Grinding wheel in use, will be consumed along with the grinding, the result of blunt one wheel, one wheel loses the original shape, so that the Dressing Roller must be trimmed to restore good working condition. The shaping and trimming divided dressing, corresponding to the two wheel changes. Only natural diamond wheel cutter or diamond wheel dresser other tools can not, and because of the hardness of diamond so hard I was dressing Zhang Changan engine plant our factory also often use diamond grinding wheel dressing tool we use is from Chongqing Yangtze River Diamond Tools Factory provides natural diamond wheel cutter, with a few years, the quality is very stable, and never had any problems on the domestic market corrector wheel vertical, horizontal two kinds there is a sine wheel angle corrector.