Modular Rotor Balancing Device with Adjustable Centering
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Solution Overview
Problem
Existing rotor balancing devices are limited in their ability to accommodate a wide variety of rotor shapes and sizes, often requiring mechanical adjustments and having restricted clamping diameters, which affects centering accuracy and torque transmission.
Innovation Solution
A device system comprising rotationally symmetrical parts with adjustable centering elements, spacer elements, and clamping covers that can be combined to achieve precise centering and secure clamping of rotors across a wide range of diameters, allowing for both internal and external centering and high torque transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed arrangement devices are used for clamping specific wheel types, then clamping reliability is improved, but adaptability to different rotor shapes deteriorates
Solution Approach 1:
The device is divided into separate functional modules: a base element with connecting ends, centering elements, spacer elements, and clamping covers. Each module can be independently selected and combined to accommodate different rotor shapes and sizes while maintaining reliable clamping through the standardized connection interface.
Solution Approach 2:
The base element with its central axis and connecting ends serves as a universal platform that can support various centering elements and clamping covers. This universal design allows the same base structure to accommodate different rotor types (internal centering, external centering, different diameters) without requiring device redesign, thus improving both adaptability and clamping reliability.
2Adaptability or versatility
If adjustable centering elements are introduced to accommodate different rotor diameters, then adaptability is improved, but device complexity increases
Solution Approach 1:
The centering function is separated into distinct centering elements that can be attached to the base element, and the clamping function is separated into distinct clamping covers. This segmentation allows for modular adjustment of centering elements to match different rotor diameters while keeping the overall device structure organized and manageable, reducing the perceived complexity despite the increased adaptability.
Solution Approach 2:
The device incorporates adjustable and movable components such as centering elements that can be positioned at different radial distances from the central axis and clamping covers that can be adjusted axially. These dynamic adjustment capabilities enable the device to adapt to a wide range of rotor diameters while maintaining a relatively simple base structure that does not require complete redesign for each application.
3Manufacturing precision
If multiple device parts are combined to achieve precise centering, then centering accuracy is improved, but manufacturing cost increases
Solution Approach 1:
The centering accuracy is achieved through the combination of simple, standardized components: the base element with precision-machined connecting ends, separate centering elements with defined geometric relationships to the base element, and clamping covers with precise positioning features. This segmentation allows each component to be manufactured independently using standard processes, reducing overall manufacturing complexity and cost while achieving high centering accuracy through the precise geometric relationships between parts.
Solution Approach 2:
The universal base element with its precisely defined central axis and connecting ends serves as a precision reference for all attached components. By establishing a single precision-machined base structure that can accommodate various centering elements and clamping covers, the design achieves high centering accuracy without requiring each individual component to be expensive to manufacture. The standardized interface enables mass production of accessories while maintaining precision.
Data Source
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AI summary
The apparatus has a base element (2) with a central axis (A) adapted to cooperate with a rotatable spindle of a connected dynamic balancing machine. A centering element (29) is provided for the internal centering of the rotor. A spacer element (24) is provided for the axial positioning of the centering element, a support plate (27) and a clamping cover (35). The complementary terminal ends are provided with connecting portions for connecting the terminals to each other.