XCC attend CHINA INTERNATIONAL LIFT EXPO 2019 during April 23to April 26.
ZXZ has long been developing and providing bearings with lower noise, higher bearing capacity and longer maintenance-free series for the elevator industry. Service life of the bearing is same as the elevator driving system, which is mainly used in the key parts of the tractor, guide wheel and escalator driving wheel. ZXZ has the leading bearing pre-grinding technology and high-quality raw material supplier system which provide a reliable guarantee for the research and development and manufacturing for the Elevator Bearing.
Old structure problems
1. Poor stiffness and weak bearing capacity.
2. It cannot meet the requirements of 20-year operation.
3. The precision of integrated steel wheel is difficult to reach requirement, and the cost is too high.
4. High maintenance cost because it will replace whole sheave if one bearing failure.
Advantages of the new structure:
1. Each part shall be unitized, and its quantity shall be arbitrarily configured as required.
2. The bearing capacity of components is improved and the stiffness is increased.
3. Avoid the noise which caused by the consistent speed of each group of belt and skidding when the old structure in the operation process.
4. Reduce the number of spare parts, easy maintenance, can be replaced individually, reduce the cost of maintenance.
5. Convenient inventory management
Deep Groove Ball Bearings are widely used, the raceway and the steel ball have excellent close fit to realize low friction rolling
Sealed deep groove ball bearing is widely used in elevator Which have two designs with dust cover on both sides (2Z) and seal ring
on both sides(2RS. Sealed deep groove Ball Bearings are pre-installed with high quality grease to ensure maintenance free throughout the lift life cycle.
The inner and outer rings of deep groove ball bearings are inseparable and can bear radial load and two-way axial load, so they can make a fixed end. If used as a floating bearing, a ring must be set to a loose fit. The misalignment compensation ability of single row deep groove ball bearing is limited, the misalignment will result in the adverse running state of the rolling body, and the internal stress of the bearing will increase, thus shortening the working life of the bearing.
The allowable inclination angles of single row deep groove ball bearings:
| Series | The angle of inclination | |
| Light load | Heavy load | |
| 62.622.63.623.64 | 5'-10' | 8'-16' |
| 618.619.160/60 | 2'-6' | 5'-10' |
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