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 |
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Seite 69
... Rolling Curves . - There are three principal curves of this class , each being generated by a fixed point on the circumference of a circle , rolling in contact with a fixed line or circle in the same plane . These curves are all used in ...
... Rolling Curves . - There are three principal curves of this class , each being generated by a fixed point on the circumference of a circle , rolling in contact with a fixed line or circle in the same plane . These curves are all used in ...
Seite 71
... rolling curves the normal at any point passes through the corresponding point of contact of the generating circle with the directing line or circle . The tangent is at right angles to the normal . To draw a tangent and normal at any ...
... rolling curves the normal at any point passes through the corresponding point of contact of the generating circle with the directing line or circle . The tangent is at right angles to the normal . To draw a tangent and normal at any ...
Seite 74
... rolling and directing circles . Then MO is a normal , and TR at right angles a tangent . The evolutes are the curves PR , RQ , drawn tangent to the normals of the curve as before . They are similar curves to the original curve , PS Q ...
... rolling and directing circles . Then MO is a normal , and TR at right angles a tangent . The evolutes are the curves PR , RQ , drawn tangent to the normals of the curve as before . They are similar curves to the original curve , PS Q ...
Seite 76
... rolling or generating circle of infinite radius . The involute has also the properties of an archimedean spiral , and if used as a cam would impart linear motion to a point uniform with the circular movement of the cam . EX . 13 ...
... rolling or generating circle of infinite radius . The involute has also the properties of an archimedean spiral , and if used as a cam would impart linear motion to a point uniform with the circular movement of the cam . EX . 13 ...
Seite 79
... rolling circles of the same radius . The size of rolling circles used in drawing the curves for wheel teeth do not bear any fixed ratio to the size of the wheels , and vary with different makers . The size adopted in any particular case ...
... rolling circles of the same radius . The size of rolling circles used in drawing the curves for wheel teeth do not bear any fixed ratio to the size of the wheels , and vary with different makers . The size adopted in any particular case ...
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Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells Keine Leseprobe verfügbar - 2018 |
Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells Keine Leseprobe verfügbar - 2018 |
Engineering Drawing and Design (a Text-Book Of): Including Practical ... Sidney Herbert Wells Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
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
Beliebte Passagen
Seite 43 - A MANUAL OF MARINE ENGINEERING: COMPRISING THE DESIGNING, CONSTRUCTION, AND WORKING OF MARINE MACHINERY.
Seite 36 - CONTENTS. — I. Manufacture of Cast Iron, Wrought Iron, and Steel. — Composition of Iron and Steel, Quality, Strength, Tests, &c. II. Classification of Steel Ships. III. Considerations in making choice of Type of Vessel. — Framing of Ships. IV. Strains experienced by Ships. — Methods of Computing and Comparing Strengths of Ships. V. Construction of Ships. — Alternative Modes of Construction. — Types of Vessels. — Turret, Self Trimming, and Trunk Steamers, &c. — Rivets and Rivetting,...
Seite 37 - KnOW Your Own Ship : A Simple Explanation of the Stability, Construction, Tonnage, and Freeboard of Ships. By THOS. WALTON, Naval Architect.
Seite 22 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Seite 39 - Navigation, Theoretical and Practical." With numerous Plates, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book. SUMMARY OF CONTENTS.
Seite 33 - ... Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book. The computations enable the user to ascertain the sines and cosines for a distance of twelve miles to within half an inch, and this BY REFERENCE TO BUT ONE TABLE, in place ot the usual Fifteen minute computations required.
Seite 40 - CONTENTS. — Resolution and Composition of Forces — Work done by Machines and Living Agents — The Mechanical Powers: The Lever; Derricks as Bent Levers — The Wheel and Axle : Windlass ; Ship's Capstan ; Crab Winch— Tackles : the "Old Man"— The Inclined Plane; the Screw— The Centre of Gravity of a Ship and Cargo — Relative Strength of Rope : Steel Wire, Manilla, Hemp, Coir — Derricks and Shears— Calculation of the Cross-breaking Strain of Fir Spar — Centre of Effort of Sails —...
Seite 33 - INTRODUCTION. — Tool Grinding. — Emery Wheels. — Mounting Emery Wheels. — Emery Rings and Cylinders. — Conditions to Ensure Efficient Working. — Leading Types of Machines. — Concave and Convex Grinding. — Cup and Cone Machines. — Multiple Grinding. — ' ' Guest " Universal and Cutter Grinding Machines.
Seite 46 - Review of the Cement Industry — The Early Days of Portland Cement — Composition of Portland Cement — PROCESSES OF MANUFACTURE — The Washmill and the Backs — Flue and Chamber Drying Processes — Calcination of the Cement Mixture — Grinding of the Cement — Composition of Mortar and Concrete — CEMENT TESTING — CHEMICAL ANALYSIS of Portland Cement, Lime, and Raw Materials — Employment of Slags for Cement Making — • Scott's Cement, Selenitic Cement, and Cements produced from Sewage...
Seite 50 - SECOND EDITION, Revised. In Crown 8vo. Handsome Cloth. Profusely Illustrated. 8s. 6d. net. SANITARY ENGINEERING: A Practical Manual of Town Drainage and Sewage and Refuse Disposal. For Sanitary Authorities, Engineers, Inspectors, Architects, Contractors, and Students. BY FRANCIS WOOD, AMlNsr.CE, FGS, Borough Engineer and Surveyor, Fulham ; late Borough Engineer, Bacup, Lanes.