Modifying the Shape of Blades of a Flexible Reed in a Vibration Beat-up Mechanism – Theoretical Investigation
Journal Title: Fibres and Textiles in Eastern Europe - Year 2017, Vol 25, Issue 6
Abstract
The beat-up mechanism of a loom with exciters for vibrating motion of the reed is presented . With the placing of exciters at regular distances across the width of the reed, certain differences can be observed in the amplitudes of the vibratory motion of individual blades. Undercutting is proposed here as a method of reducing these differences. The permissible distance between the exciters was determined taking into account the undercut reed. The undulation of the reed in the process of thickening of the wefts is shown to be a consequence of undercutting. For a distance between the exciters of L = 200 mm and relative depth of the undercut h0/h = 0.8, differences in the amplitudes of individual blades do not exceed 10%.
Authors and Affiliations
Maciej Kuchar
Investigation of Some Physical Properties of Knitted Fabrics Produced from Macaroni Yarns
Recently there have been new trends in fancy yarns in order to meet consumer demands for drapery, decorative and outwear fabrics. Macaroni yarns are a promising group of fancy yarn which allows new yarn designs with diff...
Investigation of the Properties of Natural Fibre Woven Fabrics as a Reinforcement Materials for Green Composites
The mechanical properties of flax and jute woven fabrics were investigated and compared with each other. Mechanical properties of the yarns and fabrics were characterised and compared for each scale. The fabric structur...
Underwear for Protective Clothing Used by Foundry Worker
Foundry worker activity involves remaining in a high temperature while working close to a melting furnace. Special clothing made from aluminised fabrics for this action ensures protection against high temperature. Howeve...
Numeryczne metody 3D projektowania odzieży dla niepełnosprawnych
Celem artykułu było podjęcie próby zaproponowania i rozwinięcia nowej numerycznej metody tworzenia odzieży w przestrzeni trójwymiarowej, opracowanej przez nasz zespół, dla niestandardowych, atypowych sylwetek. W pracy za...
Wool Fabric Treated With Eco – Friendly Insect Repellent
In the research work presented, fabric made of wool was grafted with β-cyclodextrine (β-CD) using 1, 2, 3, 4 butanetetracarboxlic acid (BTCA) as a polyfunctional reagent. To reduce the grafting curing temperature, which...