Mould name: P - 201 packing paper tube（paper tube body，top cap，bottom cap and the extrusion nozzle）.
1：模具名称：P-201包装用纸管（纸管本体，上盖，下盖，挤出嘴）。
2
Analyzing the traditional defects in the design and making of the profiling mould, this paper puts forward the computer aid mould design, a feasible method demonstrated by actual practice.