Heald Wire Types and Selection
topic
Heald wire selection parameters include eye shape from round to elongated, eye size matched to warp yarn diameter, wire cross-section profile, surface finish, and material from spring steel to chrome-nickel alloy, with eye geometry determining friction and abrasion on the warp yarn during shed cycling and wire material selection governing corrosion resistance and fatigue life in high-humidity or acidic finishing chemical environments.
Role
Prevents heald wire-induced warp yarn damage and breakage that increases warp break rate and causes warp abrasion marks on fabric by selecting heald eye geometry and surface finish optimised for each warp yarn type and weaving machine speed, with heald wire selection being a practical quality and efficiency parameter requiring matching to warp yarn diameter, twist, and surface characteristics.