Machining installation comprising: - a machine tool with digital control, - a unit for supplying raw material to be machined, arranged upstream of said machine tool with digital control, - a robotic device for transferring machined components at the exit from said machine tool, arranged downstream of said machine tool, - at least one unit for checking the machined components at the exit from said machine tool, the buffer storage space and the unit for checking the machined components being arranged within the radius of action of said robotic transfer device, - at least one buffer storage space dimensioned such as to contain at least as many components as said machine tool is able to machine at the time of a checking of a machined component by said checking unit, and - a control unit connected to said unit for checking the machined components, to said machine tool and to the robotic transfer device, said control unit being configured in order ∘ to control the transfer of a machined component by the robotic transfer device from said buffer storage space towards said unit for checking the machined components, ∘ to control the transfer of the machined components during a checking of said machined component in the checking unit by the robotic transfer device towards said buffer storage space, ∘ to modify at least one machining parameter of said machine tool as a function of a defect in a machined component flagged by said unit for checking the machined components, ∘ to evacuate the checked machined component and also all the components machined during the checking step and stored in the buffer storage space towards a final storage space if the checking of the machined component by the checking unit demonstrates compliance of said component or towards a storage space for rejects if the checking of the machined component by the checking unit demonstrates non-compliance of said component. - a machine tool with digital control, - a unit for supplying raw material to be machined, arranged upstream of said machine tool with digital control, - a robotic device for transferring machined components at the exit from said machine tool, arranged downstream of said machine tool, - at least one unit for checking the machined components at the exit from said machine tool, the buffer storage space and the unit for checking the machined components being arranged within the radius of action of said robotic transfer device, - at least one buffer storage space dimensioned such as to contain at least as many components as said machine tool is able to machine at the time of a checking of a machined component by said checking unit, and - a control unit connected to said unit for checking the machined components, to said machine tool and to the robotic transfer device, said control unit being configured in order ∘ to control the transfer of a machined component by the robotic transfer device from said buffer storage space towards said unit for checking the machined components, ∘ to control the transfer of the machined components during a checking of said machined component in the checking unit by the robotic transfer device towards said buffer storage space, ∘ to modify at least one machining parameter of said machine tool as a function of a defect in a machined component flagged by said unit for checking the machined components, ∘ to evacuate the checked machined component and also all the components machined during the checking step and stored in the buffer storage space towards a final storage space if the checking of the machined component by the checking unit demonstrates compliance of said component or towards a storage space for rejects if the checking of the machined component by the checking unit demonstrates non-compliance of said component. ∘ to control the transfer of a machined component by the robotic transfer device from said buffer storage space towards said unit for checking the machined components, ∘ to control the transfer of the machined components during a checking of said machined component in the checking unit by the robotic transfer device towards said buffer storage space, ∘ to modify at least one machining parameter of said machine tool as a function of a defect in a machined component flagged by said unit for checking the machined components, ∘ to evacuate the checked machined component and also all the components machined during the checking step and stored in the buffer storage space towards a final storage space if the checking of the machined component by the checking unit demonstrates compliance of said component or towards a storage space for rejects if the checking of the machined component by the checking unit demonstrates non-compliance of said component.