There are mostUser of the couplingI don’t know much about my own mechanical parts, especially to understandGear couplingTechnology of the modular and large machinery factory to help customers master the relevant data, weCoupling manufacturerFirst introduce the GIICL typeGear coupling模数划分：一号的模数2m30个齿，二号的同样模数2m34个齿，三号的41个齿模数也是2m41个齿。。。。。。等吧公司网站都有相关尺寸机械厂欢迎你！