Showing posts with label Introduction to Alphabet of lines. Show all posts
Showing posts with label Introduction to Alphabet of lines. Show all posts

Saturday, July 31, 2010

Introduction to Alphabet of lines

Introduction to Alphabet of lines

In this leasson let me help you on alphabet of lines. In order to understand what the line is trying get across, you must be able to understand the symbols. The standard thickness of the line is 0.030 to 0.038 inches. The standard thin line weight varies from 0.015 to 0.022 inches.

Main Types of Lines

There are 09 types in lines. They are,

1) Visible Lines: The visible lines should be dark heavy and dark lines. It shows the outline and shape of the object. It defines you can see in particular view.

2) Hidden lines: The hidden lines should be light, narrow, short and dashed lines. It shows the outline of a feature that cannot see in particular view. It used to help Clarify feature.

3) Section lines: Thin line usually drawn at 45 degrees angle and it indicates the material that has been cut through in sectional view. This will also help us on net ionic equation calculator

4) Center Lines: The center lines are nothing but thin line consisting of long and short distances. It shows the center of holes, slots, paths of rotation and symmetrical objects.

5) Dimension lines: In alphabet of lines the dimension lines is nothing but lines dark and heavy lines. It shows the length , width , and height of the features of an object. It terminated with arrow heads

6) Extension lines: In alphabet of lines extension lines used to show the starting and stopping points of a dimension and it must have at least a 1/16 space between the object and the extension line.

7) Leader lines: In alphabet of lines leader lines should be thin lines and used to show the dimension or a note that is too large to be placed beside the feature .

8) Cutting plane lines: In alphabet of lines cutting plane lines is thick broken line that is terminated with short 90 degree arrow heads.

9) Break lines: In alphabet of lines break lines is used to break out sections for clarity or for shortening a part.