How to install the robot bearing?

The installation of robot bearing will affect the accuracy, life and performance of the robot bearing. Therefore, it is important to install the robot bearing in accordance with the operating standards. The following are the installation rules for robot bearings.

The installation of the robot bearing should be based on the structure of the robot bearing, the size and the mating nature of the robot bearing components. The pressure should be directly applied to the end face of the ring instead of transmitting through the rolling element. The robot bearing installation generally adopts the following methods: First, clean the robot bearings and related parts. For grease-lubricated robot bearings and double-sided oil seals or dust caps, the seal robot bearings do not need to be cleaned before installation. Check the size and finishing of the relevant parts.

The inner ring of the robot bearing is tightly matched with the shaft. When the outer ring and the bearing hole of the robot are loosely matched, the robot bearing can be press-fitted on the shaft by the press, and then the shaft is loaded into the hole of the robot bearing seat together with the robot bearing. On the end face of the inner ring of the robot bearing during press-fit, a mounting sleeve (copper or mild steel) made of soft metal material is used. The inner diameter of the assembled sleeve should be slightly larger than the diameter of the journal. The outer diameter should be slightly smaller than the inner ring of the robot bearing to avoid pressing on the cage.When the outer ring of the robot bearing is tightly matched with the hole of the robot bearing seat but the inner ring and the shaft are loosely fitted, the robot bearing can be first pressed into the hole of the robot bearing seat. At this time, the outer diameter of the assembling sleeve should be slightly smaller than the diameter of the seat hole. If the robot bearing ring is tightly fitted with the shaft and the seat hole, the inner ring and the outer ring should be pressed into the shaft and the seat hole at the same time. The structure of the assembly sleeve should be able to simultaneously press the end faces of the inner and outer rings of the robot bearing. 

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