Auto cad is created by a company called Auto desk. Where auto means automatic and cad means computer aided designing and drafting. It was introduced in 1982. It is developed and design by USA based company auto desk for designing and developing of drafting and modelling files.Users can draw both 2D drawing and 3D model files.Auto-Cad is most widely used technical and is used in various streams such as Architecture, Mechanical, Gis (Geographical information system) and electrical and electronic, multimedia etc.
What is autocad Learn autocad computer-aided design applications and shortcut commands and Free download autocad Tutorial
Auto-cad basically divided in to sections they are 1) auto cad 2d drafting & allocation
2) Isolated 3) 3D
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| What is autocad Learn autocad computer-aided design applications |
It consist of two types of drawings two dimensional and three dimensional drawing. In 2D dimensional drawing we can drawing in x- axis and y-axis. so in two-dimensional the plane visible only in two-dimensional only. In 3D we can draw a part in three planes In x direction, y-direction and in Z-direction. With the help of auto cad we can draw layouts of buildings, bridges, office infrastructures etc and we can edit the drawing dimension and the plan of drawings can be edit easily.This auto-cadd models used for designing aircraft's, manufacturing,buildings,trusses,bridges etc.,
Some of the advantages of auto-cad is reducing the design timing and producing effective proto- type faster, can acquire highest quality of product and accuracy. Auto cad is used for wire frame modelling, surface modelling, solid modelling .
In Auto-cad we can give geometry,dimension,tolerance, surface finish, Material specification for a part easily and can be editable for feature use. It is a user-friendly. Drawing sheet formats in auto-cad some of them are Drawing sheet standards are
- 210 MM X 297 MM -A4
- 297 MM X 420 MM-A3
- 420 MM X 594 MM -A2
- 594 MM X 841 MM -A1
- 841 MM X 1189 MM-A0
Saving formats of auto-cad files are .dwg format and .dwt formats.
Some of the auto-cad formulas used for in drawing are
1.circle C enter
2.rectangle REC enter
3.line L enter
4. Erase E enter
5. Print/plot ctrl+p Enter
6. Undo U
7.Multi line Ml enter
8. Trim Tr Enter
9. Extend EX Enter
10.Offset O Enter
11. Move M Enter
12.Copy CO Enter
13. Stretch S Enter
14. Mirror MI Enter
15.Rotate RO Enter
16.Fillet F Enter
17. Chamfer CHa Enter
18. Array AR enter
19. Layer LA Enter
20. Text
21.Dim
22. Scale/sc Enter
23. Boundary hatch Bhatch/H enter
24.Hatch edit Hatch Edit/HE enter
This are some the short cuts used in auto cad to draw 2d drawings in autocad.
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