The object of the study is a lift for people with special needs. The article is an overview and is devoted to the review of the construction of a lift for people with special needs, namely people who cannot stand up and/or move independently or people who have problems with the musculoskeletal system and vision for changing its functionality. It is assumed that the lift proposed inthis article will be equipped with a transforming chair and a remote control. Such a lift will help both people with special needs themselves and those around them who are forced to help with similar lifts. To do this, at the beginning of thearticle, different types of lifts are considered with all the characteristics, where the shortcomings of a particular device are clearly visible. Also selected lift, which is improving. The lift, chosen as the closest analogue, is intended for treatment with hydrotherapy. Therefore, it is suitable for moving a person from one point to another and letting down a person into the pool. However, this lift also has disadvantages, such as: a need of a person who will operate the lift; absence of a mechanism to help people get upright from sitting, because in this case there is no such need. Further, a device that changes the trajectory of the movement of the very arm of this lift, followed by an explanation of its operation is proposed. And the main goal is to develop a transforming chair, taking into account the height and weight of a person, as well as easy control and paying great attention to the safety of such a lift with a transforming chair, namely its stability and insurance of the person sitting in the chairof such alift when the patient's position changes. A remote control will also be offered with large buttons, voice and simple controlsfor easy self-use by a person with special needs, allowing it to be used by a wider range of patients

When turning many materials, especially such as high-alloyed steels and a some of non-ferrous metal alloys, long continuous chips are usually formed which clutter the working area of the machine tools and are dangerous for the workers. One of the effective and reliable methods of chip breaking during turning is vibration cutting, when the uniform motion of the cutter relative to the workpeace during the turning process is superimposed with an additional vibration motion of the cutter. The use of oscillating movements of the cutter in the direction of longitudinal feed is the most effective for chip breaking during longitudinal turning. To ensure the necessary amplitude-frequency range of cutter oscillations, the use of a toolholder with an elastic part in the form of a machined spring of cross slot configuration and directional stiffness. The toolholder is equipped with a mechanism of oscillating movements of the elastic part, which receives movement from the drive of the tool spindle of the machine tool. The development and research of the mathematical model of the cutting tool elastic system determined the conditions under which reliable chip breaking takes place regardless of the cutting modes and the properties of the processing material. The conducted experimental studies confirmed the effectiveness of the proposed toolholder with elastic elements for reliable chip breaking during longitudinal turning. Key words: chip breaking, vibration cutting, mathematical simulation, toolholder with machined spring of cross slot configuration.