A Yarn Piecing System And Method For Piecing Auxiliary Yarn At A Spinning Station Of A Ring Spinning Machine Requiring Repairment

Abstract

A yarn piecing system for threading and piecing auxiliary yarn (1), comprising a yarn handling tool (6) attached to a computer-controlled mechanical arm or robotic arm (7), a yarn nozzle (9) on the yarn outlet of the yarn handling tool (6), yarn holding means (16) arranged on the yarn handling tool (6) to be able to form a threading section of auxiliary yarn (1), and processing and control means configured to provide an activation signal to the drive means of the robotic arm (7) for the yarn handling tool (6) to carry out threading and piecing operations, wherein the system further comprises a yarn feeding device (10) arranged and configured for feeding a length (“L0”, “L1”) of auxiliary yarn (1) to a yarn conveying path outside the yarn handling tool (6) during operation of the yarn handling tool (6) by the robotic arm (7). Fig.4.