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Projection of lines step by step process
A line AB is given with end A at 15mm above the HP and 20mm in front of the VP, and end B at 50mm above the HP and 75mm in front of the VP. The distance between the end projectors is 50mm. The projections and true shape of the line are to be drawn, and its true length and true inclinations with the principal planes are to be found.
Projection of lines
The document discusses the orthographic projections of straight lines. It defines five basic cases of lines: vertical, parallel to both planes, inclined to one plane and parallel to the other, inclined to both planes. It provides pictorial representations of each case and notes about front and top views. The document then presents several example problems demonstrating how to draw the projections of a line given information like its true length, angles of inclination, and positions of its ends. Diagrams illustrate the key steps and parameters involved in the problems.
Projection of lines(new)
A line AB is given with information about the positions of ends A and B relative to the principal planes and their distances. The task is to draw the projections of the line and determine its true length and true inclinations to the two principal planes. Additional information may be given such as true length, inclinations, traces etc. Relevant projections are to be drawn and missing information like inclinations are to be calculated.
Projection of Plane Step by step Process
The document provides instructions to draw the projections of a regular hexagon with sides of 25mm that is oriented in the given position in space. The hexagon has one side in the horizontal plane and inclined at 60 degrees to the vertical plane, with its surface making an angle of 45 degrees to the horizontal plane. The steps include drawing the hexagon, front view, top view rotated to show the inclined side, and using projectors to obtain the inclined side view.
Projection of-point-and-lines-engineering
Projection of-point-and-lines-engineering with full description.
its use full for engineering students.
Lesson 2-lines-ii
This document discusses methods for projecting straight lines that are inclined to both the horizontal and vertical planes. It describes the rotating line method, which involves 4 steps: 1) drawing the front view with the line parallel to the vertical plane, 2) drawing the top view with the line parallel to the horizontal plane, 3) drawing the locus of the other end of the line, and 4) rotating the views to the required position along the locus. The rotating trapezoidal plane method uses trapezoidal planes containing the line and its projections to determine the true length and inclinations. Special cases and tips for solving problems are also provided.
Projection of Lines Engineering drawing
The document contains descriptions of two lines with given dimensions and positions in space. It asks to draw the projections of the lines onto the horizontal and vertical planes and find the true inclinations of the lines relative to these planes. For the first line, it is 80 mm long with one end 10 mm above and 15 mm in front of the reference planes. The second line is 85 mm long with one end 25 mm above and 20 mm in front of the planes, and its projections onto the planes have given lengths.
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Projection of lines step by step process
A line AB is given with end A at 15mm above the HP and 20mm in front of the VP, and end B at 50mm above the HP and 75mm in front of the VP. The distance between the end projectors is 50mm. The projections and true shape of the line are to be drawn, and its true length and true inclinations with the principal planes are to be found.
Projection of lines
The document discusses the orthographic projections of straight lines. It defines five basic cases of lines: vertical, parallel to both planes, inclined to one plane and parallel to the other, inclined to both planes. It provides pictorial representations of each case and notes about front and top views. The document then presents several example problems demonstrating how to draw the projections of a line given information like its true length, angles of inclination, and positions of its ends. Diagrams illustrate the key steps and parameters involved in the problems.
Projection of lines(new)
A line AB is given with information about the positions of ends A and B relative to the principal planes and their distances. The task is to draw the projections of the line and determine its true length and true inclinations to the two principal planes. Additional information may be given such as true length, inclinations, traces etc. Relevant projections are to be drawn and missing information like inclinations are to be calculated.
Projection of Plane Step by step Process
The document provides instructions to draw the projections of a regular hexagon with sides of 25mm that is oriented in the given position in space. The hexagon has one side in the horizontal plane and inclined at 60 degrees to the vertical plane, with its surface making an angle of 45 degrees to the horizontal plane. The steps include drawing the hexagon, front view, top view rotated to show the inclined side, and using projectors to obtain the inclined side view.
Projection of-point-and-lines-engineering
Projection of-point-and-lines-engineering with full description.
its use full for engineering students.
Lesson 2-lines-ii
This document discusses methods for projecting straight lines that are inclined to both the horizontal and vertical planes. It describes the rotating line method, which involves 4 steps: 1) drawing the front view with the line parallel to the vertical plane, 2) drawing the top view with the line parallel to the horizontal plane, 3) drawing the locus of the other end of the line, and 4) rotating the views to the required position along the locus. The rotating trapezoidal plane method uses trapezoidal planes containing the line and its projections to determine the true length and inclinations. Special cases and tips for solving problems are also provided.
Projection of Lines Engineering drawing
The document contains descriptions of two lines with given dimensions and positions in space. It asks to draw the projections of the lines onto the horizontal and vertical planes and find the true inclinations of the lines relative to these planes. For the first line, it is 80 mm long with one end 10 mm above and 15 mm in front of the reference planes. The second line is 85 mm long with one end 25 mm above and 20 mm in front of the planes, and its projections onto the planes have given lengths.
Lesson 2 Projections of Straight Lines - Part II
Projections of a Straight line kept inclined to both HP and VP. Rotating line method and Rotating Trapezoidal Method
Projection of Lines
The document discusses the concepts and methods of projecting lines in engineering graphics. It defines key terms used in line projections such as true length, front view length, top view length, end projector distance, and inclinations. It presents different categories of line positions with respect to reference planes and provides examples of each with their orthographic projections. The document also contains several example problems demonstrating how to draw the projections of lines given information about their lengths, positions of endpoints, and inclinations to the planes. It describes the process for locating the horizontal and vertical traces of a line when given its projections.
Ellipse by general method
The document provides instructions for drawing the projections of a regular hexagon where one corner is located in the horizontal plane (HP) and the surface of the hexagon is inclined at 45 degrees to the HP. It specifies that the hexagon has a side length of 40mm and the top view of the diagonal through the corner in the HP makes an angle of 60 degrees with the vertical plane (VP). It also provides the necessary visualizations of the orientations and angles.
Projection of lines
This document provides instructions for an assignment in engineering graphics. It outlines 5 problems to complete for the assignment involving different types of projections of lines, including:
1. Finding the angle of inclination for problems involving a pentagon, square, and rectangle.
2. Problems from the university questions involving finding the angle of inclination for a circle and hexagon.
3. An overview of the different types of projections involving lines in various orientations to the horizontal and vertical planes. There are 7 different types described involving finding lengths, angles of inclination, loci of points, and distances of lines.
6.projection of-point-and-lines-engineering108.com
This document provides information about orthographic projections of points and lines. It begins by defining common notations used, such as labeling different views in projections. It then discusses the placement of points and lines in different quadrants and how this affects their front, top, and side views. Various examples are given of projecting points and lines that are inclined at different angles to the horizontal and vertical planes. The document also discusses determining true lengths and angles from apparent views. Traces of lines, where they intersect the planes, are defined. In all, it presents the key concepts and problem-solving process for orthographic projections of basic geometric elements.
Projectionofpointsandlines (1)
This document provides lecture notes on orthographic projections of points and lines. It begins by outlining the key information needed to draw projections, including the object, observer, and object location. It then discusses the four quadrants formed by the horizontal and vertical planes and how an object's placement affects its front and top views. Various examples of point and line projections are shown, including the effects of an object's placement in different quadrants. Key concepts like true length, front, top, and side views are defined. The document concludes with example problems demonstrating how to draw orthographic projections of lines given information like lengths, angles and end point positions.
Ellipsebygenmethod(thedirectdata[1].com)
The document contains instructions to draw the projections of a regular hexagon where one corner is located in the horizontal plane (HP) and the surface of the hexagon is inclined at 45 degrees to the HP. The top view shows the diagonal through the corner in the HP makes an angle of 60 degrees to the vertical plane (VP).
Engineering garphics projection of lines
The document provides information on orthographic projections including:
- Key terms used in orthographic projections like object, observer, location of object, and quadrants.
- Notations used to label different views of an object.
- Examples of orthographic projections of a point located in different quadrants.
- Basic concepts for drawing projections of a point and straight lines in different orientations.
- Steps to draw projections when given information about the true length, inclinations, and positions of a line.
Projection of Plane-engineering drawing
1. The document discusses the process of projecting plane figures in 3D space onto 2D planes.
2. It explains that plane figures are defined by their position relative to horizontal and vertical reference planes, through angles of inclination of surfaces and edges.
3. The procedure for solving projection problems is outlined as a 3-step process: 1) assume an initial position and draw front and top views, 2) project the inclined surface, 3) project the inclined edge or side.
New lesson 1 points and lines - i
This document provides an overview of projections of points and lines in engineering drawings. It discusses the principles of projection and defines projection planes. It then demonstrates how to project and draw the top and front views of points and lines in different positions and orientations relative to the projection planes. Examples are given of drawing the projections of points and lines, including marking the traces. Tips are provided for solving problems involving projecting inclined lines. The document recommends reference books on engineering graphics and drawing.
Line inclined to both HP and VP
https://youtu.be/_qVROgZ9CVs
A line AB is 75 mm long A is 50 mm in front of VP and 15 mm above in front of VP and is above HP Top View of AB is 50 mm long Draw and measure the Front View. Find the true inclinations.
Eg2 n
1. Orthographic projection is a method of projection where the projectors are perpendicular to the projection plane. This produces projections that maintain accurate dimensions and angular relationships.
2. Projections of objects are not drawn in the second and fourth quadrants to avoid confusion and overlapping of views.
3. Auxiliary planes are any planes other than the horizontal and vertical planes. They are classified as auxiliary vertical planes and auxiliary inclined planes.
Engineering Graphics Free hand sketching
The document discusses the first angle projection method for creating orthographic views from a pictorial representation of an object. It provides instructions for sketching the front, top, and side views using freehand drawing. The key steps are to first sketch the outline of each view, then add visible lines and circles, followed by hidden lines and circles, and finally darkening all lines to create the finished orthographic projections from the pictorial presentation.
Engineering graphics 1 Regular
1. The problem provides data about two points A and B of a line AB, including their front and top view angles and the position of B above the horizontal plane.
2. The solution involves drawing the projections of the points A and B, determining the true length (TL) of the line AB, and locating its traces by extending the projections.
3. Key steps include drawing the projections at the given angles, extending lines to find the true length and true inclinations, and drawing the horizontal and vertical traces.
Engineering graphics 1 phase-iii_2013
The document provides instructions for drawing the projections of a 65 mm line AB inclined at 40° to the horizontal plane and 35° to the vertical plane. It involves drawing the projections of point A located 15 mm in front of the vertical plane. Then, the projections of the line are drawn based on its inclinations and the traces are located by extending the projections and drawing projectors.
Projection of planes 003
The document outlines a 3-step procedure for solving problems involving inclined planes and surfaces:
1) Draw the front and top views assuming the surface is parallel to the reference plane.
2) Draw second front and top views considering the surface's true inclination.
3) Draw final front and top views accounting for any side/edge inclinations.
Initial positions should assume surfaces parallel to either the horizontal or vertical plane.
References to previous illustrations provide examples of applying each step.
Engineering graphics 1 phase-i_2013_second
1. The problem involves drawing the projections of a line PQ where point P lies on the horizontal plane and point Q is 50 mm above the HP and 80 mm in front of the vertical plane. The line is inclined at an angle of 40 degrees to the vertical plane.
2. The elevation of the line measures 78 mm. The true length of the line and the inclination of the line to the horizontal plane must be found. The traces of the line must also be located.
3. The steps involve drawing the projections, locating the points P' and Q', drawing the inclined line using the given angle, measuring the true length and inclination angle, and determining the traces.
Projection of Pentagonal Pyramid solid
The document provides instructions for drawing the projections of a pentagonal pyramid with a base size of 30mm and axis length of 60mm. The pyramid rests on its base side on the horizontal plane (HP) with one triangular face perpendicular to both the vertical plane (VP) and HP and its axis parallel to VP. The top and front views of the pyramid are drawn showing the necessary points marked and joined to illustrate the projections.
11.orthographic projection-1-engineering108.com
This document discusses orthographic projection techniques used in technical drawings. It explains that orthographic projections use parallel lines of sight perpendicular to projection planes to create multiview or axonometric drawings. Multiview drawings accurately show object shape and size through front, top, and side views while axonometric drawings show all three dimensions in one view but distort angles and sizes. The document provides details on different projection planes, lines and styles, dimensioning, tolerancing, and guidelines for creating orthographic projections.
Projection of straight lines I.pdf
1) The document discusses orthographic projections of points, lines, and planes. It provides notation for different views, such as front view (FV) and top view (TV).
2) Key concepts covered include locating an object relative to horizontal and vertical planes using quadrants, and drawing the FV and TV based on the object's location. Examples are given for points located in different quadrants.
3) Projections of straight lines are also discussed, including lines parallel or inclined to the planes. True length, reduced length, and inclinations of views are important parameters.
4) Several example problems are provided to demonstrate how to draw orthographic projections of points and lines in different configurations. Steps are
Unit 1 Projection of straight lines I.pdf
1) The document discusses orthographic projections of points, lines, and planes. It provides notation for different views, such as front view (FV) and top view (TV).
2) Key concepts covered include locating an object relative to horizontal and vertical planes using quadrants, and drawing the FV and TV based on the object's location. Examples are given for points located in different quadrants.
3) Projections of straight lines are also discussed, including lines parallel or inclined to the planes. True length, reduced length, and inclinations of views are important parameters.
4) Several example problems are provided to demonstrate how to draw orthographic projections of points and lines in different configurations. Steps are
Projection of-point-and-lines-engineering108.com
The document provides information on orthographic projections of points and lines. It defines front view (FV), top view (TV), and notations used to represent different views. It then demonstrates how to determine the projections of a point placed in different quadrants. Next, it discusses the projections of straight lines in different orientations and illustrates cases where the line is perpendicular, parallel, or inclined to the planes. The document also covers determining the true length, traces (intersections of a line with reference planes), and using the given views to find angles and unknown dimensions. Examples of different projection problems are provided along with step-by-step solutions.
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Lesson 2 Projections of Straight Lines - Part II
Projections of a Straight line kept inclined to both HP and VP. Rotating line method and Rotating Trapezoidal Method
Projection of Lines
The document discusses the concepts and methods of projecting lines in engineering graphics. It defines key terms used in line projections such as true length, front view length, top view length, end projector distance, and inclinations. It presents different categories of line positions with respect to reference planes and provides examples of each with their orthographic projections. The document also contains several example problems demonstrating how to draw the projections of lines given information about their lengths, positions of endpoints, and inclinations to the planes. It describes the process for locating the horizontal and vertical traces of a line when given its projections.
Ellipse by general method
The document provides instructions for drawing the projections of a regular hexagon where one corner is located in the horizontal plane (HP) and the surface of the hexagon is inclined at 45 degrees to the HP. It specifies that the hexagon has a side length of 40mm and the top view of the diagonal through the corner in the HP makes an angle of 60 degrees with the vertical plane (VP). It also provides the necessary visualizations of the orientations and angles.
Projection of lines
This document provides instructions for an assignment in engineering graphics. It outlines 5 problems to complete for the assignment involving different types of projections of lines, including:
1. Finding the angle of inclination for problems involving a pentagon, square, and rectangle.
2. Problems from the university questions involving finding the angle of inclination for a circle and hexagon.
3. An overview of the different types of projections involving lines in various orientations to the horizontal and vertical planes. There are 7 different types described involving finding lengths, angles of inclination, loci of points, and distances of lines.
6.projection of-point-and-lines-engineering108.com
This document provides information about orthographic projections of points and lines. It begins by defining common notations used, such as labeling different views in projections. It then discusses the placement of points and lines in different quadrants and how this affects their front, top, and side views. Various examples are given of projecting points and lines that are inclined at different angles to the horizontal and vertical planes. The document also discusses determining true lengths and angles from apparent views. Traces of lines, where they intersect the planes, are defined. In all, it presents the key concepts and problem-solving process for orthographic projections of basic geometric elements.
Projectionofpointsandlines (1)
This document provides lecture notes on orthographic projections of points and lines. It begins by outlining the key information needed to draw projections, including the object, observer, and object location. It then discusses the four quadrants formed by the horizontal and vertical planes and how an object's placement affects its front and top views. Various examples of point and line projections are shown, including the effects of an object's placement in different quadrants. Key concepts like true length, front, top, and side views are defined. The document concludes with example problems demonstrating how to draw orthographic projections of lines given information like lengths, angles and end point positions.
Ellipsebygenmethod(thedirectdata[1].com)
The document contains instructions to draw the projections of a regular hexagon where one corner is located in the horizontal plane (HP) and the surface of the hexagon is inclined at 45 degrees to the HP. The top view shows the diagonal through the corner in the HP makes an angle of 60 degrees to the vertical plane (VP).
Engineering garphics projection of lines
The document provides information on orthographic projections including:
- Key terms used in orthographic projections like object, observer, location of object, and quadrants.
- Notations used to label different views of an object.
- Examples of orthographic projections of a point located in different quadrants.
- Basic concepts for drawing projections of a point and straight lines in different orientations.
- Steps to draw projections when given information about the true length, inclinations, and positions of a line.
Projection of Plane-engineering drawing
1. The document discusses the process of projecting plane figures in 3D space onto 2D planes.
2. It explains that plane figures are defined by their position relative to horizontal and vertical reference planes, through angles of inclination of surfaces and edges.
3. The procedure for solving projection problems is outlined as a 3-step process: 1) assume an initial position and draw front and top views, 2) project the inclined surface, 3) project the inclined edge or side.
New lesson 1 points and lines - i
This document provides an overview of projections of points and lines in engineering drawings. It discusses the principles of projection and defines projection planes. It then demonstrates how to project and draw the top and front views of points and lines in different positions and orientations relative to the projection planes. Examples are given of drawing the projections of points and lines, including marking the traces. Tips are provided for solving problems involving projecting inclined lines. The document recommends reference books on engineering graphics and drawing.
Line inclined to both HP and VP
https://youtu.be/_qVROgZ9CVs
A line AB is 75 mm long A is 50 mm in front of VP and 15 mm above in front of VP and is above HP Top View of AB is 50 mm long Draw and measure the Front View. Find the true inclinations.
Eg2 n
1. Orthographic projection is a method of projection where the projectors are perpendicular to the projection plane. This produces projections that maintain accurate dimensions and angular relationships.
2. Projections of objects are not drawn in the second and fourth quadrants to avoid confusion and overlapping of views.
3. Auxiliary planes are any planes other than the horizontal and vertical planes. They are classified as auxiliary vertical planes and auxiliary inclined planes.
Engineering Graphics Free hand sketching
The document discusses the first angle projection method for creating orthographic views from a pictorial representation of an object. It provides instructions for sketching the front, top, and side views using freehand drawing. The key steps are to first sketch the outline of each view, then add visible lines and circles, followed by hidden lines and circles, and finally darkening all lines to create the finished orthographic projections from the pictorial presentation.
Engineering graphics 1 Regular
1. The problem provides data about two points A and B of a line AB, including their front and top view angles and the position of B above the horizontal plane.
2. The solution involves drawing the projections of the points A and B, determining the true length (TL) of the line AB, and locating its traces by extending the projections.
3. Key steps include drawing the projections at the given angles, extending lines to find the true length and true inclinations, and drawing the horizontal and vertical traces.
Engineering graphics 1 phase-iii_2013
The document provides instructions for drawing the projections of a 65 mm line AB inclined at 40° to the horizontal plane and 35° to the vertical plane. It involves drawing the projections of point A located 15 mm in front of the vertical plane. Then, the projections of the line are drawn based on its inclinations and the traces are located by extending the projections and drawing projectors.
Projection of planes 003
The document outlines a 3-step procedure for solving problems involving inclined planes and surfaces:
1) Draw the front and top views assuming the surface is parallel to the reference plane.
2) Draw second front and top views considering the surface's true inclination.
3) Draw final front and top views accounting for any side/edge inclinations.
Initial positions should assume surfaces parallel to either the horizontal or vertical plane.
References to previous illustrations provide examples of applying each step.
Engineering graphics 1 phase-i_2013_second
1. The problem involves drawing the projections of a line PQ where point P lies on the horizontal plane and point Q is 50 mm above the HP and 80 mm in front of the vertical plane. The line is inclined at an angle of 40 degrees to the vertical plane.
2. The elevation of the line measures 78 mm. The true length of the line and the inclination of the line to the horizontal plane must be found. The traces of the line must also be located.
3. The steps involve drawing the projections, locating the points P' and Q', drawing the inclined line using the given angle, measuring the true length and inclination angle, and determining the traces.
Projection of Pentagonal Pyramid solid
The document provides instructions for drawing the projections of a pentagonal pyramid with a base size of 30mm and axis length of 60mm. The pyramid rests on its base side on the horizontal plane (HP) with one triangular face perpendicular to both the vertical plane (VP) and HP and its axis parallel to VP. The top and front views of the pyramid are drawn showing the necessary points marked and joined to illustrate the projections.
11.orthographic projection-1-engineering108.com
This document discusses orthographic projection techniques used in technical drawings. It explains that orthographic projections use parallel lines of sight perpendicular to projection planes to create multiview or axonometric drawings. Multiview drawings accurately show object shape and size through front, top, and side views while axonometric drawings show all three dimensions in one view but distort angles and sizes. The document provides details on different projection planes, lines and styles, dimensioning, tolerancing, and guidelines for creating orthographic projections.
Mais procurados (19)
6.projection of-point-and-lines-engineering108.com
6.projection of-point-and-lines-engineering108.com
Semelhante a Projection of planar surfacE
Projection of straight lines I.pdf
1) The document discusses orthographic projections of points, lines, and planes. It provides notation for different views, such as front view (FV) and top view (TV).
2) Key concepts covered include locating an object relative to horizontal and vertical planes using quadrants, and drawing the FV and TV based on the object's location. Examples are given for points located in different quadrants.
3) Projections of straight lines are also discussed, including lines parallel or inclined to the planes. True length, reduced length, and inclinations of views are important parameters.
4) Several example problems are provided to demonstrate how to draw orthographic projections of points and lines in different configurations. Steps are
Unit 1 Projection of straight lines I.pdf
1) The document discusses orthographic projections of points, lines, and planes. It provides notation for different views, such as front view (FV) and top view (TV).
2) Key concepts covered include locating an object relative to horizontal and vertical planes using quadrants, and drawing the FV and TV based on the object's location. Examples are given for points located in different quadrants.
3) Projections of straight lines are also discussed, including lines parallel or inclined to the planes. True length, reduced length, and inclinations of views are important parameters.
4) Several example problems are provided to demonstrate how to draw orthographic projections of points and lines in different configurations. Steps are
Projection of-point-and-lines-engineering108.com
The document provides information on orthographic projections of points and lines. It defines front view (FV), top view (TV), and notations used to represent different views. It then demonstrates how to determine the projections of a point placed in different quadrants. Next, it discusses the projections of straight lines in different orientations and illustrates cases where the line is perpendicular, parallel, or inclined to the planes. The document also covers determining the true length, traces (intersections of a line with reference planes), and using the given views to find angles and unknown dimensions. Examples of different projection problems are provided along with step-by-step solutions.
projection of solid
1) The document describes various geometric solids and their projections including prisms, pyramids, cylinders, cones, and frustums.
2) It provides examples of different solids placed in various positions and orientations and outlines the step-by-step process to draw their projections.
3) The examples illustrate how to draw projections when axes of solids are inclined to the planes of projection at various angles and when parts of solids intersect projection planes.
PROJECTION OF LINES.ppt
The document provides instructions for drawing orthographic projections of points, lines, and solids. It defines key terms like object, observer, horizontal and vertical planes. Points and lines can be placed in four quadrants defined by the horizontal and vertical planes. Front, top, and side views are drawn by projecting the object onto the respective planes. Examples are given of drawing the projections of points and lines in different orientations, as well as procedures for determining true lengths and angles from the projected views.
Engineering Graphics-Lines
This document discusses the principles of engineering graphics related to projecting straight lines in orthographic projections. It begins by defining the different types of lines such as vertical, horizontal, and inclined lines. It then provides examples of how to determine the front view, top view, and true length of a line given information about its inclination to the planes and the positions of its ends. The document emphasizes that the front and top views of a line inclined to both planes will have reduced lengths. It concludes by discussing the special case of a line lying in a profile plane, where the front and top views will overlap on the same projector line.
TRACES OF LINES IN SPACE USING ORTHOGRAPHIC PROJECTION
The document provides instructions for drawing orthographic projections of points, lines, planes and solids. It defines key terms and concepts used in orthographic projections including object, observer, horizontal and vertical planes, quadrants, front, top and side views. Notations for different views are also defined. Several examples are provided to illustrate how to draw orthographic projections of a point and straight lines placed in different quadrants, and how to determine true lengths, angles and views based on given information about the object. Steps to solve related problems are demonstrated.
TRACES OF LINES IN SPACE USING ORTHOGRAPHIC PROJECTION
The document provides instructions for drawing orthographic projections of points, lines, planes and solids. It defines key terms and concepts used in orthographic projections including object, observer, horizontal and vertical planes, quadrants, front, top and side views. Notations for different views are also defined. Several examples are provided to illustrate how to draw orthographic projections of a point and straight lines placed in different quadrants, and how to determine true lengths, angles and views based on given information about the object. Steps to solve related problems are demonstrated.
Projections of lines modified.ppt
This document provides information and examples regarding the orthographic projections of points and lines. It begins by defining key terminology and notation used in orthographic projections. It then discusses the projections of a single point located in different quadrants and orientations relative to the horizontal and vertical planes. Next, it examines simple cases of projecting straight lines in different orientations. Examples are provided to demonstrate how to determine the front, top, and side views of a line given information about its length, orientation, and the position of its ends. The document concludes by discussing traces of lines where they intersect the horizontal and vertical planes.
5. projection of lines
This is Mechnicial Engineering's subjrct technicial drawing slides
topic name is Projection of lines.
this would help you in how you draw front side and top view of a line.
Eg 2
The document provides instructions for drawing orthographic projections of points, lines, planes and solids. It defines key terms and concepts needed such as quadrants, front view (FV), top view (TV), horizontal plane (HP) and vertical plane (VP). Examples are given of drawing the projections of a point and straight lines in different positions, including when they are inclined to the HP and/or VP. Methods are outlined for determining true length, angles and orientations based on the given views. Notations and a diagram of relationships between important parameters are also explained.
Orthographic projection EG
The document provides instructions for drawing orthographic projections of points and lines. It defines key terms and concepts used in orthographic projections including quadrants, front view (FV), top view (TV), horizontal plane (HP), and vertical plane (VP). Examples are given of drawing the projections of a point located in different quadrants, as well as different types of lines, such as vertical, parallel, and inclined lines. Guidelines are provided for determining the FV and TV based on whether the object is above or below the HP and in front of or behind the VP. Methods for finding true lengths, angles, and orientations are also described when only FV and TV are given.
Lect 1.point
The document provides instructions for drawing orthographic projections of points and lines. It defines key terms and concepts used in orthographic projections including quadrants, front view (FV), top view (TV), horizontal plane (HP), and vertical plane (VP). Examples are given of drawing the projections of a point located in different quadrants, as well as different types of lines, such as vertical, parallel, and inclined lines. Guidelines are provided for determining the FV and TV based on whether the object is above or below the HP and in front of or behind the VP. Methods for finding true lengths, angles, and orientations are also described when only FV and TV are given.
Projectionoflines(thedirectdata[1].com)
This document provides instructions for drawing orthographic projections of points, lines, planes and solids. It explains key concepts like quadrants, front view (FV), top view (TV), true length, inclination angles and more. Examples are given of drawing projections of a point and various types of lines (vertical, parallel, inclined) placed in different quadrants. The document establishes important parameters and notation for solving projection problems, including true length, angles of inclination, view lengths and positions of endpoints. Sample problems are worked through applying these concepts and parameters to draw projections when given information like dimensions, inclinations and endpoint positions.
Projection of lines with problems
This document provides instructions for drawing orthographic projections of points, lines, planes and solids. It explains key concepts like quadrants, front view (FV), top view (TV), true length, inclination angles and more. Examples are given of drawing projections of a point and various types of lines (vertical, parallel, inclined) placed in different quadrants. The document establishes important parameters and notation for solving projection problems, including true length, angles of inclination, view lengths and positions of endpoints. Sample problems are worked through applying these concepts and parameters to draw projections when given information like dimensions, inclinations and endpoint positions.
Projection-of-Point-and-lines-engineering108.com (1).ppt
This document provides information on orthographic projections and the projection of points and lines. It begins by outlining important notations used in orthographic projections. It then discusses the projection of points located in different quadrants and the simple cases of projecting lines, including vertical lines, lines parallel to planes, and inclined lines. The document also covers projections where the true length, views, or inclinations are known or unknown. It defines important parameters and diagrams the relationships between true length, views, and angles. Finally, it discusses problems involving the traces of lines on planes.
Projection-of-Point-and-lines-engineering108.com.ppt
This document provides information on orthographic projections including:
1. Notations used for different views of points and lines in orthographic projections. Front, top, and side views are denoted with primes.
2. Key concepts like quadrants, true length, line inclinations, and traces (points where a line intersects the planes) are explained.
3. Examples are given of projecting points and lines in different positions in relation to the planes. Projections are shown of lines that are vertical, parallel, or inclined to the planes.
4. Ten important parameters are defined for describing lines, including true length, view angles, lengths of front and top views, and positions of ends. Graphical
Projection of lines
Download the original presentation for animation and clear understanding. This Presentation describes the concepts of Engineering Drawing of VTU Syllabus. However same can also be used for learning drawing concepts. Please write to me for suggestions and criticisms here: hareeshang@gmail.com or visit this website for more details: www.hareeshang.wikifoundry.com.
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The document provides instructions for drawing orthographic projections of points, lines, and solids. It defines key terms like object, observer, horizontal and vertical planes. Points and lines can be placed in four quadrants defined by the horizontal and vertical planes. Front, top and side views are drawn by placing the views in the same plane for the observer. Examples are given of drawing the projections of a point and various orientations of lines, including determining true lengths and inclinations from the given views. Notations and procedures for determining views, true lengths, and angles are defined.
Ortho grapic. engineering graphic ppt
The document provides instructions for drawing orthographic projections of points, lines, planes, and solids. It defines key terms like object, observer, horizontal plane, vertical plane, and quadrants. It explains how to draw front, top, and side views of an object placed in different quadrants. Examples are given of drawing orthographic projections of a point and straight lines in different orientations. The relationships between true length, front and top views, and angles of inclination are demonstrated through examples. Notations and steps for solving various projection problems are outlined.
Semelhante a Projection of planar surfacE (20)
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Projection of planar surfacE
- 1. G.H.RAISONI COLLEGE OF ENGINEERING, NAGPUR Department of First Year Engineering Second Semester B.E: Summer 2016 Presentation on Topic of PPT:- Projection Of Planar Surface By Subject: Engineering Graphics
- 2. Q NO.1 line AB 200 mm long has its end A 75mm above HP and 50 mm in front of VP. Endpoint B is in 1st quadrant. The line isparallel to HP and makes an inclination of 40’ to VP. Draw the projection of straight line AB . Obtain HT and VT. Solution:- stage-1 1. draw XY line ,which represents FV region and TV of VP in TV region. 2. locate FV a’75mm above XY line as point A is 75 mm above HP. 3. locate TV a 50mm below Xyline as point A is 50mm in front of VP. 4. draw a line of 200 mm length parallel to HP and VP . Both the views show true length. stage-2 5.rotate the TL in TV to make an inclination of 40’to VP. 6. project B to obtain the FV of B as a’b’ represents an apparent length(AL). Stage-3 7.extend the TV of line AB to meet XY line . 8.note the intersection point of extended line and XY line as v as v lies on xy line. 9.draw the projector line passing through point v. 10.extend the FV of line AB (a’b’) to meet the projector line passing through v. 11.note the intersection point of extended line and projector line as VT (or v’). 12.there is no HT as the line is parallel to HP.
- 4. Ques 2. A pentagonal plate of negligible thickness and having edge length 100 mm is resting on one 0f its sides on VP . The plate is inclined 40° to VP nd the resting sides makes an inclination of 50° to HP. Draw projections of the plate. Solution: 1.In the FV region , draw a pentagon of 100 mm side ,with line joining one corner to the center o og the pentagon parallel to the xy line. Name the cornerr as a’,b’,c’,d’ and e’. 2.Project all the five points on the xy line as the plate in the stage 1 is lying on VP and obtain a line view a,b-c,e-d of the plate coinciding with the xy line. 3.In the stage 2, copy the line view of stage 1 and place it on the xy line . Rotate the line view about the corner point d through a given inclination of 40°. 4.Project all the four points from the TV of stage 2 to the FV of the stage2 . Project all the four points from the FV of stage 1 to the FV of stage 2. 5.Join the respective intersecting points of the projectors lines to obtain the the final projection points a’,b’,c’,d’ and e,.we get a reduced shape of the pentagon. 6.Copy the reduced shape of the pentagonal plate from FV region of stage 2 and place it in the FV region of stage 2. 7.Rotate the copied view about b’ so that the resting side a’b’ makes 50° to HP. 8.Project all the five points from the FV of the stage 3 to the TV of stage 3. project all the five points from the TV of stage 2 to the TV of stage 3 . 9.Join the respective intersecting points of the projector lines to obtain the final projection points a,b,c,d and e and obtain an irregular pentagonal shape.