Sizing Machinery
category
Sizing machinery applies adhesive sizing agents from aqueous solution or hot melt onto warp yarn through immersion, squeezing, and drying processes to coat and bind surface fibres, improving weaving performance by increasing yarn tenacity, reducing hairiness and abrasion susceptibility, and enabling high-speed weaving without the excessive warp break rates that would occur with unsized yarn.
Role
Enables high-speed shuttleless weaving of spun yarns by applying the protective and binding size coating that reduces warp break rate by 70 to 90 percent compared to unsized yarn, with sizing process control determining size add-on, penetration, and film formation quality that collectively govern the weaving efficiency and desizing completeness of the sized warp beam.
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Subtopics
- Single-End and Slasher Sizing Machine Design Slasher sizing machines draw multiple warp beams simultaneously through a size box containing hot aq…
- Size Recipe Formulation and Concentration Control Sizing recipe formulation combines film-forming agents including starch, polyvinyl alcohol, carboxym…
- Size Add-On Control and Measurement Size add-on percentage is the mass of dry size applied as a proportion of unsized yarn mass, control…
- Drying System Design in Sizing Machines Sizing machine drying systems use multi-cylinder steam-heated drum arrangements with pre-drying cyli…
- Warp Separation and Lease Reed Systems Lease rods and separation combs positioned after the size box drying section separate individual siz…
- Ecological Sizing Agents and Desizing Processes Ecological sizing uses water-soluble synthetic sizes including partially hydrolysed polyvinyl alcoho…
- Foam Sizing and Minimal Application Systems Foam sizing systems apply concentrated size solution as an air-blown foam rather than aqueous soluti…
- Hot Melt Sizing for Synthetic Filament Yarns Hot melt sizing applies thermoplastic wax or polymer size in molten form at 80 to 120 degrees Celsiu…
- Sizing Quality Monitoring and Process Automation Online sizing quality monitoring systems measure size concentration by viscosity or refractive index…
- Warp Beam Quality Inspection After Sizing Sized warp beam quality inspection checks end count accuracy by counting total ends across the beam …