Technical Drawing
Technical drawing or sketching traditionally includes a number of views( also called elevations in architectural drawing), and detail drawings and sections- as many as are needed to convey all the needed information about the object.
The views are lined up on the sheet so that each dimension can relate to more than one view.
What is the anatomy of a technical drawing?
A technical drawing typically consists of the following crucial components:
A technical drawing typically consists of the following crucial components:
A title block
The title block contains basic information about the part you’re producing, such as the part name, the material, the finishing and color requirements, the designer's name and the company. It’s essential to fill in this basic information, as it informs the manufacturer about the part’s primary function.
The title block also contains other technical information, including the scale of the blueprint and the standards used for dimensioning and tolerancing.
An isometric/pictorial view of the part
We advise that you add one or more 3D pictorial views of the part to your technical drawing. This makes the drawing easier to understand at a glance. Isometric views combine the illusion of depth with the undistorted presentation of your part’s geometry (vertical lines remain vertical and horizontal lines are drawn at 30 degrees).
The main orthographic views of the part
These are two-dimensional depictions of the three-dimensional object, representing the exact shape of the part, as seen from the outer side of a bounding box one side at a time. Only the edges of the parts are drawn this way to communicate dimensions and features more clearly.
For most parts, two or three orthographic views are sufficient to accurately describe the whole geometry.
Section views or detail views
Section views can be used to show the internal details of a part. The cutting line in a main orthographic view shows where the part is cross-sectioned and the cross-hatch pattern of the section view indicates regions where raw material has been removed.
Technical drawings can have multiple section views with two letters linking each cutting line with each section view (for example A-A, B-B and so on). The arrows of the cutting line indicate the direction.
Notes to the manufacturer
Adding notes to the manufacturer on the technical drawing is very important, though not required for getting a quote. They convey additional information that was not included in the blueprints themselves.
A technical drawing typically consists of the following crucial components:
A title block
An isometric/pictorial view of the part
The main orthographic views of the part
Section views or detail views
Notes to the manufacturer
The Alphabet of Lines
Borderline- line around the periphery of a drawing
Extension Lines
Dimensioning
Break Lines
Hidden Lines
Notes
Shading
11-unit3-min.pdfInstructables: Drawing Lessons
https://www.instructables.com/Sketching-Drawing-Lessons/
