Akyurek me 114 computer aided engineering drawing ii assembly drawing exercises therefore, keep number of views minimum necessary to describe the assembly. They serve to present additional orthographic views of surfaces that appear as hidden. Half sections are used mainly for symmetric objects or assembly drawings. Discuss the advantage of using conventional revolutions. If you understand the procedure than its well and good,if not, i would suggest you to first master the a. Aug 15, 2000 a draughtsman produce original drawings but is also required to read and absorb the content of drawings he receives without ambiguity. It is common to have a single orthographic assembly view, such as the front view. Feb 19, 2017 sectioning gives an inside picture of a drawing. Engineering drawing basics beginner to advanced engineering.
Take away the front half figure 10 and what you have is a full section view figure 11. Sectional views are used in engineering and architectural drawings. Sections are used to show interior details clearly. The following slides will help show the several methods or types of section views. Sections and sectional views are used to show hidden detail more clearly. What is the importance of sectioning in an engineering. When the cutting plane cuts across the web, the web is hatched in the section view section aa. Students will learn to read and construct all architectural, structural and other drawings by means of discussions and drawing examples related to existing buildings or projects. Improved placement of views on types of drawings samples to prevent unnecessary rework of drawings at a later date. Cutting planes are indicated on the drawing by a long chain line 0.
The mechanical engineering branch, mechanical systems division, has been delegated. More over, other subsidiary topics like sectioning, projection of. Sectioned technical illustrations are used to describe interior features of complicated assemblies. Hidden detail like holes are not shown on the section view. Let us take an civil engineeringarchitectural example of a house drawing. Engineering drawing app technical,civil,mechanical apps on. 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 views sectional drawings are multiview technical drawings that contain special views of a part or parts, views that reveal interior features.
Drawing tools to prepare a drawing, one can use manual drafting instruments figure 12 or computer. How to find the missing view of any object in engineering. A section is a view of no thickness and shows the outline of the object at the cutting plane. Manually, axonometric views can be constructed from orthographic views. Used to improve clarity and reveal interior features of parts. Without this sectional view, we would be forced to dimension to hidden lines. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The arrows at the ends of cuttingplane line point in the direction of sight for front section. Use the section view sketch mode in conjunction with the section tool user interface to create both section views and aligned section views. Complex technical drawings were made in renaissance times, such as the drawings of leonardo da vinci.
This pdf contains 24 detailed drawings of miscellaneous parts. They are created by using a cutting plane to cut the object. Sections and sectional views engineering drawing joshua. Home mechanical engineering college of science and. Engineering drawing app technical,civil,mechanical for. Discuss the cuttingplane line associated with a brokenout section, and explain how the brokenout section is drawn. A half section is a view of an object showing onehalf of the view in section, as in figure 19 and 20. Section views, commonly called sections, show internal features of parts, or assemblies, that are not easy to be shown clearly and dimensioned by the traditional orthographic views. True size of angle between a line and a plane or a plane and a plane 815 uses of auxiliary views. Let us take an civil engineering architectural example of a house drawing. Chapter 7 sectional views niu college of engineering and. Pictorial orthogonal section bb mec076 engineering drawing interpretation 1 resource package december, 1998 sectional views section aa section aa a 1 section bb y i j, f. The process is exactly like the drawings we have done in the past so. The result is called a front section, or front view in section, since it replaces the front view in the drawing.
Engineering graphics is a set of rules and guidelines that help you create an engineering drawing. The gsfc engineering drawing standards manual is the official source for the requirements and interpretations to be used in the development and presentation of engineering drawings and related documentation for the gsfc. A cuttingplane line shows where object was cut to obtain the section view. This pdf contains 24 detailed drawings of miscellaneous parts, to be used for practice with autodesk inventor or any 3d cad package for that matter. The cut line is called a cutting plane, and can be done in several ways.
New example of the metric drawings format and tolerance presentation. Standard symbols are used to help you recognize different objects. All the students and professional of civi,mechanical,electrical can use this app to learn the drawings of engineering. Objectives what are sectional views why do we draw sectional views sections and cutting plane lines hidden lines in sectional views lines. Mechanical engineering drawing concordia university. To findgenerate missing views, one should have thorough understanding of orthographic and isometric views. Road plans title sheet pi an of project sheet typical cross section sheet note sheet stage construction sheet removal sheet plan and profile sheet. The cross section looks like figure 11 when it is viewed from straight ahead. Additional notes on various topics added to note examples section. All the students and professional of civi,mechanical,electrical can use this app to. However, some are intended for specific modeling tools, and hints. As figures shown, the cutting plane is a frontal plane and appears as a line in the top view. Engineering drawing app for civil,mechanical,electrical engineers professionals.
Did you know, views are the building blocks of engineering drawings. Dept of mechanical engineering and mechanics, drexel university todays learning objectives need for sectional view contents of sectional view identifying different kinds of sectional views. Engineering drawing, orthographic projection, sectional view. What is the importance of sectioning in an engineering drawing. Fundamentals of computer aided design sectional orthographic. Some of the parts are a bit more challenging than others, but none of them are meant to be difficult.
Drawings for specialized engineering disciplines e. Jun 15, 2015 watch this video to learn about section views. The construction in figure 101 shows a cube in plan and elevation, from which an axonometric view of the cube is constructed in a direction parallel to one of its diagonals. This course is designed to provide civil engineering undergraduates with basic understanding of the theory and practice of engineering drawings. 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. An engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic, or model. The diagonal lines on the section drawing are used to indicate the area that has been theoretically cut. Section 11 general principles of dimensioning on technical drawings.
Modern engineering drawing, with its precise conventions of orthographic projection and scale, arose in france at a time when the industrial revolution was in its infancy. Cross hatching in the section view shows the solid surface of the object which were cut through to produce the section. Without different views, engineering drawings cannot exist, so understanding how views are used on drawings is a critical. Auxiliary views are often used to produce views that show the following. Sectional views are used in technical drawing to expose internal surfaces. Base views projected views sectional views auxiliary views partial views interrupted views before kicking off with the different views, it is worth a mention different types of views. Engineering drawings are complicated and require a set of rules, terms, and symbols that everyone can understand and use nothing is up for interpretation. Figure 11 sectioned isometric and orthogonal views.
The section on engineering diagrams is included to stimulate and broaden technological interest, further study, and be of value to students engaged on project work. It descnoes typical applications and minimum content requirements. These views assume that a cutting plane has removed portions of the object represented by the drawing, displaying the appropriate section of the interior. Each engineering field has its own type of engineering drawings. Jan 20, 2014 objectives what are sectional views why do we draw sectional views sections and cutting plane lines hidden lines in sectional views lines behind the cutting plane section lining practices. Identification of sections from engineering drawings. Another method of drawing a partial view is to break out much of the circular view, retaining only those features that are needed for minimum representation, as shown in fig. Objectives what are sectional views why do we draw sectional views sections and cutting plane lines hidden lines in sectional views lines behind the cutting plane section lining practices. Jan 22, 2019 sectional views reveal hidden details in a mechanical drawing. Here we are using a full section to dimension much of the object. Ce 100 civil engineering drawing sessional lab manual. The engineering technical drawings all in one app for engineers engineering drawing app for civil,mechanical,electrical engineers professionals. Create orthographic drawing you start this tutorial by drawing the top and front third angle views of the object shown on the right.
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