Scale:- the scale of the drawing. Muhammad Umair Akram 9/1/2015 MUHAMMAD UMAIR AKRAM 1 Types of Projections Engineering Drawings “It is actually the language of lines that is used to convey the concept of design of anything from designer’s mind to the manufacturer or the reader”. Step 2 Isometric drawing – step 2 • Step 2 – The angle of the inclined surface cannot be transferred directly. Compass and Divider Fig. A3: Theory of projection is the base for the background information necessary to shape representation in graphics. Know how to place circle when creating an oblique drawing. engineering drawing practice for schools 81 colleges bureau ofindianstandards manak bhavan, 9 bahadur shah zafar marg new delhi 110002 . Read also: Dimensions and Types of Dimensioning Systems Projection:- the projection … Visible Line Hidden Line Cutting-Plane Lines … Locate the corners of the inclined surface and then draw lines to connect the corners • Notice that edges that are parallel in the orthographic views will also be parallel in the isometric drawing . 11 2 Projections Used in Engineering Graphics Sections •2.1Projections •2.23-D Projections •2.3Multiview Projections •2.4Working Drawings • Key Terms Objectives • Understand the spatial relation between 3-D projections and multiview projections • Be able to differentiate isometric, trimetric, perspective, and oblique 3-D projections • Understand how multiview projections … 1.10 French Curves .2 Drawing Standards drawings from given orthographic projections of an object. Checked:- before manufacture, drawings are usually checked. A compressed handbook designed for the students of engineering disciplines for learning the basics of engineering drawing. List the advantage of oblique projection. Here we discuss the important types of projections, including their advantages and disadvantages. Two widths of lines are typically used on drawings; the thick line width should be 0.6 mm and the thin line width should be 0.3 mm. In technical Engineering drawings, each line has a definite meaning and is drawn in accordance to the line conventions as illustrated in the figure below. Draw cavalier and cabinet oblique drawings. Version:- many drawings are amended, each revision must be noted. Graphical projection has an important role in machine drawing and design. Types of projections 1. Lesson 1 Manual drafting tools for Engineering Drawing 4-13 Lesson 2 Types of scales 14-17 Lesson 3 Line and lettering 18-37 Module 2 Projections Lesson 4 Dimensioning technique 38-49 Lesson 5 Orthographic projections 50-82 Module 3 Sectional views Lesson 6 Sectional view 83-105 Lesson 7 Types of projections … Date:- the date the drawing was produced or last amended. Company name:- name of the company. Q3: What are the two fundamental methods of shape representation used in engineering drawing? Notes:- any note relevant to the drawing. Various Types of Pictorial Drawings Oblique Projection After reviewing this material, students will know how to do the following: Describe how an oblique projection is created. Selection of machine components … • Isometric drawing is important to engineering designers as the drawing shows clearly what that has been designed • It is also useful for equipment designers as they can easily interpret the method of construction of an object or equipment. 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