Backup DC motor for two rolling mill applications

Menzel Elektromotoren has built a replica of an old DC motor for a large German steel strip manufacturer

The new motor was designed as a reserve back-up unit for two site applications, one of them a roller motor and the other a coiling drive. The project was initiated to save both money and storage space space for the user, whilst protecting the rolling mill against downtime in the event of either existing motor suffering damage. To determine the essential data, Menzel engineers, working closely with their customer, effectively reverse engineered the existing motor and improved it at the same time to include additional features not present on the original: for example with feet that matched both installations so that the motor could be used in either them. Menzel engineers also added a special encoder with an insulated coupling. 

The positions of the terminal box and the air inlet opening were adapted to the existing connections on site. The DC motor provides 450 kW rated power and 530v rated voltage. Menzel says that building replicas of old motors has become something of a specialty from producing electrically and mechanically suitable replacements to manufacturing exact copies. 

Standby motor was effectively reverse engineered and then improved to suit two potential applications
Standby motor was effectively reverse engineered and then improved to suit two potential applications

Menzel Elektromotoren GmbH

Neues Ufer 19-25

+49 (0) 303 499220

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