Linear Roller Bearing Angular Positioning Markings
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Solution Overview
Problem
Existing linear roller bearings face challenges in correct angular positioning during installation, particularly with regards to main load direction and torsion-proof fastening and relubrication, which complicates the installation process.
Innovation Solution
The design includes a hollow-cylindrical basic element with snap-fit connections for deflection and cover elements, a lubricant reservoir with sector-like extensions for precise assembly, and markings for correct angular positioning, along with a seal system to ensure proper alignment and sealing, facilitating easier installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional linear roller bearings are used without specific positioning features, then the structure remains simple, but correct angular positioning during installation becomes difficult and error-prone
Solution Approach 1:
The patent uses color-coded markings (yellow and red sectors) on the bearing outer ring to indicate the correct angular positioning for load direction and torsion-proof fastening. This visual indication system eliminates the need for complex mechanical positioning features while ensuring accurate installation orientation.
Solution Approach 2:
The bearing is pre-marked during manufacturing with angular position indicators that show the correct installation orientation. This preliminary action of marking the correct positions before installation eliminates the need for complex positioning mechanisms and ensures accurate angular positioning from the start.
2Duration of action of moving object
If conventional sealing and lubrication systems are used, then the structure remains simple, but lubricant service life is limited and requires frequent maintenance
Solution Approach 1:
The patent implements a multi-layer sealing system where a contact seal and a non-contact seal are nested within each other. The contact seal provides primary sealing while the non-contact seal provides secondary sealing, creating a nested arrangement that extends lubricant service life without requiring complex external lubrication systems.
Solution Approach 2:
The bearing incorporates an integrated sealing and lubrication system that operates autonomously without external intervention. The seals prevent lubricant leakage and contamination automatically, and the system is designed to maintain lubrication throughout the bearing's service life without requiring frequent maintenance or external lubrication supplies.
3Reliability
If conventional fastening methods are used, then installation is quicker, but torsion-proof fastening cannot be ensured
Solution Approach 1:
The patent uses a red sector marking on the bearing outer ring to indicate the precise angular position for torsion-proof fastening. This visual indicator ensures that fastening holes are aligned correctly to withstand torsional loads, maintaining reliability while simplifying the installation process by eliminating the need for complex alignment procedures.
Data Source
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AI summary
The linear roller bearing has a base element (10), which is formed as a hollow cylinder. The linear roller bearing is formed for a pre-determined main load direction, perpendicular to a hollow cylinder cover at a peripheral position. The base element is formed at another peripheral position for an axial or anti-torsion fastening or a lubrication at its installation area.