SPOOL FOR WINDING FINE WIRE AT HIGH TENSION WITH INTERNAL FLEXIBLE SUPPORTS

摘要

A spool (300) for winding fine wire at high tension on is disclosed that is particularly suitable to wind steel wire used for sawing of hard and brittle materials. The spool has different inventive aspects. There are the supports (310) that comprise radial elastic components (312) that support the core (302) of the spool internally such that the outer diameter of the core of the spool decreases in a uniform way over the width of the spool when wire is being spooled on it. To this end the core has been specifically adapted to compensate for the increased radial stiffness at the supports and the optional flanges. Such a spool resolves the problem of internal layer pressure and self damage of a sawing wire during use on a wire saw machine.