Appletons' cyclopaedia of applied mechanics- a dictionary of mechanical engineering and the mechanical arts (1880) (14593831949)

Identifier: appletonscyclopa02dapp (find matches)

Title: Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts

Year: 1880 (1880s)

Authors: D. Appleton and Company Benjamin, Park, 1849-1922

Subjects: Mechanical engineering -- Dictionaries

Publisher: New York, D. Appleton

Contributing Library: Mugar Memorial Library, Boston University

Digitizing Sponsor: Boston University

Text Appearing Before Image:

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Text Appearing After Image:

LATHE, METAL-WORKING. 233 The Self-acting Lathe.—The following illustrations relate to an improved self-acting lathe con-structed by William Sellers & Co. of Philadelphia. Fig. 2576 is a side elevation and Fig. 2577 is a plan view of the head-stock of this lathe, if is agear-wheel attached to S for the purpose of driving the feed-motions of the lathe-carriage. Thetrain of wheels between H and the feed-screw are termed the change-wheels, because there are anumber of these wheels of the same pitch of teeth but of different diameters, or, what is thesame thing, containing different numbers of teeth ; and only those are placed in po- 25*5« sition on the lathe whose numbers of teethare those necessary to effect the properratio of revolutions required under anygiven circumstances to be maintained be-tween the live spindle and the feed. InFig. 2576, J is the cone or stepped pulley,which is driven by the belt. It is fitteda neat working fit to the live or running-spindle S, and revolve

Appletons Cyclopaedia of Applied Mechanics A Dictionary of Mechanical Engineering and the Mechanical Arts 1880 historische Drehmaschinen für die Metallbearbeitung Buchillustrationen Maschinenbau Maschinenbau hohe Auflösung Bilder aus dem Internetarchiv

1880

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