The feed drive system of a precision cold ringrollingmill adopts AC servo motor and mechanical transmission, rather than conventional electro-hydraulic actuator.
采用交流伺服电机和机械驱动进给系统的冷轧环机,其进给伺服控制系统的设计需要一个新的工艺动力学模型。
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The rolling experiment with lead as blank material is made in D51-160A hot ringrollingmill and the qualified pre-rolled ring of conical ring with inner steps is rolled.
An introduction is given to the configuration of the electric control system of a large scale radial-axial ringrollingmill and, meanwhile, its main functions and mutual relations.