twenty per hour. From the above outline of the operation on the Hart-ness lathe it will be seen that only the boring and thefacing of surfaces perpendicular to the axis are accom-plished in this machine. The remaining surfaces, thatis, the face and both ends of the toothed portion of thering, are… … RING BEVEL ATTACHMENTFAY AUTOMATIC LATHE Fig. 7—-Tool arrangement andpneumatic fixture for second opera-tion on ring gear blank 512 AUTOMOTIVE INDUSTRIES THE AUTOMOBILE March S. 1921 toothed side away from the chuck, as shown in the il-lustration (Fig. 7). It is located either by the bored holeor…
Automobiles · Aeronautics
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