Precision gears are very important in industrial production and have a wide range of applications in our lives. In the gear installation process, the most important thing is the assembly of the gear and the shaft. So how to ensure the correct meshing of the gear and the shaft? First of all, we must know that precision gears have three different forms of assembly on the shaft: idling, slipping and fixing, and these three assembly modes have their own purposes. The following introduces two points that need to be paid attention to in the assembly process of precision gears and shafts.
1. Before installing the gear, the matching dimensional accuracy of the gear hole and the shaft end face must be checked. If the error is large, it is likely to cause the gear to knock out and the gear will slide directly off the shaft. In light of this situation, the machine may be injured, and in severe cases, serious personal accidents may be caused! We should also pay attention to the roughness as it directly determines the friction between the gear and the shaft. If there is not enough friction, slippage is likely, resulting in an insufficient gear ratio. The shape and position error is also a point to pay attention to, because how do different shapes mesh? Even if the shape is similar, it cannot be installed and matched at will, otherwise it is easy to cause safety accidents.
2. For idling or slip gears, the assembly method of this special precision gear will be more special. Since its assembly accuracy mainly depends on the manufacturing accuracy of the parts, it must be strictly checked during procurement. Such precision gears should not be engaged or blocked on the shaft, otherwise the entire gearbox will not work, or even the entire gearbox will be scrapped. There should also be precise rules for the amount of slippage. Otherwise, it will do a lot of useless work to consume energy, and its work efficiency will be greatly reduced.
