Line types and their application

There are technical drawings of different lines, whose application for underwriting certain elements is foreseen. A line can be a straight or a curve, they must have a specific starting point and an endpoint, and may be with or without interruption through his. The rules for lines in technical drawings are in the ISO 128-20 described.

Here is a list with different line types and their application:

1. Full line, narrow

• Dimension line
• Maßhilfslinie
• Light Edge
• Note and reference lines
• Hatch
• Short funds lines
• Thread reason
• Maßlinienbegrenzung
• Diagonally crosses the flat surfaces characterize
• Bending lines (with tubes and machined parts)
• Umrahmungsen (from Prüfmaßen/Form- and position tolerances and details)

2. Freehand line, narrow

• Drawing of views and limitations interrupted cuts (drawn freehand)

3. Criss-cross line, narrow

• Drawing of limitations interrupted views and slices (with automatic character Signed)

4. Volllinie, broad

• silhouette visible
• visible edge
• Thread Gust
• Limit the usable length of thread
• Form division lines

5. Streak line, narrow

• covert edges
• covert outlines

6. Streak line width

• Identification of surface treatments

7. Streak point line, narrow

• Midline
• Symmetry Line
• Part circle (with holes)
• Part circle (with teeth

8. Streak point line, wide

• Cutting levels
• Identification of division lines in the form of cuts
• Identification of limited areas, e.g. Treatment

9. Two-stroke point line:

• Focus lines
• Outlines of adjacent components
• End positions of movable parts

If you are a beginner in technical drawing, you will see the stichpunktartigen information on the cases of application of different line types is not very anschlaulich be. But in a concrete example of the use of various types in technical line drawings is still in secondary scripts on this site received.