Blanked Piece Guide Member for Laminated Iron Core Alignment
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Solution Overview
Problem
The existing methods for forming laminated iron cores face challenges in design flexibility and accuracy due to limitations in the positioning and connection of production jig pieces, leading to issues with the alignment and integration of iron core pieces during the blanking or stamping process, which restricts the degree of freedom in design and results in inclined or improperly connected laminated iron cores.
Innovation Solution
A method involving the formation of a blanked piece with a through hole and caulking and connection areas, where a guide member is used to accurately connect the caulking and connection areas to the product area, allowing for precise temporary fixation and subsequent detachment in a direction intersecting the lamination direction, thereby improving design freedom and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a production jig piece is used to temporarily connect iron core pieces, then the iron core pieces can be held in position during lamination, but the positioning accuracy deteriorates due to inclination and improper connection
Solution Approach 1:
A guide member is introduced as an intermediary component between the production jig piece and the iron core pieces. The guide member includes a guide hole that receives the production jig piece and provides precise positioning surfaces that guide the iron core pieces into correct alignment, preventing inclination and improving connection accuracy
Solution Approach 2:
The connection method is changed from direct mechanical attachment of the production jig piece to iron core pieces, to a guided mechanical system where the guide member controls the positioning and insertion process, ensuring accurate alignment and reducing positioning errors
2Adaptability or versatility
If the blanking hole outline combines the through hole and caulking areas, then the degree of freedom in design is improved, but the manufacturing complexity increases due to multiple blanking processes
Solution Approach 1:
The blanking process is segmented into two distinct stages: first blanking the caulking and connection areas from the electromagnetic steel plate, then blanking the outer configuration of the product area. This segmentation allows each process to be optimized independently and simplifies the overall manufacturing complexity
Solution Approach 2:
The caulking and connection areas are blanked in advance before the outer configuration is formed. This preliminary action allows the production jig piece to be temporarily connected and positioned correctly before finalizing the product shape, enabling greater design freedom without compromising manufacturing simplicity
Data Source
AI summary
A method for forming a blanked piece from a material, where the blanked piece includes a production area having a through hole and at least one caulking and connection area protruding inside the through hole. The method includes forming a blanking hole in the material in a prescribed outline, placing a guide member in the through hole, where the guide member has an abutting part contacting a protrusion of the material formed along the outline of the blanking hole. The method further includes cutting and separating the material to blank or stamp out downward the caulking and connection area, pushing back the caulking and connection area, and temporarily connecting the caulking and connection area to the material; and blanking or stamping an outer configuration of the product area from the material to which the caulking and connection area is temporarily connected.