Sensor Bearing Impulse Ring Openings for Damage-Free Mounting
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Solution Overview
Problem
The mounting of sensor bearing units inside casings or onto shafts can be difficult without damaging the impulse ring, due to the conventional design which does not allow direct axial access to the bearing's lateral face.
Innovation Solution
The design includes an impulse ring with a radial portion that has through-openings, allowing direct axial access to the bearing's lateral face for mounting, and a snapping portion that secures into a groove on the bearing, facilitating easier installation without damaging the impulse ring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the impulse ring is designed as a complete radial structure, then the structural strength and integrity are improved, but the ease of mounting deteriorates due to inability to access the bearing lateral face
Solution Approach 1:
The impulse ring is segmented by introducing through-openings that divide the radial portion into separate sections. This segmentation allows mounting tools to access the bearing lateral face through the openings while the remaining portions of the impulse ring maintain structural integrity and provide necessary support functions.
Solution Approach 2:
Material is extracted from the impulse ring by creating through-openings, removing portions that would otherwise block access to the bearing lateral face. This extraction enables direct mounting operations without compromising the overall structural strength of the impulse ring.
2Stability of the object's composition
If the impulse ring is made solid without openings, then the structural stability is improved, but the mounting complexity increases due to difficulty in accessing the bearing for installation
Solution Approach 1:
The impulse ring structure is segmented through the introduction of through-openings, creating a design that balances structural stability with mounting accessibility. The segmented structure maintains sufficient rigidity while enabling tool access to the bearing lateral face.
Solution Approach 2:
The through-openings act as intermediaries that facilitate the transmission of mounting forces from external tools to the bearing lateral face. These openings enable indirect access to the bearing without compromising the overall structural stability of the impulse ring assembly.
3Reliability
If conventional mounting methods are used without through-openings, then the impulse ring structure remains intact, but the mounting difficulty increases and risk of damage rises
Solution Approach 1:
The through-openings are pre-formed in the impulse ring during manufacturing, preparing the structure in advance for mounting operations. This preliminary action eliminates the need for damaging forceful installation methods and allows for controlled, damage-free mounting of the sensor bearing unit.
Solution Approach 2:
The through-openings serve as intermediary pathways that enable safe and controlled application of mounting forces to the bearing lateral face. This intermediary structure prevents direct contact between mounting tools and the impulse ring, eliminating the risk of accidental damage to the impulse ring during installation.
Data Source
AI summary
A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, and an impulse ring secured to the first ring of the bearing. The impulse ring includes a radial portion mounted in axial contact against a lateral face of the first ring of the bearing and at least one opening extending through the thickness of the radial portion such that a part of the lateral face of the first ring of the bearing is exposed through the at least one opening.