AUTOMATION CONTROL EQUIPMENT FOR MATERIAL WINDING INTO A ROLL

Abstract

The purpose of the study is the theoretical justification of the equipment main parameters for winding materials into a roll with automatic control. Various synthetic films are used to provide soft covering. Long materials are wound into a roll for convenience of transportation and storage. Appropriate equipment is needed for the operation to be performed. Main problems arising during material winding into a roll have been considered. The first problem is related to the weight increase of the roll due to its diameter change during the winding process. This augments the load on the horizontal rollers and their supports. The second challenge follows the first one: roll parameters change leads to a change of friction forces between the material wound and rollers, which in turn reduces the quality of the roll winding and affects its geometry and density. The presence of skew material during the roll winding leading to an increase in the length of the roll and its looseness is one of mentioned above disadvantage. This significantly complicates both the winding of the material into the roll, its transportation and film unwinding. The equipment for the winding of the film (material) offered is to be provided with automatic devices to compensate the roll weight able to eliminate this disadvantage. The design description for winding roll equipment is supplied. The original designs for equipment with automatically operated drives have been developed to improve the quality of winding. The roll-ers rotation speed was estimated according to the film thickness on the basis of the power analysis performed. The results of studies allow establishing the critical parameters of the hydraulic system for proving control over the work-ing process.