Printing roller (roller) fix brush plating

Common printing roller (roller), mostly cast iron, cast steel, aluminum or chrome roller (roller). With the bottoming process rich Senleng welder is very simple, as long as the slightest experience of TIG welding to repair, but the surface of brush plating is the most difficult hurdle. Among them, aluminum drum (roller) and chrome roller (roller) the most difficult to brush, followed by cast iron, cast steel most likely to brush. For different material roller (roller) should use a different brush plating solution and plating pre-treatment process.