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Fabrication Manual for a Reduced-noise Auger Miner Cutting Head.
MISSING :9 pages
After a long series of laboratory and in-mine tests, a cost- effective, mineworthy, reduced-noise auger miner cutting head was designed, fabricated, and field-tested by Wyle Laboratories under contract to the Bureau of Mines. Compared with standard auger cutting heads, the new heads reduced noise by 10 dba at the jacksetter's position and by 6 dba at the operator's position. This report contains detailed fabrication instructions, including engineering drawings, that show how a standard auger cutting head can be modified to produce a reduced-noise auger.
IH; Information Circular;
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division