Engineering drawing news newspapers books scholar jstor september 2009 learn how and when to remove this template message. Section 17 drawing practice for isometric projection. Any orthographic, projected or sectioned view is created by the software. Sectional drawing n2 class of drawing mechanical engineering. Drawing just like photography is one of the basic forms of visual communication. Together, such conventions constitute a visual language and help to ensure that the drawing is unambi. Drawing is used to record objects and actions of everyday life in an easily recognizable manner. Introduction welcome to the fundamentals of design drafting. Sections are an essential part of any technical drawing as a tool for showcasing buried information without the limitations of hidden detail.
By analyzing different aspects of 1996 technical drawings included in the fyp about. In this example, blocks a and b result after the block in figure 1 has been sectioned. Sectioning is the process of drawing an object imagining it to be cut throw by a cutting object. Technical drawing, drafting or drawing, is the act and discipline of composing drawings that. The diagonal lines on the section drawing are used to indicate the area that has been theoretically cut. A section drawing, section or sectional drawing shows a view of a structure as though it had been sliced in half or cut along another imaginary plane. The cut line is called a cutting plane, and can be done in several ways. These lines are called section lining or crosshatching.
Technical drawing is concerned mainly with using lines, circles, arcs etc. Engineering drawing distant production house university. There are different types of section lines which are used for different types of. Assume that you had a bracket and cut it with a hacksaw along the line marked bb. Full section, half section, part section, broken section, revolved section, scrapt section. A cuttingplane line shows where object was cut to obtain the section view.
Cross hatching in the section view shows the solid surface of the object which were cut through to produce the section. Sections are used to show interior details clearly. Any material cut when a section view is defined is hatched using section lines. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. If you want to download or read this book, copy link or url below in the new tab. Information and translations of drafting in the most comprehensive dictionary definitions. The lines are thin and are usually drawn at a 45degree angle to the major outline of the object. Traditional section views are based on used of an imaginary. Engineering drawing n2 august 2011xpaper skip navigation.
A multiview technical drawing that reveals details. A section is used to show the detail of a component, or an assembly, on a particular plane which is known as the cutting plane. Section 16 symbolic representation of welds on technical drawings. Mechanical drawing definition of mechanical drawing by. The role of a section in an engineering drawing is to reduce the hidden lines. To make the drawings easier to understand, people use familiar symbols, perspectives, units of measurement, notation systems, visual styles, and page layout. A technical drawing is a means of clearly and concisely communicating all of the. An engineering drawing is a type of technical drawing that is used to convey information about. Chapter 3 sectioning basic topics advanced topics exercises. The fundamentals of design drafting a students guide by daryll smith.
For practical purpose, the cast iron symbol is used most often for any materials. Technical drawing is essential for communicating ideas in industry and engineering. Below are the basics concepts of engineering drawings. Section views are used to get rid of the confusing hidden lines. Find the top 100 most popular items in amazon books best sellers. It is a language of communication between architects and engineers, usually to convey information about the object. Rudy aguilar is a career and technical education teacher at apollo high school in glendale, arizona. However, it is very important that the drawing produced to be accurate and clear. The content presented in the fundamentals of design drafting text is written to. A section view is a view used on a drawing to show an area or hidden part of an object by cutting away or removing some of that object. Sectioning is used frequently on a wide variety of industrial drawings. Mechanical drawing definition is drawing done with the aid of instruments.
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