Machine for treating objects, in particular for washing, thermal disinfection and/or sterilization of objects, comprising a treatment chamber (11) provided with an access aperture (12) positioned on a corresponding lying plane (P) a rotatable door (13) configured to rotate with respect to a corresponding hinging axis (A) in order to open and close the access aperture (12) and fluidic sealing means (15) positioned between the access aperture (12) and the rotatable door (13) the rotatable door (13) is associated with the access aperture (12) by a hinging device (19, 19) provided with a movement unit (23, 23, 24, 24) to move the hinging axis (A) of the rotatable door (13) with respect to the lying plane (P), so that the hinging axis (A) can be distanced from the lying plane (P) following an opening rotation (R1) of the rotatable door (13) and can move closer to the lying plane (P) following a closing rotation (R2) of the rotatable door (13).
