Bent Solder Feed Structure for Precise Wire Delivery
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Solution Overview
Problem
Conventional solder feed structures face challenges in accurately delivering fine diameter solder wire to small electronic components while avoiding clogging with flux material, particularly when the solder wire is of small diameter.
Innovation Solution
A solder feed structure comprising a solder inlet segment, a bent segment, and a solder outlet segment with an elongated exit aperture, where the aperture height is greater than the aperture width, and a bent segment with a gentle curvature to ensure positional stability and reduce clogging, made of heat-resistant materials like stainless steel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional feed structures are used, then the structure is simple, but the solder wire delivery accuracy deteriorates and clogging occurs
Solution Approach 1:
The feed structure is divided into three distinct segments: an inlet segment, a bent segment, and an outlet segment. Each segment serves a specific function in guiding the solder wire from the source to the tip, improving delivery accuracy while maintaining manageable complexity through modular design
Solution Approach 2:
The bent segment introduces a gentle curvature between the inlet and outlet segments, creating a smooth transition path for the solder wire. This curved geometry prevents sharp angles that could cause clogging while maintaining structural simplicity
2Manufacturing precision
If the exit aperture is made smaller to improve precision, then the solder wire positioning improves, but the risk of flux clogging increases
Solution Approach 1:
The exit aperture is designed with non-uniform dimensions, being narrower in the horizontal direction to provide precise solder wire positioning while maintaining adequate vertical clearance to prevent flux material from clogging the aperture. This localized variation in aperture quality resolves the contradiction between precision and reliability
3Stability of the object's composition
If a straight feed structure is used, then the structure is simple, but the solder wire stability deteriorates
Solution Approach 1:
The bent segment with gentle curvature provides a smooth, continuous path for the solder wire, improving positional stability by eliminating sharp transitions and angles. The curved geometry naturally guides the wire along a stable trajectory from the inlet to the outlet segment
Data Source
AI summary
A solder feed structure has a solder exit aperture with an elongated shape. The elongated shape can help reduce the incidence of clogging, as it has a dimension that is significantly larger than the wire diameter of solder. The solder feed structure has a bent segment leading up to the solder exit aperture. The arc of the bent segment can cause the solder wire to be in a stable position at one end of the elongated shape of the solder exit aperture instead of wobbling within the solder exit aperture.