FIELD: process engineering.
SUBSTANCE: invention relates to preprocessing of polymer surfaces of parts to be coated by varnish. In compliance with proposed method, at least one polymer surface of at least one part is cleaned in preprocessing section. Then, polymer surface is processed by oxidative flame. Polymer surface cleaning and processing by oxidative flame are carried out inside one preprocessing section. Preprocessing device comprises preprocessing section accommodating at least one cleaning device and at least one device for flame processing. Cleaning device serves to clean at least one polymer surface of at least one part in preprocessing section. Flame processing device serves to perform oxidative cleaning of polymer surface in preprocessing section.
EFFECT: lower costs, higher varnishing quality.
15 cl, 2 dwg
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