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Machinery's Industrial Secrets
articles for Machinery Magazine

More articles published after WWI. First is an article on designing change gears. You get the simple calculations involved in designing change gear mechanisms for machine tools so that speeds will vary in geometrical progression. Examples include calculations for rotational speed of a lathe headstock with and without back gear, calculations for feed mechanisms for lathes and other machine tools, and calculations for a speed-changing mechanism for a horizontal boring machine. Great info for designers, restorers, and the mechanically curious (that's you isn't it?).

You get an interesting article on various types of gibs and gibbing, including info on a double-taper compensating gib. You get detailed discussion on the pro's and con's of each type of gib. Another article reveals some unusual chucks used for the production of coffee pots, kettles and the like. If you spin metal, you'll probably acquire a few useful ideas here.

An interesting article is a study of how a complex lathe feed gear box was simplified to make it easier to manufacture without sacrificing end performance. The largest article is entitled "Checking Lathes for Accuracy". You'll learn how the pro's test beds for straightness and parallelism, inspect lead screws, check the headstock spindle, truing the face plate, and more.

And you get a short article on a radius turning attachment, and three short articles on attachments and fixtures for elliptical turning and boring. All articles are well illustrated.

If you get one good idea from this booklet, you'll have gotten your money's worth. Take these proven solutions and push them to the next stage. Fun, useful reading. Get a copy.

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