Engineering Drawing and Design (A Text-book Of): Including Practical Geometry, Plane and Solid, and Machine and Engine Drawing and Design ...C. Griffin & Company, 1900 - Machine design |
From inside the book
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Page 30
... Normals . — It is necessary to be able to draw the tangent and normal to an ellipse . A tangent to a curve is often of use as showing the direction of the curve . In an elliptical arch , the ends of the stones , or the radial members ...
... Normals . — It is necessary to be able to draw the tangent and normal to an ellipse . A tangent to a curve is often of use as showing the direction of the curve . In an elliptical arch , the ends of the stones , or the radial members ...
Page 31
... normals to the curve of the required length , and drawing the parallel curve through the ends of the normals . The ... normal to the curve , from a point in the curve and from a point outside the curve . - EX . 28. Work the following ...
... normals to the curve of the required length , and drawing the parallel curve through the ends of the normals . The ... normal to the curve , from a point in the curve and from a point outside the curve . - EX . 28. Work the following ...
Page 61
... Normal and Tangent . - A normal to an Archimedean spiral is a tangent to the circle , having the pole for a centre , and a radius equal to " the constant of the curve . ' This constant is found by dividing the difference between the ...
... Normal and Tangent . - A normal to an Archimedean spiral is a tangent to the circle , having the pole for a centre , and a radius equal to " the constant of the curve . ' This constant is found by dividing the difference between the ...
Page 62
... normal to the curve , and a line , ST , at right angles is a tangent . It is evident from the construction , that a cam shaped to the curve of the spiral would impart linear motion to a point uniform with the circular motion of the cam ...
... normal to the curve , and a line , ST , at right angles is a tangent . It is evident from the construction , that a cam shaped to the curve of the spiral would impart linear motion to a point uniform with the circular motion of the cam ...
Page 63
... normals G R and H R ' are not parallel . In designing cams for practical use it is necessary to know the diameter of the shaft or rod on which the cam is fixed , the travel , and conditions of movement , the least amount of material ...
... normals G R and H R ' are not parallel . In designing cams for practical use it is necessary to know the diameter of the shaft or rod on which the cam is fixed , the travel , and conditions of movement , the least amount of material ...
Other editions - View all
Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells No preview available - 2018 |
Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells No preview available - 2018 |
Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells No preview available - 2018 |
Common terms and phrases
Archimedean Spiral bisect Boilers BRYAN DONKIN centre CHARLES GRIFFIN circumference cone construction Crown 8vo cycloid cylinder diagonal diameter directrix distance divide divisions draw a line draw an arc draw lines Draw the plan drawn ellipse end elevation epicycloid Euclid EXAMPLES EXETER STREET figure given line ground line helix horizontal hyperbola hypocycloid Illustrations intersection involute isometric projection J. J. THOMSON line A B lines parallel major axis mark meeting method minor axis normal number of equal oblong obtain parabola perpendicular pitch circle plan and elevation plane inclined planes of projection polygon position practical PROBLEM PROF projectors radius represent revolution rhombus right angles rolling circles scale section plane semicircle set square shown side solid geometry STEAM straight line STRAND stripes student surface tangent teeth Text-Book tion triangle trochoid true shape vertical plane wheels
Popular passages
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