Asme y142 2008 line conventions and lettering the american society of mechanical engineers this standard establishes the line and lettering practices for use in the preparation of drawings including the recognition of the requirements for computer aided design cad and manually prepared drawings.

Line convensions and lettering pdf. Asme y142 2008 line conventions and lettering. This standard establishes the line and lettering practices for use in the preparation of engineering drawings including the recognition of the requirements for cad computer aided design and manual preparation for their reduction and reproduction. Asme y142 2014 line conventions and lettering. Line conventions and lettering asme yl42m 1992 revision of ansi y142m 1979 at the american society of mechanical engineers 345 east 47th street new york ny.

January 30 2015 this standard will be revised when the society approves the issuance of a new edition. The thick line width. Line conventions describe the size construction and application of the various lines used in making draw ings. All dimensions used in this standard are in millimeters except in appendix i.

Unit 2 line conventions and lettering engineering 102 print reading for industry slide 1 prepared by. Establishes the line and lettering practices for use in the preparation of drawings including the recognition of the requirements for computer aided design cad and manually prepared drawings. Line conventions are different types and weights of lines used to represent the features of an object. View homework help unit 2 slidespdf from engr 3876 at glendale community college.

This standard establishes the line and lettering practices for use in the preparation of drawings including the recognition of the requirements for computer aided design cad and manually prepared drawings. The line conventions most often encountered in construction. 21 line widths two widths of lines should be used on drawings see fig. These line conventions must be understood in order to read drawings.

Paragraphs 21 through 214 identify the type and style of lines for use on drawings. This standard establishes the line and lettering practices for use in the preparation of engineering drawings including the recognition of the requirements for cad computer aided design and manual preparation for their reduction and reproduction. The thin line width shall be 03 mm minimum.