| 摘要 |
Wedge locking washer 1a, 1b comprising a central axis, a central through hole concentric with central axis and defining an inner peripheral axial surface, an outer peripheral axial surface, a first side surface adapted to face and engage another wedge locking washer, said first side comprising a pattern of radially extending cams 7, each cam comprising a first surface inclined in relation to a central plane of the washer and a second surface and wherein the first and the second surface of each cam meet in a radially extending cam edge 7a and wherein the second surface of a first cam meet the first surface of an adjacent cam in a radially extending inner corner 7b, each cam having a height h defined between a bottom plane in which the bottom of the inner corner is arranged and a top plane in which the top of the cam edge is arranged, a zone of smooth transition of the inner corner has a horizontal length a, the inner corner has a height H of at least h/4 and at most h/2 defined as the height H in vertical direction from the inner corner bottom to the end of the smooth transition zone, the cam edge having a smooth transition zone, which has a height H' that is equal to or larger than height H of the inner corner of the smooth transition zone, and wherein at least the first surface is surface hardened and electro-polished and/or pickled. |
