The Whitin profile Volume 3 - Softcover

Group, Books

Softcover

ISBN 10: 1130772357 ISBN 13: 9781130772357

Verlag: RareBooksClub.com, 2012

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Reseña del editor:

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. 1921 Excerpt: ...to the Pickle Room, then to the wheel for snagging, then to the bench for filing and chipping, and then to the grindstone, where it is ground for polishing. Bolster cases and whorls are first put through the Annealing Room rattlers, then go to the scales to be weighed, then to the Annealing Room rattlers again for a bright rattler finish, and then snagged. Head ends are first sent to the Pickle Room, then to the swinging emery wheel to be roughly polished, then filed and chipped. It is quite a problem to handle new castings and determine the route of them through the Cast Iron Room. We have already mentioned the fact that many of the castings are pickled, which to many may seem rather strange. This is a process of soaking the sand from the castings by pouring over them a 22% solution of sulphuric acid. The castings are usually large ones such as side rails, roller beams, bolster rails, step rails gear covers, card and picker sides, head ends, etc. They are first scraped with a file shank, then piled; and as each is being put in place, one man pours a bucket of this sulphuric acid or vitriol solution over them. They are allowed to stand over night, when vitriol is poured over them again, after which they are washed off with an ordinary hose. In case the sand has not been entirely cleaned off, the small castings are often sent to the sand-blast machine, and the larger ones are chipped and filed by hand. We have a large battery of fortyfour snagging wheels, where prac tically every casting that a man can easily handle is cleaned of its sand, and if necessary it is then sent to the bench for further cleaning. Another branch of the Cast Iron Room is the wet-grinding section, consisting of eleven stones, six feet high and about one foot thick, each weighing two t...

Über diese Auflage

• Verlag: RareBooksClub.com
• Erscheinungsdatum: 2012
• ISBN 10: 1130772357
• ISBN 13: 9781130772357
• Einband: Tapa blanda
• Anzahl der Seiten: 102