Current issues on highpower cycloconverter fed gearless use of big mill grinding circuits, where large power gearless motor drives with cycloconverters in the range around 20 mw are being applied for semiautogenous sag mills and recently, ball mills are also being considered.
Henan Mining Heavy Machinery Co., Ltd.
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Current issues on highpower cycloconverter fed gearless use of big mill grinding circuits, where large power gearless motor drives with cycloconverters in the range around 20 mw are being applied for semiautogenous sag mills and recently, ball mills are also being considered.Get Price
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Utah, sag mill and a 11,200 kw gearless drive for the el teniente, chile, sag milln a continued call for larger, even more powerful drives, siemens kept pacen 1996, freeport ordered the first gearless drive for a 38-foot sag mill located at the companys grasberg plant in indonesiahis gearless drive contact supplier.Get Price
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Choosing a sag mill to achieve design performance sag mill itself and not on the test work programtated another way, money invested in a large sag mill is an investment that can produce handsome returns if extra production is needed or simply to give the mine the option to mill the hardest ores at design throughput rates.Get Price
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Gearless sag mill maintenance schedules bb wins order for gearless mill drive systems for copper, the sag mill will be equipped with the new abb 18-pulse cycloconverter the additional two gmd systems will be installed on 28 feet ball mills rated with a power of 22 mw the scope of supply also includes spare parts, commissioning support and training.Get Price
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