... sharp edge with different surface hardness. Since this machine features obvious effect on improving the transmission quality and ... gears, harmonic gears, and etc. Y9350 Gear Chamfering Machine Verified Information This information is Verified by Bureau Veritas ... machineries, Hydraulic Elements, lifting towing machines, special gear boxes, intelligent meters, tools and molds, castings 2010/05/21 --- 2013 ...