Abstract: Abstract: the mechanical properties of rock mining complex, not easy to realize the precise modeling of the drum, the drum design method established by the existing model cannot effectively ensure the actual loading performance of the drum, resulting in lack of shearer drum actual average loading performance of 60%, so the design method of roller working surface based on the field data is of great significance to research. The selection of work field loading performance more than 80% of the 500 sets of roller parameters as the research basis, put forward the pitch s and γ(blade pitch and diameter and cylinder diameter ratio) using two parameter design method, using curve fitting optimum range of blade pitch and legally obtained the calculation formula to establish the design method of double parameters shearer drum. With two kinds of methods are used to design Shandong Bu lian ta coal mine 4500 cylinder of the left and right roller, the contrast test was made in the face of the scene, the drum loading performance measured by dual parameter design method is about 85%, the existing design method of loading performance is about 70%. The results show that the two parameter design method based on the field data can effectively guarantee the actual coal loading performance of the drum.