose the dwell time, can display the indenter diameter, test force, measurement range, and direct reading on the screen on the LCD display. The hardness value is obtained, which simplifies the tedious look-up table. It is easy to use, and the measurement accuracy is higher due to the use of a rotary encoder.
Due to the large pressure used in the Brinell hardness test, the large ball diameter of the indenter and the large indentation diameter, it is suitable for the hardness measurement of metal materials with large grains. Such as cast iron, non-ferrous metals and their alloys, after various annealing and tempering treatments, and most of the steel delivered from the factory, this instrument selects a part with a relatively small Brinell hardness value, so it is especially suitable for softer metals. Such as pure aluminum, copper, lead, tin, zinc, etc. and their alloys, the measured hardness is very accurate, and the Brinell hardness has high measurement accuracy, so it has good reproducibility and representation.
|(Testing Force)||1Kgf (9.8N),6.25Kgf (61.29N),7.813Kgf (76.6N),15.625Kgf (153.2N),30Kgf (294.2N),62.5Kgf (612.9N). Total of six gears|
|(Min Measuring Unit)||2μm|
|(Magnification of Microscope)||50X|
|( Net Weight )||about 40kg|
|(Max Height of Specimen )||160mm|
|Max.Width of the Specimen||135mm|
|(Carried Standard)||GB/T231.2, JJG150|
|Standard Accessories||A set of Measuring Microscope, Diameter: 2.5, 5 and 10mm Hard Alloy Ball Indenters, 2 pcs Standard Hardness Blocks, Large Testing Table, Medium Testing Table, “V”- shaped Testing Table, Power Cable|
4. How do you read a Brinell microscope?
Manual reading is easy and straightforward. You look through the lenses, focus the optics, position in the lens on the impression and read the result in mm. The result in mm is then converted to HBW (Hardness Brinell) by looking up the mm measurement and the table provides the hardness.
5. What is the difference between Brinell and Rockwell hardness test?
The Brinell hardness testing uses a 10mm hardened steel ball, while the Rockwell test uses either a much smaller steel ball (<4mm) or a diamond cone, depending on the material being tested. The Rockwell test measure the depth of the indentation, while the Brinell test measures the width of the indentation.
6. What indenter is used for Brinell test?
In the Brinell hardness test, an optical method, the size of indentation left by the indenter is measured. In contrast to the likewise optical Vickers method,which involves a pyramid-shaped indenter being pressed into a specimen, the Brinell method uses a spherical indenter.
7. How do you find the Brinell hardness number?
The Brinell hardness number (BHN) is calculated by dividing the load applied by the surface area of the indentation. Figs. 6.72–6.74 show some of the Brinell hardness test sites.
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