Brief Introduction:
Hardness is an important index of mechanical properties of metal and alloy. It usually means the ability of one material to resist another kind of hard material which has a regular shape and size that can’t be changed to press into it.
Application scope:
For MF-HBS3000 hardness tester, the standard hard alloy ball is usually 10mm and the pressure is 3000kg. However, due to differences between testing materials, it is necessary to adopt other diameters and pressures. To get reasonable testing results, the ratio of pressure to D² of alloy ball must be a constant.
Technical parameters:
Diameter and pressure comparison table
Ratio of pressure F to alloy ball D² | Diameter of alloy ball D | Scope of hardness(hardness value) | Application scope | |||
10 | 5 | 2.5 | 1 | |||
30 | 3000 | 750 | 187.5 | 30 | 140-650 | steel, gray cast iron, iron, aluminum |
10 | 1000 | 250 | 62.5 | 10 | 48-315 | |
5 | 500 | 125 | 31.25 | 5 | 23.8-158 | Annealing aluminum |
2.5 | 250 | 62.5 | 15.625 | 2.5 | 11.9-79 | Bearing alloy |
Hardness Unit | Level of Testing Pressure (kgf) | Hard Alloy Ball(mm) | |||||||
HB | 187.5 | 250 | 500 | 750 | 1000 | 3000 | 2.5 | 5 | 10 |
Max Height of Testing Material | 230mm | ||||||||
Depth of Throat | 130mm | ||||||||
Measurement Range | 5-650 HBW | ||||||||
Hardness Resolution | 0.1 HBW | ||||||||
Accessory Box (Standard List) | Large, Middle and “V” Shape Testing Table (each 1 pc, total 3pcs)Steel ball pressure head: φ2.5, 5φ, φ10 *3(each*1)Standard Brinell hardness blocks*2 | ||||||||
Power Supply | AC220V/110V±10%,50/60HZ | ||||||||
Consumption | 500W | ||||||||
External Size(W*D*H) mm | 560*268*880 | ||||||||
Package Size(W*D*H) mm | 910*600*1060 | ||||||||
Net Weight | 180kg | ||||||||
Gross Weight | 210kg |
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