Timber mill is a new kind of production flour produced before the Road ideal woodworking machinery and equipment. He can be wood, branches fork once processed into raw materials such as wood chips, oil extraction investment, low energy consumption, high productivity, good economic returns, ease of use and maintenance. The sawdust and wood grinder especially suitable for mushroom culture medium wood machining, mainly by shavings device, crushing device and fans. The apparatus of oil processing wood after cutting small size, can be dried without further pulverization feed pulverizing means, pulverized product sawdust machine location from the fan to the aggregates.