| 摘要 |
A rotary mill, particularly designed for the milling of flour, includes a screen assembly within which the hammer assembly rotates. It consists of a fine inner cylindrical screen surrounded by a coarse support screen. The cylindrical end edges of the screens are supported in end channels. The intake end of the cylindrical screen is provided with an annular wear plate around the inside thereof and extending two or three inches inwardly to protect the fine screen against heavy wear as the whole grain is entering and beginning to be broken up by the hammer assembly. A lip projects inwardly from the free edge of the wear strip to restrain movement of large particles onto the screen.
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