市场分析:目前,全国电动三轮车数量猛增,尤其以货用电动三轮车为主。电动车电机寿命一般在12个月左右,转子经过长时间运行,换向器表面出现不同程度磨损,产生深浅不一,宽度不匀的金属色带,氧气膜剥离,转子出现跳火、环火、颤抖等现象,严重影响了电机正常使用,大大缩短了电动三轮车的使用寿命,用户只能到维修店以旧换新需要花300-500元,单独买一个新电机也需要400-700元不等。面对全国电动三轮车数量的不断增加,电机翻新项目将是一个非常有潜力的大市场,独特的翻新技术,让你开业就挣钱,独 Market Analysis: At present, the number of electric tricycle has soared nationwide, especially for electric tricycle. Electric vehicle motor life is generally about 12 months, the rotor after a long run, the commutator appears different degrees of wear and tear on the surface, resulting in varying degrees, uneven width of the metal ribbon, oxygen film stripping, the rotor flashover, ring fire , Trembling and other phenomena, seriously affecting the normal use of the motor, greatly reducing the service life of electric tricycles, users can only repair shop to replace the need to spend 300-500 yuan, buy a new motor alone also need 400-700 per month. The face of the increasing number of national electric tricycle, motor renovation project will be a very promising big market, a unique renovation of technology that allows you to work to make money, alone