Fracture Reduction in Steel Cord Manufacturing Process

Abstract

Improve quality and productivity performance of a steel cord manufacturing system. The most importuned material of steel cord for tyre manufacturing process and that steel cord have good mechanical properties of high breaking strength, and low thermal coefficient of expansion as compared to nylon. Process for producing a Steel cord for pneumatic tires comprising a bunch of wires and core, the core of which consists of 3wire filaments arranged and bunched together in parallel. Then 6 wire (filament) on Core twisted and bunched in together. While processing on steel cord we faced wire fracture frequently like torsional fracture, power fracture, one filament fracture, entanglement fracture bad winding issue due to interrupted power and improper clamping of spool (wire Bobbin) and machine vibration. In this project have modified to Spool shaft on wire drawing machine. In this shaft, locking position and changed that shaft design. That shaft was reduced the spool wobbling while running on machine. In bunching machine, the circuit have power circuit-1, power circuit-2, control circuit, and commend circuit. The command and control circuits connected by uninterrupted power and power circuits connected with normal power (EB power). When power the cut-off, command and control circuit switchover to uninterrupted power, and it lead to smooth stop in machine. Thus, the changes have leads to reduce the fracture in cord manufacturing process.