Flux Pot Chevron Bottom and Hexagonal Hole Design
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Solution Overview
Problem
Flux reservoir apparatuses experience leakage issues due to the design of the flux pot, which can cause flux to overflow and leak out, especially when the flux pot moves back and forth over the stage surface.
Innovation Solution
The flux reservoir apparatus features a flux pot with an elongated hexagonal through hole and a chevron-shaped bottom surface, supported by a back-and-forth drive mechanism, allowing the pot to move in a way that minimizes leakage by creating clearance gaps and effectively guiding excess flux back into the through hole during both forward and backward movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flux pot with a simple through hole is used to feed flux into the recessed portion, then the flux feeding function is simple and easy to manufacture, but flux leakage occurs when the flux pot moves back and forth
Solution Approach 1:
The through hole is segmented into multiple sections: a first through hole section, a second through hole section, and a third through hole section with different cross-sectional areas. This segmentation allows the flux pot to control flux flow at different stages of the back-and-forth movement, preventing overflow while maintaining manufacturing simplicity
Solution Approach 2:
The flux pot is designed to move back and forth dynamically, with the through hole cross-sectional area varying along the movement direction. During forward movement, the larger cross-sectional area allows flux to flow into the recessed portion, while during backward movement, the smaller cross-sectional area prevents flux from leaking out
2Quantity of substance
If the through hole has a large cross-sectional area to ensure sufficient flux flow, then flux feeding is adequate, but flux overflows and leaks during back-and-forth movement
Solution Approach 1:
The through hole is divided into sections with different cross-sectional areas positioned at different locations along the back-and-forth movement path. The larger cross-sectional area is positioned to allow sufficient flux flow during the forward stroke, while the smaller cross-sectional area prevents overflow during the backward stroke
Solution Approach 2:
The flux pot performs periodic back-and-forth movement, with the flux flow quantity being modulated by the periodic variation in through hole cross-sectional area. This periodic action ensures adequate flux supply during the feeding phase while preventing overflow during the retraction phase
3Manufacturing precision
If the flux pot moves back and forth to smooth the flux surface, then flux distribution is improved, but flux is raised from the stage surface and leaks out
Solution Approach 1:
The flux pot dynamically adjusts the through hole cross-sectional area during back-and-forth movement. The varying cross-sectional area allows the flux surface to be smoothed during the forward movement while preventing flux from being raised and leaking during the backward movement
Solution Approach 2:
Different sections of the through hole have different cross-sectional areas optimized for different functions: the larger cross-sectional area section facilitates flux flow and surface smoothing, while the smaller cross-sectional area section prevents flux leakage at the critical overflow location
Data Source
AI summary
A flux reservoir apparatus (100, 200) includes a stage (12) having a recessed portion (13) for reserving flux (51, 52, 53) therein and a flux pot (20) composed of an annular member having a through hole (30) through which the flux (51, 52, 53) flows, the flux pot arranged to move back and forth on the surface (14) of the stage (12) to feed the flux (51, 52, 53) into the recessed portion (13) and to smooth the surface of the flux (51, 52, 53), in which the through hole (30) is an elongated hexagonal hole with a length greater than the width of the recessed portion (13) in the direction perpendicular to the back-and-forth direction, and in which the bottom surface of a flux pot main body (21) is a chevron surface. This reduces leakage of the flux (51, 52, 53) in the flux reservoir apparatus (100, 200).