| 摘要 |
The present invention relates to a tribometer ( 1 ) comprising: a first support assembly ( 2 ) configured to receive a central test piece ( 3 ), which test piece is circularly cylindrical, and to drive it in rotation about its axis (X); and a second support assembly ( 4 ) configured to receive a plurality of peripheral test pieces, preferably three of them, and to enable said central test piece ( 3 ) to make contact simultaneously with said three peripheral test pieces ( 9 ) in an isostatic configuration in such a manner that the central test piece, while being driven in rotation, can rub against the peripheral test pieces.
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