Essentials of Mechanical Drafting: Elements, Principles, and Methods, With Specific Applications in Working Drawings of Furniture, Machine, and Sheet Metal Construction; A Manual for Students (Classic Reprint)

Ludwig Frank

ISBN 10: 0365150797 / ISBN 13: 9780365150794

Editore: Forgotten Books, 2019

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New Book. Shipped from UK. Established seller since 2000.

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Dati bibliografici

• Titolo: Essentials of Mechanical Drafting: Elements, Principles, and Methods, With Specific Applications in Working Drawings of Furniture, Machine, and Sheet Metal Construction; A Manual for Students (Classic Reprint)
• Editore: Forgotten Books
• Data di pubblicazione: 2019
• Lingua: Inglese
• ISBN 10: 0365150797
• ISBN 13: 9780365150794
• Rilegatura: HRD
• Condizione: New
• Peso: 431 grammi

Descrizione articolo

Riassunto

Excerpt from Essentials of Mechanical Drafting: Elements, Principles, and Methods, With Specific Applications in Working Drawings of Furniture, Machine, and Sheet Metal Construction; A Manual for Students

Mechanical drafting enables constructive work of any kind to be carried on with accuracy and economy of time and material, and takes the place of lengthy verbal description which would fail to express with clearness and exactness the definite information required by the workman.

It will be seen from Fig. 179 that certain general peculiarities of the form and structure of an object may be understood from an ordinary pictorial representa tion, but that it cannot Show the exact form, Size, and relation of all the lines and surfaces; hence the necessity for mechanical drawings which Show all hidden as well as visible parts of an object as they are and not as they would appear to the eye.

Mechanical drafting is thus the graphic language of the constructive or mechanic arts, and ability to read or comprehend mechanical drawings is of as great importance to the workman, builder, and manufacturer as ability to make such representations is to the designer or draftsman; and a knowledge of general drafting principles is of value to almost all men irrespective of their vocations.

Because of the exact nature of the facts which it is intended to record or convey the drawing is generally executed with the aid of instruments.

The mechanical character of the representation, together with its purpose and the usual means of execution, gives mechanical drafting its name.

Machine drafting, architectural drafting, and engineering drafting are specific applications of mechanical drafting.

A mechanical drawing properly dimensioned in figures and prepared as a guide in constructing the object is called a working drawing.

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