helical geared gear reduction boxes 1.Outline dimension:52,78,98,125mm 2.Ratio:3-81 3.customized products helical geared gear reduction boxesFeatures:Reduction ratio1 stage types2 stage types3,4,5,6,7,8,9,1015,20,25,35,45,81Applicable servo motor power(W)50-5000WAssembly modeFlange type,D flange typeOutput shaft directionFree assembly directionAmount of backlashReducertype No.VRStandard typeVR- ...