Steel rope core conveyor belt is one of the main infrastructure in the mineral transportation process in mining engineering.The quality of the steel rope core conveyor belt contact vulcanization directly influences the operation and service life of the belt.The paper in detail introduces the operation status of steel rope core conveyor belt in the crushing system of the second phase project in Pacific Mining Co.,Ltd.,analyzes the steel rope core conveyor belt contact vulcanization technology and the problems faced,carries out technical modifications on the contact vulcanization technology,optimizes the preparation method of the contact by adding carbon black in the vulcanized rubber materials and improving the heat generation and damping capacity of the belt.The field application effect is good,shortening the vulcanization time,prolonging the service life,mitigating risks and reaching the goal to be cost-effective.