One Thousand Pointers For Machinists & Engineers by Charles McshaneOne Thousand Pointers For Machinists & Engineers by Charles Mcshane

One Thousand Pointers For Machinists & Engineers

byCharles Mcshane

Paperback | July 5, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ...burst the box. To Bore Out.--Driving brasses should not be bored out until after they are pressed into box. You can bore them out in boring mill or lathe. Set perfectly central sideways, leaving all the stock possible in crown; bore the exact size of smallest part of journal, and keep oil cellar in box when boring out. To Fit to Journal.--Always file out crown of brass about 3" wide and scrape to a good bearing on sides. The weight of the engine will soon bring her down on crown. Leave no rough file marks on brass, and clean out oil holes. Don,t let it bear on fillet. Let it move freely on journal when finished. A long board is generally used when fitting driving boxes, but in some shops where very heavy boxes are in use a block and tackle with a hook is used to raise and lower box onto journal. RODS, BRASSES, ETC. HOW TO FIND LENGTH OF MAIN ROD. If guides and cross-head are up and main driving box set properly in jaw, place cross-head in exct center of guides and use a square from center of main driving box. Place one end of a long stick against cross-head pin and scribe line on back end of stick square with center of main box; now add on one-half the diameter of cioss-head pin and you have it. If guides are not hung, or boxes not in jaw, place straightedge acioss main shoes and get distance to face of back cylinder head. Now add one-half the diameter of main box. Now substract the length of the front guide block clearance, and half the travel and the distance from front end of cross-head to center of cross-head pin. The remainder will be your length, providing the cylinder center and wheel center are on a horizontal line (see diagram on page 76). If they are not in the same horizontal line then the main rod must be made longer, how much...
Title:One Thousand Pointers For Machinists & EngineersFormat:PaperbackDimensions:80 pages, 9.69 × 7.44 × 0.17 inPublished:July 5, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1236648994

ISBN - 13:9781236648990

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