The work is devoted to the presentation of the results of the analysis of modern methods of finishing processing of cycloidal screw surfaces of single-screw machines of volumetric type. A comparison of the operating conditions of parts with cycloidal helical surfaces is carried out, and the main technical requirements for finishing are identified.
The paper presents the results of the analysis of modern methods of finishing and hardening processing by surface plastic deformation. Revealed technical requirements for roughness and microhardness, provided by the considered methods. An assessment of the applicability of the methods to the processing of cycloidal helical surfaces is carried out.
Annotation. In this paper, we consider the problems that arise when using screw volumetric machines when working with chemically aggressive media. To solve this problem, it was proposed to use a chemically resistant material of fluoroplast for the manufacture of screw machine clips. To implement the process of creating clips, the kinematics of methodagerotor drilling of cycloidal screw holes was proposed, and a method for calculating processing modes was developed.
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