Brinell hardness tester is a precision measuring instrument for measuring brinell hardness of metals . Brinell Hardness Tester,Portable Brinell Hardness Tester,Brinell Hardness Test Unit,Portable Hardness Tester Brinell TROJAN (Suzhou) Technology Co., Ltd. , https://www.troolymaterial.com
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Basic additional dynamic load by temperature correction Correcting the bearing by the temperature, the additional dynamic load
We have now said how to select bearings based on the fundamental extra dynamic load; when using rolling bearings at high temperatures; the bearing hardness decreases; the fatigue life is reduced compared to the normal temperature. Therefore, the fundamental additional dynamic load should be estimated to be smaller. Make a change. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
Ct=ft0鸆:
Ct: the fundamental extra dynamic load (N) modified according to the operating temperature; (kgf)
Ft: temperature coefficient; (125 degrees; coefficient is 1,150 degrees; coefficient is 1,175 degrees; coefficient is 0.95,200 degrees; coefficient is 0. 90,250 degrees; coefficient is 0.75)
C: fundamental extra dynamic load (N); (kgf)
Pay attention to; when using bearings at high temperatures above 120 degrees; the scale of large bearings changes greatly; therefore; to achieve dimensional stability and disposal; otherwise; the fundamental additional dynamic load of bearings for over-scale stability; sometimes lower than bearings The fundamental extra dynamic load recorded in the scale table.
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Brinell hardness tester is mainly used for cast iron, steel, non-ferrous metals and the degree of hardness measurement of the soft material such as alloy, brinell hardness test is one of the largest dimple all Hardness Testing method, it can reflect the comprehensive performance of materials, from the sample organization microsegregation and composition is not uniform, so it is a kind of hardness test method with higher accuracy.
Correcting the bearing by the temperature, the additional dynamic load
Source: Bearing network time: 2014-09-11