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Large Ring Gear
Image
View of a 29 foot in diameter ring gear that is a component of a ball mill drive on a truck. This ring gear was purchased by Koppers and used by Hannah Mining. Original Falk caption reads, "29 foot diameter, 31 inch face single helical split ring gear... see Engineering File for exact specifications." Male employees in photograph are Ken and Roger Knudson.
January 19, 1971
Publication Information
Physical Description
Collection Information
Copyright Information
W012GOV
WHi 50542
Image
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Ring Gear for a Kiln Drive
August 1975
Large ring gear that is a later component of a kiln drive. This product was purchased by Allis Chalmers and used by National Steel Pellet Plant. Original Falk caption reads, "31 foot-8 inch diamete...
Autogenous Mill
June 23, 1978
View of an autogenous mill from above. This unit was purchased by Hardinge Company, a division of Koppers Incorporated and used by the Cleveland Cliff Empire IV. Falk caption reads, "Along with ord...
Hub Gear
August 24, 1971
View of a 13 foot diameter hub gear that is a later component of a basic oxygen furnace drive. This gear was purchased and used by the Bethlehem Steel Corporation. Falk caption reads, "This gear wa...
Single Helical Mills Gears
June 15, 1956
Single helical mills gear that was later purchased by Nordberg and used by Universal Atlas Cement Company of Milwaukee. Original Falk caption reads: "23/293 T, 1 1/2 DP, 25 inch face, 1100 hp, 240/...
Ring Gear Casting
January 16, 1959
Two men guide cement blocks that comprise a casting for a gear that will be used in a cement kiln. The final gear was later purchased by F.L. Smidth and Company of New York, New York, and used by S...
Single Helical Gear
December 13, 1967
Single helical gear purchased by The Fuller Company and later used in Jamaica (as a rotary kiln). Falk caption reads, "Single helical gear, 260 teeth 99667 DP - 16 face." Male employee in photograp...
