Metal Lamination Bundle Separation for Precise Automatic Dosing
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Solution Overview
Problem
Existing methods for forming bundles of metal laminations for electrical machines face challenges with precision dosing, particularly when dealing with large-sized laminations, due to issues like incomplete separation, adherence, and potential damage to the device.
Innovation Solution
The method involves a two-step detaching process using a scraping action followed by a separator knife to ensure precise separation of laminations, addressing the issues of incomplete separation and adherence, especially for large-sized laminations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single detaching action is used to separate laminations from the bundle, then the device complexity is reduced, but the manufacturing precision deteriorates due to incomplete separation of large-sized laminations
Solution Approach 1:
The detaching action is divided into two sequential steps: a first detaching action that separates most laminations, and a second detaching action that completes the separation. This segmentation allows each step to be optimized for its specific function, ensuring complete separation without requiring an overly complex single-step mechanism.
Solution Approach 2:
The first detaching action is performed as a preliminary step to separate the majority of laminations from the bundle. This preliminary separation reduces the workload for the second detaching action, which then only needs to handle the remaining adherent laminations, improving overall precision while maintaining reasonable device complexity.
2Productivity
If the operative speed is increased to maintain productivity, then the productivity is improved, but the manufacturing precision deteriorates due to incomplete separation
Solution Approach 1:
The separation process is segmented into two distinct actions performed in sequence. This allows the system to maintain high operative speed by efficiently handling the majority of separations in the first action, while ensuring precision through the targeted second action that addresses remaining adherent laminations.
Solution Approach 2:
The first detaching action performs a partial separation of the laminations, handling the bulk of the work quickly. The second detaching action then applies excessive or complete action to ensure all laminations are fully separated. This combination maintains productivity while guaranteeing dosing precision.
3Ease of operation
If a simple detaching mechanism is used, then the ease of operation is improved, but the reliability deteriorates due to potential device damage from adherent laminations
Solution Approach 1:
The detaching mechanism is segmented into two actions with different functions. The first action handles the general separation with a simpler mechanism, while the second action addresses the specific problem of adherent laminations. This segmentation improves reliability by ensuring complete separation without requiring the entire mechanism to be overly complex.
Solution Approach 2:
The two detaching actions serve as intermediaries between the simple gripping mechanism and the final separation outcome. The first action acts as an intermediary that performs initial separation, and the second action serves as a mediator to complete the separation of adherent laminations, protecting the device from damage while maintaining operational simplicity.
Data Source
AI summary
A method for automatically forming bundles of metal laminations, adapted for armatures of electrical machines or the like, by automatic precision dosing of a lamination bundle produced by picking up and separating a preset number of laminations, includes grabbing, at one end of a lamination stack, a preset number of laminations; separating the number of laminations of the bundle from the lamination stack by axially moving the bundle away from the lamination stack by a preset distance; detaching one or more laminations, if any, at the end of the lamination bundle facing the lamination stack, which may have remained adherent to a last intended lamination by being clamped by a part of their thickness or glued to the lowest lamination of the lamination bundle; and collecting the lamination or laminations, if any, detached from the lamination stack end in a position axially aligned with the laminations of the stack.