. Amerikanischer Ingenieur und Eisenbahn-Zeitschrift. Es geht um das allgemeine Layout und der Materiallagerung und der Handlingarrangements eines großen Ladens. Die nächste Gruppe beschäftigte sich mit dem Ethos der Verbesserung von Maschinenbändern. Dies ist einer der ersten Punkte, die bei unterlagerten Werkstattverbesserungen aufgegriffen werden, da allein dadurch die Effizienz der Maschinen insgesamt von 10 auf 30 Prozent gesteigert wird. Die dritte Serie zeigte die Veränderungen in Werkstattmethoden, Werkzeugmaschinen und de- April, 190G. AMERICAN ENGINEER AND RAILROAD JOURNAL. 136 Eis, Zwischenfall auf den Einsatz des neuen High-Speed-Legierung Werkzeug steelsdevelo

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. American engineer and railroad journal . ides dealtwith the general lay-out and of material storage and handlingarrangements of a large shop. The next group dealt with themethods of improving machine belting, this being one of thefirst points to be taken up when shop betterment is under-taken, as by this alone the efficiency of the machines will beincreased as a whole from 10 to 30 per cent. The third seriesshowed the changes in shop methods, machine tools and de- April, 190G. AMERICAN ENGINEER AND RAILROAD JOURNAL. 136 ices, incident to the use of the new high-speed alloy tool steelsdeveloped since the introduction of the Taylor-White process.After these were shown some views of machine bettermentsnecessitated by the intensive shop production due to the useof these high-speed heavy service tools, such as the substitu-tion of steel for cast iron gears, the increase in size of drivingand feed pulleys and gears, the strengthening of steady rests, housings, etc. Then followed illustrations of a number of LIGHTING MACHINE TOOLS.. IMPROVED METHOD OF MILLING FOUR ROWS OF SHOES AT ONE TIME. special devices for use in railway shops, showing how, by theexercise of a little ingenuity in the tool room, the cost of ma-chining many special locomotive parts could be greatly re-duced. Next after these were shown special jigs for use on the ma-chines, and then followed a long series of slides on the subjectof tool standardization for an entire railway system, i. e., standardizing punches, drills, reamers for crosshead, knucklepin, and ball joint work, flue rollers, etc. A number of viewswere then given of a recent very light air motor that hasmany advantages for work in close quarters, and on account

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• bookcentury1800
• bookdecade1890
• booksubjectrailroadengineering