Precision Reed Clamping Section Flatness for Uniform Force
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Solution Overview
Problem
Reeds made of natural materials, such as wood or Arundo donax, often have unevenness in the clamping section that prevents a fully flat contact with the reed holder, leading to uneven compressive force distribution and negatively impacting sound quality and playability, especially in damp environments where uneven swelling occurs.
Innovation Solution
The reed back is machined to create a symmetrical cross-section perpendicular to the support wall, ensuring a fully flat contact with the reed holder and uniform compressive force distribution, while maintaining the convex curvature for stability, and optionally removing the reed bark for uniform swelling properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the reed back is left unmachined to preserve natural material properties, then the reed maintains its natural swelling characteristics, but the unevenness prevents fully flat contact with the reed holder leading to uneven compressive force distribution
Solution Approach 1:
The reed back is selectively machined only in the clamping section where contact with the reed holder occurs, while leaving the vibrating section and other areas unmachined. This localized machining approach ensures flat contact surfaces for reliable clamping while preserving the natural material properties and swelling characteristics in the remaining areas.
Solution Approach 2:
The reed back is pre-machined to create a flat contact surface before final assembly with the reed holder. This preliminary machining action ensures that when the reed is assembled, the flat surface enables fully flat contact and uniform compressive force distribution from the outset, eliminating the need for adjustment or rework.
2Manufacturing precision
If the reed back is fully machined to achieve flat contact surfaces, then uniform compressive force distribution is achieved, but the natural material properties and swelling characteristics are compromised
Solution Approach 1:
Machining is applied locally only to the reed back surface that contacts the reed holder, while the rest of the reed including the vibrating section remains unmachined and retains its natural material properties. This selective approach ensures contact surface flatness for uniform force distribution while preserving environmental adaptability in the non-machined areas.
Solution Approach 2:
The reed is divided into functional zones: the clamping section with machined reed back for precise holder contact, and the vibrating section with unmachined natural material for optimal acoustic performance and environmental response. Each segment is treated differently according to its specific functional requirements.
3Manufacturing precision
If the reed back is machined to create symmetrical cross-section, then consistent dimensional requirements are achieved, but additional machining steps and complexity are introduced
Solution Approach 1:
Symmetrical cross-section machining is applied only to the reed back in the clamping section, creating consistent dimensional requirements where needed without adding complexity to the overall manufacturing process. The machining is localized to a specific area rather than the entire reed structure.
Solution Approach 2:
Instead of machining the entire reed back extensively, only the necessary portion is machined to the required degree of precision. This partial action approach achieves dimensional consistency for clamping while avoiding excessive machining that would increase process complexity and material removal.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach results in a 'precision reed' with consistent dimensional requirements, improved sound quality, and enhanced durability, reducing the need for frequent reed replacement and maintaining performance in varying environmental conditions.
Implementation Method 1
The reed back is machined to create a symmetrical cross-section perpendicular to the support wall
Implementation Method 2
maintaining the convex curvature for stability
Implementation Method 3
optionally removing the reed bark for uniform swelling properties
Implementation Method 4
a vibrating section which is formed to generate sound by means of an air flow
Data Source
AI summary
The invention relates to a precision reed (100) for single-reed instruments such as the clarinet or saxophone, made of wood or an Arundo donax section, having a vibrating section (120) formed for sound generating by means of an air flow in the single-reed instrument, having a clamping section (110) formed for clamping the reed (100) to the mouthpiece (200) with a reed holder, the clamping section (110) having a support wall (104) for supporting the reed (100) on the mouthpiece (200) and a reed back (111) facing away from of the mouthpiece (200). In this case, the reed back (111) is formed for a fully flat contact with the reed holder.