Stem injury repair steps (1) the Industrial Valves stem with file strain of burr remove; To strain shallow part, using a new process to the deep 1 mm or so, and then use emery cloth or grinder grinding coarsening, will present a new metal surface at this time. (2) with the TL - 700 metal cleaning agent to clean the surface, make be repaired surface, no oil, clean and no dirt, etc. (3) coating wear-resisting repairing adhesive. (4) detail finishing. The configuration of the wear-resisting repairing adhesive and coating technology (1) according to the volume 3. 8 make repairing adhesive; (2) blowing the adhesive coating on the surface strain, the first time should be less as far as possible, from the top down coating, does not allow bubble exists; (3) for the first time the glue (after 1 h The adhesive after the initial curing) , to reconcile supplements, according to the requirement for the second time coating, requirement is higher than the original size 1 ~ 2 mm; (4) to natural curing after 1 h, 80 ~ 100 ℃ iodine tungsten lamp heating 3 h. Detail finishing process requirement (1) file, scraper, and cloth removal tools will be higher than the original size of the adhesive, the operation is to measure at any time, don't make the rubber cover is lower than the original size, and reserve a 0. 5 mm as finishing; (2) to size to finishing amount when grinding clamping fixture were processed in advance, Mat 80 purpose cloth) ； (3) when the size is higher than the original size zero. 2 mm, replace emery, precision grinding to the actual size. Attention due to the in-situ repair, therefore, in order to ensure the quality of repair on the repair around ( Especially in the upper) Dust, oil and so on must be clean; If there are any defects (after repair Such as a small porosity, etc. ) To repair glue to the above procedure.
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