line types in technical drawing

hofheimer March 26, 2022 drawing , line , technical Comment

LEADER LINE Medium line with arrowhead to show notes or label for size or special information about a feature. Construction lines and guide lines are very light easily erased lines used to block in the main layout.

Line Types Engineering Drawing Wikipedia Line Art Lesson Types Of Lines Different Types Of Lines

E type Dashes THICK.

. G type Chain Thin. Below is a list of the various types of technical drawing and their uses. This video will help you to understand the difference between different types of lines used in technical drawing.

Up to 24 cash back Drawing Line Types Weight. The axis of cylinders holes. These lines are used for the main lengths of the object view.

LINES AND THEIR MEANING Various kinds of standardized lines are used on aircraft drawings. Following are the different types of lines used in engineering drawing. BS EN ISO 128-202001 Technical drawings.

PHANTOM LINE Long line followed by two short dashes use to show alternate position of a moving part. Start studying 12 Types of lines used in technical Drawing. You are not limited to these line types.

Some of these professions can be broken down into various professions that all engage in technical drawing. Object lines are solid heavy lines 7 mm to 9 mm. In this followup to my first line types video I talk about a few more types of lines used in technical drawings.

Fold Lines are lines used to represent an object flattened out into a 2D shape the bend lines are represented by long line and two short dashed line and then a long line again as shown on the left. Isometric Projection A means of producing an accurate drawing of a 3- dimensional object using a combination of 30o lines for lines which are horizontal in. Each line type has clear meanings on the drawing and mixing up one type with another type is the equivalent of spelling something incorrectly in.

They are drawn as solid lines with a thickheavy weight. Drawings for interior designprojects generally use three line widths. They are used for showing the geometrical features.

Thin lines are nearly 03 mm012 in most technical drawings. SECTION LINE Medium lines drawn at 45 degrees use to show interior view of solid areas of cutting plane line. BS 88882008 Technical product specification.

Learn vocabulary terms and more with flashcards games and other study tools. H type Chain THIN and THICK. Spring 2006 MEC1000 Technical Drawing - D.

C type Continuous THIN Freehand. Measure lines Backside section lines Implied axis lines to state the code of the planes at diagonal lines which are used to state plane surface Intersection Leader Hatching. Thin hidden lines are used as intermittent line types.

D type Continuous THIN Zig-Zag. Figure 3-7 These are common line types used in drawings to describe objects hidden conditions and important relationships between components and space. A center line is a 3 mm to 5 mm line that alternates between short and long dashes.

Hidden lines- are short-dashed lines that may be used to represent edges that are not. Line types are also a language type to communicate between technical people. The Line type definition numbers are my own.

Once again you are free to make up your own line definitions but it is recommended that you put a note on the drawing with their meaning. In general application thick lines are 06 mm024. 9 Line styles and types Line styles are used to graphically represent physical objects and each has its own meaning these include the following.

You should make the line so that end of the line ends with the long dash on both ends. Linetypes And Weight Standards In Technical Drawing. A type Continuos Thick.

Visible lines are the edges or outlines of an object. Types of Lines in Technical Drawing Object Line. A hidden line.

Line weight is the thickness of the line. Up to 24 cash back Fold Lines. B type Continuous THIN.

Centre Lines on Cylindrical Objects. Following are the different types of lines used in engineering drawing. Dimensions Hidden Surfaces Center of objects TYPES OF TECHINCAL LINES CENTERLINES Centerlines are made.

Technical drawings are used widely throughout many industries by professionals including architects engineers CAD Technicians product designers and mathematicians. General principles of presentation. Thick lines are generally twice as wide as thin lines usually V32 inch or about 08 mm wide.

Anderson 26 Drawing Standards - Line Types There exist many line types here are but a few Visible Line Hidden Line Section Line Center Line Dim Extension Leaders Cutting Plane Viewing Plane Center Mark Leaders. F type Dashes THIN. It is used to.

The line types are thick thin continuous straight curved zigzag discontinuous dotted and discontinuous chain dotted. Boundaries Edges Intersection of surfaces Lines shows. You can define your own but the British standards require that you add a key to your drawing to describe your custom line types meaning.

AC DRAWING TYPES OF DRAWING LINES LESSON 5 AIM. All other lines contrast with the visible lines by having either a thinner weight andor a combination of dashes. How to interpret a technical drawing.

These lines define the shape of the object portrayed. Centre lines are used to represent. Visible lines - are continuous lines used to draw edges directly visible from a particular angle.

A PFD normally comprise of but not limited to i all the process lines utilities and operating conditions essential for material balance and heat and material balance ii utility flow lines and their types which are used continuously within the battery limits iii equipment diagrams to be arranged according to process flow designation and equipment number iv. BS 88882008 Technical product specification. BS EN ISO 128-202001 Technical drawings.

Thick dark medium and thin light. Surroundings and sides of the matters Outlines of the Edges End of the Screws B. Thick and visible line.

General principles of presentation. The centre of circular features. A type Continuos Thick B type Continuous THIN C type Continuous THIN Freehand D type Continuous THIN Zig-Zag E type Dashes THICK F type Dashes THIN G type Chain Thin H type Chain THIN and THICK J type Chain.

Technical Drawing Standards Line Types