What are the 3 standard views in an orthographic drawing?
Although six different sides can be drawn, usually three views of a drawing give enough information to make a three-dimensional object. These views are known as front view, top view and end view. Other names for these views include plan, elevation and section.
What is orthographic drawing?
The definition of an orthographic projection is a two-dimensional drawing of a three-dimensional object, using two or more additional drawings to show additional views of the object.
What are the types of projections?
Each of the main projection types—conic, cylindrical, and planar—are illustrated below.
- Conic (tangent) A cone is placed over a globe.
- Conic (secant) A cone is placed over a globe but cuts through the surface.
- Cylindrical aspects. A cylinder is placed over a globe.
- Planar aspects.
- Polar aspect (different perspectives)
What is called projection?
When you push something away from a central structure, that’s called projection. Both the ject in projection and the word jet come from the Latin root jactus, which means “throw.” A jet plane throws itself — or projects itself — away from a central structure (the Earth) and into the air.
How many types of projections are?
This group of map projections can be classified into three types: Gnomonic projection, Stereographic projection and Orthographic projection.
What are the four methods of projection?
There are four main types of projection methods used in mechanical drawing in order to convey information such as geometry, dimensions, tolerances, material and finish….Let our resources save you time and money!
- Orthographic Projection.
- Axonometric Projection.
- Oblique Projection.
- Perspective Projection.
What is first-angle projection?
First-angle projection: In this type of projection, the object is imagined to be in the first quadrant. Because the observer normally looks from the right side of the quadrant to obtain the front view, the objects will come in between the observer and the plane of projection.
Who uses 1st angle projection?
First angle projection is widely used in India and European countries. The object is placed between the observer and projection planes. The plane of projection is taken solid in 1st angle projection.
How do you find angle of projection?
The maximum height achieved by a projectile ignoring the air resistance is given by HM=U2Sin2 θ 2g… (1) where U is the initial velocity, θ is the angle of projection and g is the acceleration due to gravity. The horizontal distance covered by the projectile i.e. range is given by, R=U2Sin2 θ g… (2).