the units of the dimensions (if the drawing is mistakenly printed on a different paper size, the scale becomes meaningless)Ī revision table is normally located in the upper right of the drawing frame.
the name of the source part or assembly file.
#WHAT ARE ENGINEERING AS BUILT DRAWING BOOK SOFTWARE#
the name of the CAD software used and its version.
In addition to the information above, for drawings produced using CAD software, it is highly recommended to have the following information in the title block:
other information as required (tolerances, surface finish, etc.).
the sheet number for multi-sheet drawings.
the signature or initials of the draftsman, checker, approving officer, and issuing officer, with the respective dates.
the angle of projection used, either first or third, generally shown symbolically.
the drawing number, which is generally a unique filing identifier.
the name of the company or organization.
Title Block, The title block is normally placed in the bottom right of the drawing frame, and it should contain the following information:
The margins of the drawing frames are standardized for each size of paper.
Sheet FramesIt is standard practice for a drawing frame to be printed on each sheet, defining a margin around the outside of drawing area.
The figure shows the layout of a typical sheet, showing the drawing frame, a typical title block, parts list (bill of materials) and revision table.
Standard layouts of drawing sheets are specified by the various standards organizations.
ISO Standards Handbook:Technical drawings, Volume 2: Mechanical engineering drawings Construction drawings Drawing equipment.
ISO Standards Handbook: Technical drawings, Volume 1: Technical drawings in general.
The ISO standards for technical drawings are found in a two volumes handbook: