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Preparation and coating process of wear-resistant repair agent:
① The repair agent shall be prepared according to the volume ratio of 3.8:1;
② The adhesive shall be applied and scraped on the strained surface. The first coat shall be applied as little as possible, from top to bottom, and no bubble is allowed;
③ After 1h of the first coating (i.e. after the initial curing of the adhesive), the repair agent shall be reconstituted as required and the second coating shall be conducted, which shall be 1 ~ 2mm higher than the original size;
④ After natural curing for 1h, heat with 80 ~ 100 ℃ iodine tungsten lamp for 3h.
Detailed trimming process requirements:
① Use tools such as file, scraper and abrasive cloth to remove the adhesive higher than the original size. Measure it at any time during operation. Do not make the adhesive layer lower than the original size, and reserve 0.5mm as the finishing amount;
② When the size reaches the finishing amount, use the pre processed grinding jig for finishing (put 80 mesh abrasive cloth on it);
③ When the size is 0.2mm higher than the original size, replace the carborundum and grind it to the actual size accuracy.
Zhejiang Valve Technology Co., Ltd. specializes in producing and selling various valve products