Machine tool made of low thermal expansion material

摘要

In a multi-axis machine tool comprising a slide way (2) aligned on a longitudinal axis (X), a travelling column (3) coupled via one end (3a) with the slide way (2), an arm (4) mounted slidably to the column (3) and traversable at least in a first direction (Z) normal to the longitudinal axis (X) of the slide way (2), and a machining head (5) carried by the arm (4), the material used for the arm (4) is one typified by low thermal expansion.