Washing machine and method of washing drum

摘要

Disclosed are a washing machine and a method of controlling the same. The washing machine includes a drum; a washing device to spray water to perform washing of an outer surface of the drum; and a control unit controlling the washing of the outer surface of the drum such that the washing of the outer surface of the drum is performed during a washing or rinsing cycle. The washing machine does not need to be disassembled to wash the drum and tub and thus is easily washed and has the ribs extended in a same direction of an extension direction of the flange shaft to increase the strength of the flange shaft and thus forms channels of water flowing on the flange shaft and reduces the remaining of contaminants on the flange shaft in the washing or rinsing cycle to enhance the washability of the flange shaft.