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Title: |
1895 Article-John L. Bogart, Duplex Milling Machine |
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Source: |
Machinery Magazine Sep 1895 pg 29 |
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Insert Date: |
3/21/2011 7:50:23 PM |
DUPLEX DOUBLE-COLUMN MILLING-MACHINE:
This is a modification of the Bogart Patent Double-Column Milling-Machine designed for the large class of work that can have two sides operated on simultaneously. Each head-stock is driven by a separate cone and gearing, although but one counter-shaft need be used. The use of long steel pinions, to engage with the gears on the spindles, makes possible the horizontal adjustment of the head-stocks with the minimum resistance. Greatest distance between the ends of the spindles 18-in., least distance, 3 ½ in. Vertical adjustment of the saddle 12 ¾ in. in the lowest position of the saddle the top of the table is 12 ¾ in. below the line of centers. The table is 9 9/16 in. wide. 46 or 52 in. long and has automatic power feed 25 or 30 in., according to its length. |
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1895 John L. Bogart, Duplex Milling Machine
1895 John L. Bogart, Duplex Milling Machine
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