| 摘要 |
The invention concerns a mechanical assembly (10) comprising first (12) and second (14) elements mutually assembled via respective first (16) and second (18) planar contact surfaces, comprising fixing means including at least a fixing member extending perpendicularly from the first contact surface (16), and a perforation of the second element (14) which emerges into the second contact surface (18) and which is designed to receive the fixing member. The invention is characterised in that it comprises at least three cylindrical holes (22a, 22b, 22c, 22d) for positioning the second element (14), internally tangent to as many cylindrical members (20a, 20b, 20c, 20d) for positioning the first element (12), and whereof the axes (Xa, Xb, Xc, Xd) are offset relative to the axes (Ya, Yb, Yc, Yd) of the positioning cylindrical members (20a, 20b, 20c, 20d) along respective offsetting directions (Za, Zb, Zc, Zd) which intersect in a point (N) of a zone of the second element (14) wherein the stresses are null when the assembly (10) is stressed. |
