File:Railway mechanical engineer (1916) (14761159432).jpg

Identifier: railwaymechanica95newy (find matches)
Title: Railway mechanical engineer
Year: 1916 (1910s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York, N.Y. : Simmons-Boardman Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
operated by an endless chain thrown over a 14-in.sheave pulley. This arrangement enables the trolley position,with or without load, to be changed at the pleasure of the Keeping Shop Orders Clean.—In spite of the best ef-forts of any shop, the job tickets and the blueprints followinga part through manufacturing processes are very likely toend up entirely illegible. This is not necessarily due tocarelessness, as it is impossible to send papers along theroute of the average machine part without having them prettybadly mussed up. The practice of the Barber-Colman Company helps mate-rially in preserving blueprints, job orders, job tickets, etc.,routed through the plant. All milling machines, lathes, drillpresses, etc., are equipped with a small rod bolted to themachine frame in such a manner as to be within easy reachand sight of the operator while the machine is working, andyet not be in the way. This rod rises 10 or 12 in. nearlyvertically from the frame and is hooked at the end;. The
Text Appearing After Image:
Fig. 2—Details of Column and Full-Swing Jib Crane Arrangement operator from the floor. Details of the trolley are shown inFig. 2, which indicates the method adopted for suspendinga five-ton motor hoist by means of two U-bolts, chain linksand hooks. In order to overcome the flexibility of the jib, the 10-in.channels were stiffened by placing a No. 54, 10-lb. CarnegieT on each side of them as shown at L, Fig. 1. In taking roughing cuts on cylindrical grinding ma-chines, says Abrasive Industry, a wide traverse feed shouldbe used, as this will expedite production. The platen travelshould be within % to % in. of the width of the wheel foreach revolution of the work. Fine traverse feeds in roughingoperations with abnormal depths of cut is not as efficient asa wide feed with a comparatively light cut. operator upon receiving a job, puts all papers accompanyingit in an ordinary, strong paper clip, hanging the clip on thishook. This serves a double purpose. All papers are kept inbetter condi

Note About Images