Reed Dent Spacing via Embossed Spacer Studs
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Solution Overview
Problem
Existing reed technologies fail to maintain a consistent distance between warp threads, leading to irregularities in woven textiles due to deformations caused by capillary forces during the adhesive bonding process.
Innovation Solution
The reed features dents with embossed spacer studs in the end sections, which define a minimum distance between adjacent dents, limiting deformations and ensuring a consistent spacing by maintaining a small surface area proportion for the spacer studs, thus preventing excessive capillary effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the end sections of dents are configured with increased thickness to define distance between adjacent dents, then the distance between dents is precisely defined, but the dent becomes more susceptible to deformation by capillary forces during adhesive bonding
Solution Approach 1:
The dent is segmented into distinct functional zones: a working section with uniform thickness for guiding warp threads, and end sections with increased thickness for spacing and bonding. This segmentation allows each zone to optimize its properties independently, preventing deformation in the working section while maintaining precise spacing through the thickened end sections.
Solution Approach 2:
The dent structure implements local quality by varying the thickness only in the end sections while keeping the working section thickness uniform. This localized thickening provides the necessary spacing function and bonding surface area without affecting the dimensional stability of the working section, thereby preventing capillary force-induced deformation where it matters most.
2Manufacturing precision
If spacer structures are added to dent end sections to define minimum distance, then dent spacing regularity is improved, but the surface area increases leading to excessive capillary effects during bonding
Solution Approach 1:
The end sections are thickened to provide sufficient spacing and bonding area, but not excessively so. This partial thickening achieves the necessary function of defining minimum distance between adjacent dents while limiting the surface area to prevent excessive capillary forces. The design applies just enough material addition to achieve the spacing function without over-engineering that would create harmful capillary effects.
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 configuration ensures a regular and consistent distance between warp threads, improving the regularity of dent spacing and preventing irregularities in woven textiles.
Implementation Method 1
limiting deformations and ensuring a consistent spacing by maintaining a small surface area proportion for the spacer studs, thus preventing excessive capillary effects
Data Source
AI summary
A reed and a method for producing a reed. The reed has a multiplicity of dents, which are arranged in a width direction, forming interspaces each having a dent spacing. Each dent has two opposite end sections, at which the dents are respectively connected to a carrier and to the immediately adjacent dent or dents by an adhesive connection. In at least one end section, the dent has a plurality of a spacer studs, which are preferably produced by embossing. The spacer studs form a depression on the one, first side and, on the opposite, second side, form a projection having a stud outer surface. The sum of all the stud outer surfaces of the spacer studs of a single end section of a dent has a proportion of at most 15% of the total end section surface on this second side.