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Influence of the pulsating current amplitude on the dynamic friction coefficient of electrographite brushes

✍ Scribed by M. Milković; D. Ban

Book ID
107727742
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
633 KB
Volume
34
Category
Article
ISSN
0008-6223

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The pulsating current supply of the commutating machine has R notable effect on the changes in brush-commutator contact area, which is particularly obvious when determining the coefficient of friction of the brushes. These friction coefficients were measured under static and dynamic conditions using

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The coefficient of friction is a very important operational characteristic of brushes, which is indirectly measured according to conventional methods by measurement of the tangential forces acting on the brush. Methods making possible measurements of the static and dynamic coefficient of friction ar