Shearing Work Analysis and Control Design of Rotary Shears in Material Processing Lines

Šlapák, Viktor; Ďurovský, František; Kyslan, Karol; Smoleň, Pavol

doi:10.2478/pead-2024-0030

Abstract

Rotary shears are common part of the material processing lines (MPL). During the operation, these shears are loaded with impact cutting torque, which takes only short time but reaches values compared to motor-rated torque. Therefore, it is a technical challenge to ensure the speed stability during the cut. The presented paper deals with the analysis of the rotary shears’ operation and material cutting process from the control point of view and presents a cutting torque compensation possibility. Three types of speed controllers without and with cutting torque compensation are compared.

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Shearing Work Analysis and Control Design of Rotary Shears in Material Processing Lines

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