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Currently, the monotonous silver-white and bronze colors can no longer satisfy architects who want good coordination with exterior wall tiles and wall paints. New colors such as stainless steel, champagne, gold, titanium, and red series (wine red, maroon, black, purple), combined with colored glass, can enhance the decorative effect. These profiles must undergo chemical or mechanical polishing before anodizing to achieve the best results.

The main contents of correcting the processing molds for extruded aluminum profiles include: adjusting the proportion of metal flow distribution (such as adjusting the size of the分流 holes or guiding grooves in the molds， the depth of the electrochemical drainage grooves， etc.)； adjusting the contact friction coefficient， obstruction interception and other methods (such as base obstruction， etc.)； and adjusting the length of the working section of the mold holes in various ways to change the speed at which the metal flows out of the mold holes， so that the metal can flow out uniformly from the mold holes and produce qualified extruded products. Therefore， mold repair personnel must master the relevant inspection techniques proficiently in order to correctly analyze and judge the causes of product defects， and thus carry out effective mold corrections.