line types in technical drawing

greenway March 07, 2022 in , technical , types Comment

Guide line It is used to indicate a part of the object to which a note refers. Construction lines and guide lines are very light easily erased lines used to block in the main layout.

Technical Drawings Lines Geometric Dimensioning And Tolerancing Definition Of The Drawings Lines Iso Ansi Projected Two View Drawing

Lines of different types and thicknesses are used for graphical representation of Objects.

. The types of technical drawing listed in this article are the following. What are the types of line in technical drawing. Figure 3-7 These are common line types used in drawings to describe objects hidden conditions and important relationships between components and space.

BS EN ISO 128-202001 Technical drawings. All other lines contrast with the visible lines by having either a thinner weight andor a combination of dashes. E type Dashes THICK.

You can then draw the line from left to right with your right hand. Generally terminates v arrowheads or tick markings. Break line Used in order to represent a long piece which is shortened.

B type Continuous THIN. They are used to indicate the important features of other parts. Following are the different types of lines used in engineering drawing.

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. You are not limited to these line types. CONSTRUCTION LINE very light and thin line use to build layout work.

A measuring area or a limit of heat-treatment. F type Dashes THIN. ISO 128 engineering drawing line type J reason eg.

There are then different types of lines among the main ones are. Object lines are solid heavy lines 7 mm to 9 mm. 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.

Floor plans Elevations CrossLongitudinal Sections Detail drawings 3D Detail drawings Roof plans Site plans What is a Technical Drawing. It is used to. Examples of this type of line can be seen in the movable jaw detailed drawing.

The Line type definition numbers are my own. Types of Lines in Technical Drawing Object Line. Lines of different types and thicknesses are.

G type Chain Thin. Hidden Line Segmented lines that represent corners or vertices of objects that are hidden from perception. BS 88882008 Technical product specification.

A hidden line. The less hidden lines short strokes the drawing has the easier it will be to interpret. Line weight is the thickness of the line.

The line types are thick thin continuous straight curved zigzag discontinuous dotted and discontinuous chain dotted. Thick lines are generally twice as wide as thin lines usually V32 inch or about. A center line is a 3 mm to 5 mm line that alternates between short and long dashes.

Learn vocabulary terms and more with flashcards games and other study tools. OBJECT OR visible LINES thick dark line use to present outline of object clearly shows edges and surfaces. Make sure you place your left hand on the stock of the t-square this insures that the t-square remains in against the board.

Line Types Horizontal Lines To draw Horizontal lines make sure you place the stock of the t-square up against the edge of your drawing board. General principles of presentation. MANZOOR ALI RAHIMOON 2.

Drawings for interior design projects generally use three line widths. C type Continuous THIN Freehand. Visible lines are the edges or outlines of an object.

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. These lines define the shape of the object portrayed. Simply put a technical drawing is a drawing that conveys information or instruction to the intended viewer.

D type Continuous THIN Zig-Zag. In this followup to my first line types video I talk about a few more types of lines used in technical drawings. Follow Mechanical Engineer Line Types In Engineering Drawing 1.

The ISO type K lines are thin discontinuous and chain dotted with a double dot as shown in Figure 314. The British standards give us fifteen line types to use. DIMENSION LINE Thin and dark lines usage to present the size span of an object with a numeric value.

A type Continuos Thick. OBJECT OR VISIBLE LINES Thick dark line use to show outline of object visible edges and surfaces. Not all of them have a specific meaning or at least they only have a meaning that is specific to the industry they are used in.

CONSTRUCTION LINE Very light and thin line use to construct layout work. Thick dark medium and thin light. This video will help you to understand the difference between different types of lines used in technical drawing.

They are drawn as solid lines with a thickheavy weight. Cut and section in basic drawing. DIMENSION LINE Thin and dark lines use to show the size span of an object with a numeric value.

This is achieved by applying cuts and sections. The technical drawing must give a clear and precise idea of the exterior of the object represented and also of its interior characteristics. Start studying 12 Types of lines used in technical Drawing.

Engineering Drawing Wikipedia