Modern American Lathe Practice a New Complete And Practical Work On the King O
Modern American Lathe Practice a New Complete And Practical Work On the King O
Charles Oscar Eugene Perrigo
The book Modern American Lathe Practice a New Complete And Practical Work On the King O was written by author Charles Oscar Eugene Perrigo Here you can read free online of Modern American Lathe Practice a New Complete And Practical Work On the King O book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Modern American Lathe Practice a New Complete And Practical Work On the King O a good or bad book?
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All of the eight change-gears are protected by the case except the top of the one which is in mesh with the intermediate gear. To give a sufficient range of pitches, a set of three pairs of gears is provided in the head-stock to vary the speed of the intermediate FIG. 176. Longitudinal Section of Rapid Change Gear Attachment built by the Springfield Machine Tool Company. Gear. These are housed in the gear cases shown at the extreme end of the head-stock. These are clutched to their spindles by ...slipping them on until their clutches engage the spindles, which have clutches with their end sections reduced, as in the case of the lead screw shown at F in the sectional drawing, Fig. 176. These gears furnish ratios of from 1 to 1, 2 to 1, and 4 to 1. The last two may be reversed and five speeds may be given to the fixed pinion driving the intermediate gear. The intermediate gear RAPID CHANGE GEAR MECHANISMS 203 revolves on a fixed stud on a quadrant to which the handle is attached, and is removed from contact by raising the quadrant.
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