Machine-shop Arithmetic: Shows how All Shop Problems are Worked Out and "why"N.W. Henley Publishing Company, 1907 |
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Результати 1-5 із 14
Сторінка 47
... Change Gears for Screw Cutting . ( For explanation of principle on which these rules are founded , see Chapter XVII ... gear makes , to one revolution of the spindle , or how many revolutions the stud that takes the last change gear ...
... Change Gears for Screw Cutting . ( For explanation of principle on which these rules are founded , see Chapter XVII ... gear makes , to one revolution of the spindle , or how many revolutions the stud that takes the last change gear ...
Сторінка 48
... change gear = 2 , and number of revolu- tions of stud that takes the last change gear to one revolution of leading screw = 2 . Then 4x2x2 = 16 , the assumea number of threads per inch in leading screw . Then take the number of threads ...
... change gear = 2 , and number of revolu- tions of stud that takes the last change gear to one revolution of leading screw = 2 . Then 4x2x2 = 16 , the assumea number of threads per inch in leading screw . Then take the number of threads ...
Сторінка 49
... gear . The ratio will usually come in the form of a mixed number . Example : Assumed number of threads per inch in ... change gear with the lathe , with a number of teeth which can be divided by 7 , the number of threads per inch desired ...
... gear . The ratio will usually come in the form of a mixed number . Example : Assumed number of threads per inch in ... change gear with the lathe , with a number of teeth which can be divided by 7 , the number of threads per inch desired ...
Сторінка 50
... change gears increase = 4 . Assumed number of threads in lead- ing screw = 8 . = 7 . Number of threads desired to be cut Then 4x7 = 28 4x8 = 32 the two gears required . If these two gears are not in the set , multiply both by any number ...
... change gears increase = 4 . Assumed number of threads in lead- ing screw = 8 . = 7 . Number of threads desired to be cut Then 4x7 = 28 4x8 = 32 the two gears required . If these two gears are not in the set , multiply both by any number ...
Сторінка 101
... change gear directly on the spindle ; the three others use a separate shaft for the first change gear , and in each case this shaft is so fixed with permanent gearing that it revolves only one - half as fast as the spindle ; a rule then ...
... change gear directly on the spindle ; the three others use a separate shaft for the first change gear , and in each case this shaft is so fixed with permanent gearing that it revolves only one - half as fast as the spindle ; a rule then ...
Загальні терміни та фрази
50 cents answer arithmetic assumed number bolt calculation Centimeters Chapter ciphers circumference COLVIN cube root cubic inches cutter decimal places decimal point Diam dividend dividing divisor drill driving electrical equal EQUIVALENTS evidently feet per minute figure formula four threads fractions fully illustrated Gallons gas engines gives handy hole Huron stone hypothenuse inches in diameter Kilograms last change gear lathe lathe center leading screw Liquefaction of Gases Liters locomotive machine mechanic metal Meters metric system Millimeters milling cutter Milling Machine Modern multi number of teeth number of threads pebbles pipe pounds practical treatise principle pulley quantity ratio result revolutions per minute rule screw cutting shaft shows side speed spindle square inches square root steam steel stud that takes subtract taps tens number threads desired threads in leading threads per inch tion triangle twice units weight wheel whole numbers
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Сторінка 113 - The metre, which is assumed to be one ten-millionth part of the distance from the equator to the pole, is, in fact, 39J inches, or 39.37 inches, in length.