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Title: |
1909 Article - 62-in Double Head Facing Lathe |
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Source: |
The Iron Age. May. 4, 1909. Pg. 723 |
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Insert Date: |
2/21/2011 9:50:18 AM |
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The double head facing lathe illustrated was built by Fay & Scott Dexter Maine from a standard 38 in. pattern raised to swing 62 in. over the bed and 50 in. over the carriage It is designed for facing flanges girders and similar work held in stationary fixtures on the bed md for boring cylinders by the use of a traveling head boring bar It is fitted with a regular carriage extended for extra swing and has the usual screw cutting features The head spindles run in opposite directions to equalize the strain on the work power is applied to them through a splined shaft running through the center of the bed Each headstock is movable by means of rack and pinion provision being made for clamping them securely at any desired position on the bed The facing heads are triple seared direct into the large face plate of which they form a part The ratios of gearing are 12½ to 1 and 40 to 1 The front bearing of the spindle is 6¼ in. diameter and 10½ in. long while the back bearing of the spindle is 4½ in. diameter and 7 in. long The distance between the facing heads on a 22 ft. bed is 13 ft. The weight of the machine is 24,000 Ib |
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