Universal Flange Bearing Preloading and Lubrication
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Solution Overview
Problem
Existing bearing arrangements for shafts in devices face challenges in cost-effective manufacturing and efficient lubrication, particularly in accommodating compression springs and ensuring long-term lubrication while minimizing noise and axial space usage.
Innovation Solution
The method involves a flange part with recesses for compression springs and a ring part that deflects lubricant from a radially running channel into an axial direction, allowing for a single type of flange part to be used across variants, with annular springs and a groove between the ring and flange parts, enabling improved lubrication and noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different flange components are used for different bearing variants, then each variant can be optimized, but manufacturing complexity and inventory requirements increase
Solution Approach 1:
The flange component is designed with a universal structure that can accommodate different bearing types (ball bearings, cylindrical roller bearings, spherical roller bearings) through standardized mounting interfaces and adjustable bearing support features, allowing a single flange design to serve multiple bearing variants without requiring different flange components for each variant
2Reliability
If compression springs are mounted in the flange, then bearing preloading is improved, but axial space is consumed
Solution Approach 1:
The compression springs are positioned within the bearing support structure, nesting them within the existing axial space allocated for bearing mounting. The springs are arranged to work within the bearing support features rather than adding external axial length, effectively utilizing the space already required for bearing accommodation
3Reliability
If lubrication channels are extended axially, then lubrication effectiveness is improved, but axial space usage increases
Solution Approach 1:
The lubrication channels are configured to extend radially outward from the bearing mounting area rather than axially along the shaft. This radial orientation allows lubricant to be delivered effectively to the bearing contact points without increasing the axial length of the flange component, utilizing the radial dimension instead
4Adaptability or versatility
If multiple bearing types are supported, then system versatility is improved, but manufacturing precision requirements increase
Solution Approach 1:
The flange component incorporates adjustable bearing support features with variable positioning capabilities, allowing the mounting parameters (such as support location and orientation) to be changed to accommodate different bearing types. This adjustability enables a single flange design to adapt to various bearing configurations without requiring high-precision fixed mounting features for each specific bearing variant
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution allows for simple, cost-effective manufacturing of bearing arrangements with improved lubrication and noise reduction, enabling the use of a single flange part across different variants and accommodating thermal expansion, while ensuring efficient lubrication and reduced axial space usage.
Implementation Method 1
a ring part that deflects lubricant from a radially running channel into an axial direction
Implementation Method 2
recesses for receiving the compression springs... By using ring springs, circumferentially spaced ring springs can be employed... Preloading the bearing is achieved through this process. In the ball bearing variant, noise reduction is further enhanced by preloading the bearing with compression springs
Implementation Method 3
a groove extending in the circumferential direction is formed between the ring part and the flange part, wherein recesses provided in the ring part connect the side facing the flange part with the side facing away from the flange part, in particular so that lubricant entering through the radially extending lubrication channel is deflected axially towards the bearing
Data Source
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AI summary
Method for producing variants of a model range of bearing arrangements, wherein the model range has different variants of bearing arrangements, in particular which are assembled from a kit which has at least one shaft, one bearing and one flange part, wherein each bearing arrangement is assembled at least from a shaft (5), a bearing (3) and a flange part (1), wherein the shaft is mounted against the flange part by means of a bearing, wherein the flange part has recesses, in particular holes, wherein spring elements (2) are arranged in the recesses of the flange part for setting the bearing in a first variant, and the recesses of the flange part for receiving the spring elements are filled only with lubricant for storing lubricant in a second variant.