- What does orthographic mean?
- What are the 6 views of orthographic drawing?
- What are the principles of orthographic drawing?
- What is first angle projection?
- Where do you put hidden lines?
- What are the 3 planes of projection?
- What are the types of orthographic projection?
- What are the theories and principles of orthographic projection?
- How do you draw orthographic views?
- What are the two main types of projection?
- How do you use hidden lines?
- What is orthographic view in engineering drawing?
- What are the 3 principal views?
- What is isometric drawing?
- What are the principal views of orthographic projection?
What does orthographic mean?
orthography \or-THAH-gruh-fee\ noun.
1 a : the art of writing words with the proper letters according to standard usage.
b : the representation of the sounds of a language by written or printed symbols..
What are the 6 views of orthographic drawing?
views that are produced by six mutually perpendicular planes of projection. surfaces of the object positioned so that they are parallel to the sides of the box, six sides of the box become projection planes, showing the six views – front, top, left, right, bottom and rear.
What are the principles of orthographic drawing?
Orthographic drawings are the projection of views on a drawing. It is necessary to show only enough views to show all the features. There are six basic views: top, front, bottom, back, right side and left side.
What is first angle projection?
First angle projection is a method of creating a 2D drawing of a 3D object. It is mainly used in Europe and Asia and has not been officially used in Australia for many years. In Australia, third angle projection is the preferred method of orthographic projection. Note the symbol for first angle orthographic projection.
Where do you put hidden lines?
Hidden lines are used to show surfaces that are not directly visible. All surfaces must be shown in all views. If an edge or surface is blocked from view by another feature, it is drawn using a hidden line. Figures 4-11 and 4-12 show objects that require hidden lines in their orthographic views.
What are the 3 planes of projection?
[FIGURE 3-2] Projections of the point are made onto three of the surfaces that make up the box: the top or “H” (horizontal) plane, the front or “F” (frontal) plane, and the right side or “P” (profile) plane.
What are the types of orthographic projection?
There are four types of projection but out of that only first angle projection and third angle projections are used.First angle projection.Second angle projection.Third angle projection.Fourth angle projection.
What are the theories and principles of orthographic projection?
The fundamental theory is rooted in the principles of solid geometry and need not concern us. The basic idea, so far as drawing is concerned, is that there are three planes mutually at right angles, like the sides of a box.
How do you draw orthographic views?
Creating an Orthographic ProjectionChoose a front view. … Decide how many views are needed to completely describe the object. … Draw the visible features of the front view.Draw projectors off of the front view horizontally and vertically in order to create the boundaries for the top and right side views.Draw the top view.More items…
What are the two main types of projection?
The most common types are the perspective and orthographic projections.
How do you use hidden lines?
Hidden lines are dashed lines used to represent internal features that are obscured by the object. These hidden lines represent the obscured corner of the notch. potential hidden lines in this sketch fall directly behind visible lines in the right side view.
What is orthographic view in engineering drawing?
Orthographic projection, common method of representing three-dimensional objects, usually by three two-dimensional drawings in each of which the object is viewed along parallel lines that are perpendicular to the plane of the drawing.
What are the 3 principal views?
For this object three views are created: front, top, and right side. The views are aligned so that common dimensions are shared between views.
What is isometric drawing?
An isometric drawing is a type of 3D drawing that is set out using 30-degree angles. It’s a type of axonometric drawing in which the same scale is used for every axis, resulting in a non-distorted image.
What are the principal views of orthographic projection?
Typically, an orthographic projection drawing consists of three different views: a front view, a top view, and a side view. Occasionally, more views are used for clarity. The side view is usually the right side, but if the left side is used, it is noted in the drawing.