Engineer's Manual for Designers, Draughtsmen, Toolmakers, Turners, Fitters, Mechanics, Erectors, and StudentsA. T. Collins Philosophical Library, 1965 - 334 σελίδες |
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Σελίδα 85
... centres , erect a perpendicular Fu . Then with a centre on FG located at a distance from centre - line DE equal to 0.314 x C , draw a circular arc H tangent to the belt - line of the given pair of steps . The belt - line of any other ...
... centres , erect a perpendicular Fu . Then with a centre on FG located at a distance from centre - line DE equal to 0.314 x C , draw a circular arc H tangent to the belt - line of the given pair of steps . The belt - line of any other ...
Σελίδα 196
... centre and roller - chain may be of interest . Chain Wheels for Block - centre Chains . - Fig . 248 shows a wheel as used for B B block - centre chains , and the follow- ing formulæ give proportions and diameters relevant to them : dia ...
... centre and roller - chain may be of interest . Chain Wheels for Block - centre Chains . - Fig . 248 shows a wheel as used for B B block - centre chains , and the follow- ing formulæ give proportions and diameters relevant to them : dia ...
Σελίδα 197
... Centre Distances ( Two - point Drives ) N - Number of teeth in wheel . n Number of teeth in sprocket . D Distance between centres . L - Number of links in chain . P = Pitch . - Р + 2 [ 2 × D , N + n , P × ( N − n ) 2 + 40D ...
... Centre Distances ( Two - point Drives ) N - Number of teeth in wheel . n Number of teeth in sprocket . D Distance between centres . L - Number of links in chain . P = Pitch . - Р + 2 [ 2 × D , N + n , P × ( N − n ) 2 + 40D ...
Περιεχόμενα
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ENGINEERING UNITS | 7 |
INTERNATIONAL ATOMIC WEIGHTS | 14 |
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angle Avoirdupois belt Bolt calculations centimetres centre change gears Chordal circle continued fraction cosec Cross-section cubic metre cursor cylinder decimetre degrees Depth Diam dimensions divisions Drill driver error factors feet FLANGES foot formula fraction FRUSTUM FUNCTIONS OF NUMBERS gallon gauge given Groove Hardness Number heat holes horse-power indentor Kilogrammes Kilos Lead Screw length load maximum stress Maximum Tolerance Minimum measured Metric millimetres Minimum Maximum Tolerance Nominal Nomogram number of teeth Number of Threads pipe pitch diameter plating Pounds pressure pulley radians radius ratio REVOLUTIONS PER MINUTE rope SCREW THREADS shaft sine sine bar slide rule spindle Square Cube Square square inch square metre square root steam Steel surface Table Taper temperature threads per inch Tolerance Minimum Maximum TRIANGLE TRIGONOMETRICAL V-belts vernier Weight wheels Whitworth width wire worm yards