Machine-shop Arithmetic: Shows how All Shop Problems are Worked Out and "why"N.W. Henley Publishing Company, 1907 |
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Сторінка 63
... another case , we want a 10- inch emery wheel to run 5,000 feet per minute ; how many revolutions per minute shall it run ? S 5000 n = = = 1909+ .2618Xd .2618 × 10 Approximate revolutions may be found by multiplying speed in feet 63.
... another case , we want a 10- inch emery wheel to run 5,000 feet per minute ; how many revolutions per minute shall it run ? S 5000 n = = = 1909+ .2618Xd .2618 × 10 Approximate revolutions may be found by multiplying speed in feet 63.
Сторінка 69
... wheel would give us 10x 3.1416-31.416 inches or 2.6 feet . 5500 2.6 2108 revolutions . Working this down to an everyday basis we can say that a wheel 1757 feet in diameter ( 5500 ÷ 3.1416 ) could only re- volve once per minute to make ...
... wheel would give us 10x 3.1416-31.416 inches or 2.6 feet . 5500 2.6 2108 revolutions . Working this down to an everyday basis we can say that a wheel 1757 feet in diameter ( 5500 ÷ 3.1416 ) could only re- volve once per minute to make ...
Сторінка 70
... wheel one foot in diameter must revolve 1757 times to make 5500 feet per minute . As we speak of wheels mostly in inches however , let us reduce this to inch- es by multiplying by 12 and we have 1757 × 12 = 21084 inches . A wheel 21084 ...
... wheel one foot in diameter must revolve 1757 times to make 5500 feet per minute . As we speak of wheels mostly in inches however , let us reduce this to inch- es by multiplying by 12 and we have 1757 × 12 = 21084 inches . A wheel 21084 ...
Сторінка 71
... wheels , Hair brush wheels , 8000 66 7000 " " 66 12000 " 66 Chapter XIV . Principles of Square Root . It may - 71.
... wheels , Hair brush wheels , 8000 66 7000 " " 66 12000 " 66 Chapter XIV . Principles of Square Root . It may - 71.
Сторінка 141
... wheels - speed of 40 69 Euclid - right - angled triangle 73-74 Factoring Formulas Area of ring Explanations of Bolts and nuts Cube root Depth of threads Nuts and bolts Signs used in Square root 82858 89 20 30 57 54-55 20-31 57 20 77-82 ...
... wheels - speed of 40 69 Euclid - right - angled triangle 73-74 Factoring Formulas Area of ring Explanations of Bolts and nuts Cube root Depth of threads Nuts and bolts Signs used in Square root 82858 89 20 30 57 54-55 20-31 57 20 77-82 ...
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.