① delivery capacity: conveyor conveying capacity refers to the amount of material transported per unit time. When transporting bulk-like, to the quality or volume of transported material per hour is calculated; when the conveyor into items to calculate the number of pieces per hour delivery. ② Conveyor speed: increase transmission speed can increase transmission capacity. When the conveyor belt for traction to transport large pieces and length, transmission speed increases day by day. But high speed conveyor to note vibration, noise and start braking problems. As for pulling a chain conveyor components, conveyor speed should not be too large, in order to prevent the increase of the power load. Simultaneous operation of conveyor technology, transmission speed production process should be OK. ③ component size: the size of conveyor components including conveyor belt width, slat width, hopper volume, pipe diameter and vessel size. These components have a direct impact on the size of the transmission capacity of the conveyor. ④ feed length and inclination: transfer line length and the inclination angle directly affects the size of the total resistance of the conveyor and the required power.