There are many forms of energy loss in the power transmission process of the Friction roller conveyor line, and these losses will affect the efficiency and performance of the conveyor line.
1. Friction loss between the roller and the conveyor belt
In the Friction roller conveyor line, power is transmitted from the drive device to the roller, and then the friction between the roller and the product on the conveyor belt drives the product to move. However, the friction between the roller and the conveyor belt is not completely ideal. First, there is sliding friction loss. When the tension and load distribution of the conveyor belt are uneven or the surface condition of the roller is not good, there may be a slight relative sliding between the roller and the conveyor belt. This sliding will consume some energy, and the amount of energy loss is related to the sliding distance and friction.
In addition, rolling friction can also cause energy loss. Even in the absence of sliding, when the roller rotates, there is a deformation and elastic recovery process at the contact point with the conveyor belt, which is similar to rolling friction. Factors such as the hardness, elastic modulus and contact pressure of the roller and conveyor belt materials will affect the size of the rolling friction loss. For example, when the softer roller material is subjected to a certain pressure, the deformation will be greater, resulting in increased rolling friction loss.
2. Mechanical transmission loss inside the roller
If the Friction roller conveyor line uses a complex transmission structure, such as gear transmission, chain transmission or belt transmission to connect the drive motor and the roller, energy loss will occur in these transmission components.
Taking gear transmission as an example, there is friction loss between the tooth surfaces during the meshing process. Since the gear surface is not absolutely smooth, the relative sliding between the tooth surfaces will consume energy during power transmission, and at high speeds, energy loss caused by oil stirring and splashing may also occur. For chain transmission, the friction between the chain and the sprocket and the polygonal effect of the chain will cause energy loss. The polygonal effect makes the chain uneven in speed during transmission, generating additional impact force, which leads to energy waste. Belt transmission has elastic sliding and slipping of the belt, especially in the case of overload or insufficient initial tension, slipping will cause a lot of energy loss.
3. Loss of motor and drive system
The motor itself has energy loss during operation, including copper loss, iron loss and mechanical loss. Copper loss is the heat loss caused by the resistance of the motor winding, while iron loss is caused by hysteresis and eddy current in the iron core. Mechanical losses include motor bearing friction, wind resistance, etc. In addition, the inverter in the drive system (if any) will also have a certain amount of energy loss when controlling the speed of the motor, which is related to factors such as the conversion efficiency and operating frequency of the inverter. These motor and drive system losses will also affect the overall power transmission efficiency of the Friction roller conveyor line.
