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 12
Сторінка 26
... desired factor can be obtained . Taking the area of the circle next we learn that the diameter squared ( multip- lied by itself ) and multiplied by the con- stant number .7854 gives the area . The area of a cylinder 12 inches in ...
... desired factor can be obtained . Taking the area of the circle next we learn that the diameter squared ( multip- lied by itself ) and multiplied by the con- stant number .7854 gives the area . The area of a cylinder 12 inches in ...
Сторінка 48
... desired to be cut , and the assumed number of threads per inch of the leading screw , and divide the larger by the smaller to get the ratio . This ratio must exist between the gears to be used , therefore : Select any gear and multiply ...
... desired to be cut , and the assumed number of threads per inch of the leading screw , and divide the larger by the smaller to get the ratio . This ratio must exist between the gears to be used , therefore : Select any gear and multiply ...
Сторінка 49
... desired to be cut 14. Then ratio = 1 = 14 . [ Re- duce all fractions to lowest terms . ] In order to select two gears , one of which has 14 times as many teeth as the other , it is evident that the other gear must have some number of ...
... desired to be cut 14. Then ratio = 1 = 14 . [ Re- duce all fractions to lowest terms . ] In order to select two gears , one of which has 14 times as many teeth as the other , it is evident that the other gear must have some number of ...
Сторінка 50
... desired to be cut is finer than the assumed number of threads of leading screw , put the smaller gear on the spindle . When fractional threads are desired to be cut , multiply both the fractional number and the assumed number of threads ...
... desired to be cut is finer than the assumed number of threads of leading screw , put the smaller gear on the spindle . When fractional threads are desired to be cut , multiply both the fractional number and the assumed number of threads ...
Сторінка 51
... desired to be cut = 534 . screw = 8 . Assumed number of threads of leading Then 534 × 4 = 23 ; 8x4 = 32 and 32-23 = 12 % , the ratio required , or , if there are change gears of 23 and 32 teeth with the lathe , there is no occasion for ...
... desired to be cut = 534 . screw = 8 . Assumed number of threads of leading Then 534 × 4 = 23 ; 8x4 = 32 and 32-23 = 12 % , the ratio required , or , if there are change gears of 23 and 32 teeth with the lathe , there is no occasion for ...
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.