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MAIN HOIST ENGINE AT MILPILLAS

Siemag Tecberg, a global leader in shaft hoisting technology, supplied the critical hoist machinery for the main hoist shaft at the Milpillas Mine. The installed hoist equipment was capable of handling significant payloads and operating at impressive speeds, often exceeding 15m/s with capacities up to 60 tons per cycle, depending on the mine’s requirements and depth. The installation of such a sophisticated hoist at Milpillas involved a comprehensive process, from initial design and engineering tailored to the mine’s unique geology and production targets, to manufacturing, on-site assembly, and rigorous commissioning. At the Milpillas Mine the hoist was tower mounted. Given the scale and depth of the main production shaft at Milpillas, a multi-rope friction hoist (Koepe winder) was installed. This hoist-in-head-frame layout, with its deflecting sheaves, optimized space and distributed the load across multiple ropes, thereby enhancing safety. The overall layout was meticulously planned to ensure seamless integration with the mine’s material handling and ventilation systems.

Original photos courtesy of Lopez Hernandez (Author: silvia)