| 摘要 |
A compensation system for a machine tool (50) provided with a crosspiece (51) supported by uprights (62, 63) and slidably supporting an operating head (60) along a first direction (Y), comprises a further crosspiece (2) having opposite ends (3, 4) fixed to side portions (52, 53) of said crosspiece (51) adjacent to said uprights (62, 63) and connected to a central portion (54) of the crosspiece (51) by actuating means (11, 12). The latter exerts on the central portion (54) a pair of compensation forces (F c ) that are adjustable and such as to generate on the crosspiece (51) compensation torque (M c ) that is able to limit and/or control a rotation and/or a tilting of the operating head (60), in particular following a torsional deformation of the crosspiece (51) caused by the weight of said operating head (60).
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