A Manual of Machinery and Millwork |
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Page 40
... side , and G E and HF on the farther side of the cylinder . 63. Development of a Linear Screw . - The development of any figure drawn on a curved surface consists in supposing the surface to be a flexible sheet , and drawing the ...
... side , and G E and HF on the farther side of the cylinder . 63. Development of a Linear Screw . - The development of any figure drawn on a curved surface consists in supposing the surface to be a flexible sheet , and drawing the ...
Page 57
... following description applies to both divisions . of the figure : it being observed that at the left - hand side the letters are accented : - Let T be the trace of the instantaneous axis , CURVATURE OF ROLLED CURVES . 57.
... following description applies to both divisions . of the figure : it being observed that at the left - hand side the letters are accented : - Let T be the trace of the instantaneous axis , CURVATURE OF ROLLED CURVES . 57.
Page 64
... sides and diagonal of a parallelogram , which are parallel respectively to the three axes of rotation . In fig . 50 the upper right - hand part of the figure represents a plane perpendicular to the resultant axis of rotation , O " . F ...
... sides and diagonal of a parallelogram , which are parallel respectively to the three axes of rotation . In fig . 50 the upper right - hand part of the figure represents a plane perpendicular to the resultant axis of rotation , O " . F ...
Page 66
... sides and diagonal of a paral- lelogram similar to OBCA ; and therefore that the velocity of D " due to the actual rotation about OC is the resultant of the velocities due to the rotations about OA and O B , the angular velocities being ...
... sides and diagonal of a paral- lelogram similar to OBCA ; and therefore that the velocity of D " due to the actual rotation about OC is the resultant of the velocities due to the rotations about OA and O B , the angular velocities being ...
Page 75
... side is shortened and the convex side lengthened , still the variations of length of the centre line of the band are , or ought to be , practically inappreciable . In order that the figure and motion of a band may be deter- mined from ...
... side is shortened and the convex side lengthened , still the variations of length of the centre line of the band are , or ought to be , practically inappreciable . In order that the figure and motion of a band may be deter- mined from ...
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Common terms and phrases
acting angle angle of repose angular velocity approximately Article axes axle band beam bending bending moment body breadth cast iron circle circular arc co-efficient component crank cross-section curve cutting cylinder denote diameter direction distance dynamometer ellipse epicycloidal epitrochoid equal equation exerted factor of safety figure fixed force friction gear given greatest instant instantaneous axis kilogrammes length lever line of centres line of connection load machine means modulus moment of inertia motion moving pieces multiply normal obliquity pair parallel perpendicular piston pitch pitch-circle pitch-line pitch-point pitch-surface plane of projection position pressure principles produced proportional pulley radii radius radius of gyration ratio represent resistance resultant rolling rotation rules screw shaft shearing shearing stress sliding square inch straight line strength stress stroke surface teeth tenacity tension tooth trace train train-arm transverse traversing valve velocity-ratio weight wheel
Popular passages
Page 31 - TRAVERSE TABLES: Computed to Four Places of Decimals for every Minute of Angle up to 100 of Distance. For the Use of Surveyors and Engineers. BY RICHARD LLOYD GURDEN, Authorised Surveyor for the Governments of New South Wales and Victoria, *»* Published with the Concurrence oj the Surveyors- General for New South Wales and Victoria. "Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book.
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