enlargement and reduction in technical drawing

hartinger August 15, 2022 drawing , enlargement , technical , wallpaper Comment

WEEK 11Revision and Examination. Reduction and enlargement of plane figures to reduce plane figure by lengths of sides using the polar method.

Enlarge Or Reduce Shapes Printable Math Worksheets Math Worksheets Worksheets

Enlargement scale Full scale drawings show the actual size of an object.

. Arcs touching internally Apply the principles of tangency to constructing objects with arcs lines and circles. This is projected perpendicular to the cutting plan. Engineering drawing 1 by MAParker and FPickup.

Beginning at R. Technical drawing by JN. Explain and demonstrate procedure step by step.

Enlarging and Reducing Shapes 11 Solving a Mystery An Introduction to Similarity Similarities Differences Scale Drawings-Image - with page 11 with 2 P a g e 12 Scaling. Equal area of figures. Technical drawing also known as drafting or draughting is the act and discipline of composing plans that visually communicate how something functions or has to be constructed.

Project from the cutting plane to get the cut section in the sectional plan. In this lesson a quadrilateral will be reduced and enlarged. Handle the given ratio 21 as enlargement and not reduction.

Construct tangents of arcs. Start with the plan of the pyramid before projecting up to the elevation. Let a - b - c be the moulding and a - b the required thickness and a - c the required width.

Various drawing instruments and materials Setting. Demonstrate the procedure for constructing oblique drawing 2. If the object is either too small or too large to draw full scale the designer scales it up or down.

GEOMETRICAL DRAWING CHAPTER 1. Drawing using scales of 12. Enlargement and reduction of plane figures and similar plane figures.

These constructions are practical only if the figure which has to be enlarged or reduced has straight sides. Equal area of figures. - How to construct plane figure.

GEOMETRY ENLARGEMENT AND REDUCTION 1. Enlargement and reduction of figures. Draw the given moulding and also a - b and a - c of the required moulding.

Scales Drawing www. Technical drawings are drawn to scale so that engineers architects and builders can create the objects in the drawing to exact specifications. Two equal and unequal circles.

This construction works equally well for reducing the size of a plane figureFig. 51 101 Angle construction and bisection. View Chapter1_Enlargement Reductionppt from AUTOMATION bmfa at Technical University of Malaysia Melaka.

Project from the cutting plane to get the cut section in the sectional plan. Draw the sides of the larger figure parallel to the sides of the original smaller figure. 10 -Sep-21 To draw an enlarged or reduced drawing for various shapes.

Explain the principles and applications of tangency. Com Enlargement Reduction Learning Intention 1. 72 shows an irregular hexagon reduced to 49 its original size.

Take measurement from plan to draw the true shape. Enlargement and reduction of plain figures. To be able to draw scaled drawing of a shape either an enlargement or reduction.

In this video I will demonstrate step by step how to REDUCE and ENLARGE a Plane Figure. Construction and use of plain and diagonal scales. Enlarging and reducing drawings 41 Figure 137 Enlargement in width and thickness Figure 138 shows how a moulding can be increased in width as well as in thickness.

Enlargement and reduction of plain figures. A point on the circumference of a circle. Arcs touching externally b.

Pantographs

Enlarged Image Reduction Compass Inv 655