The main points of the roller accessories must be grasped during the installation process, and the roller accessories can exert their value only after installation. The roller bearing SKF bearing also shrinks in the width direction when it is cooled, so the pressure applied during the installation process presses the inner ring on the shoulder. After cooling, use a feeler gauge to measure whether there is a gap between the end face of the inner ring and the shaft shoulder. Gap. It has been found that the required heating temperature is reached and the operation of the device must be carried out as quickly as possible to avoid cooling and causing difficulties in the device. The heating temperature should be properly controlled. If the temperature is too high, SKF bearings will be damaged; if the temperature is too low, the expansion of the ring will be insufficient, and the effect will be insignificant. When the temperature is low, the thermal expansion of the inner ring inner diameter obtained from the heating temperature of 80-1000°C is sufficient to cope with the SKF bearing with general interference.
The external environment has a great influence on the roller accessories, so you can choose the appropriate roller accessories according to the actual situation. Choose suitable roller accessories according to the manufactured roller. For example, which accessories are suitable for nylon rollers? Which accessories should be selected for rubber rollers, etc.; when selecting accessories, the manufacturing process is a big aspect.
The roller accessories have reasonable structure and reliable sealing. The roller accessories are equipped with two seals, which have relatively high manufacturing accuracy. The empty space is coated with grease, which can effectively prevent corrosive media such as dust, gas and liquid from entering the roller and damaging the roller bearing. The sealing function of the roller attachment promotes its different development and application, its application function and value.
The roller accessories are damaged and have a long service life. The polymer material of the roller body of the idler roller has a mechanical function similar to that of bronze. With self-lubricating function, it will not damage the belt. The machining accuracy of the roller attachment refers to the concentricity of the inner holes of the two ends of the shell and the two ends of the roller, and the standard machining accuracy of each component in the axial direction. If the concentricity is too poor, it will cause the rolling bearing to jam, increase the resistance, and reduce the service life. The manufacturing skills of the roller accessories will affect the dynamic load of the roller. The root cause of the movement is that the wall thickness of the roller shell is not equal, and the radial runout of the shell is uneven. The role and value of the roller accessories can be reflected in the use of the roller, which can complement the roller.