A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing. The four basic steps for creating an isometric drawing are. Engineering drawing practices types and application of engineering drawings. Conversion of isometric views to orthographic views. Figure the basic reference system for isometric drawings. The lines parallel to these axes are called isometric lines. Autocad does not draw elliptical arcs but it does draw complete ellipses and we.
Welcome to the department of mechanical engineering, part of the college of science and engineering, serving the state and nation as a leading center of education, research, and innovation. The isometric projection of an object on a vertical plane of projection by placing the object in such a way that its three perpendicular edges make equal inclinations with the plane of projection. Engineering drawing for engineering trades of 1 year and 2 year and procedure of drawing sketching different exercise for further practice are also avaliable. Hence, engineering drawing is called the universal language of engineers. Civil engineering drawing university of asia pacific. Therefore, engineering drawings must be correctly drawn. Draw the isometric views of grids, transferring measurement from. At latest count, the department has 43 active faculty, 56 staff members, 311 graduate students, 50 postdoctoral associates, research associates and visitors. The three lines al, ad and ah, meeting at point a and making 1200 angles with each other are termed isometric axes. Identify the three main projection divisions in freehand engineering sketches and drawings. Standard engineering drawing and related documentation practices asme. Home mechanical engineering college of science and. This poster presents the importance of the isometric, a brief history, the isometric drawing method and the applications of isometric in engineering field.
Engineering drawing and related documentation practices types and applications of engineering drawings asme y14. A short series of lectures on engineering drawing as part of engg1960. Engineering graphics are essential documents for product development as well as for. Isometric projections and isometric view or drawing. Orthographic views are shown in third angle projection. Drawing views depend on the type of documentation required, and annotation. Examples of an assembly drawing and a subassembly drawing are in the appendix. Engineering drawing is a two dimensional representation of three dimensional. Textbook of engineering drawing, second edition xfiles. Read pdf isometric engineering drawing isometric engineering drawing isometric projection isometric view engineering drawing 2014 may paper q6 b draw the isometric view of the given views. This may be varied according to the position that the draftsman feels best shows the object. Main contributors of engineering drawing lecture slides.
When a solid is resting in its simple position, the front or top view, taken separately, gives an incomplete idea of the form of the object. Normally, an isometric drawing is positioned so that the front, top, and right side views appear, as shown in figure 37 on the following page. Auxiliary views leaches the student to use auxiliary planes of projection to show the. Pdf is moreover one of the windows to reach and contact the world. To find the length of the edges in the isometric projection.
P, the front view or the top view or sometimes both, give an air idea of the pictorial form of the object, i. The engineering drawing common to all engineering trades is one of the book developed by. Calculate the equivalent length of pipe fittings, total length of the pipe, velocity head, head. Dimensional values are transferable from orthographic views only to the axis, or lines parallel to the axis, of isometric drawings. Section 17 drawing practice for isometric projection.
An engineering drawing is a technical not artistic drawing which. According to bs en iso 7200, a standard title block should have a maximum length of. The fluid flow is 75,000 lbh and its physical properties are viscosity. Exercise for further practice the practice exercise is given with theory and procedure for semester 1 book made obsolete as it was felt that.
Section 11 general principles of dimensioning on technical drawings. Determine the isometric viewpoint that clearly depicts the features of the object, then draw the isometric axes which will produce that view point. Isometric drawings and isometric views isometric drawing intro isometric view created from orthographic views create an isometric. When lines are drawn parallel to isometric axes, the lengths are foreshortened to. An engineering drawing is a type of technical drawing that is used to convey information about an object. Isometrirdrawing explains how, to make isometric drawings and how to. The noun or noun phrase shall be used in singular form, except for items such as tongs, gloves, fuses. Other parties may have an interest in design collaboration, procurement purchasing, costing, manufacturing, quality control, marketing, handling packaging. The planes representing the faces of of the cube as well as. Construct isometric planes, using the overall width w, isometric views for solids height h, and depth d of the object, such that the.
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