Machine-shop Arithmetic: Shows how All Shop Problems are Worked Out and "why"N.W. Henley Publishing Company, 1907 |
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Сторінка 43
... lathe center you use in every- day work . You can easily calculate the surface and weight of all except the point , but how shall we find that except by guess- ing at it ? The wise men of old solved that as they did much else that we ...
... lathe center you use in every- day work . You can easily calculate the surface and weight of all except the point , but how shall we find that except by guess- ing at it ? The wise men of old solved that as they did much else that we ...
Сторінка 44
... lathe center one inch in diam- eter at the base and if it is ground to 60 degrees the slant side will also be one inch . Then 1x3.1416-3.1416x2 ( % of 1 ) 1.5708 square inches surface . The volume or cubical contents equals the area of ...
... lathe center one inch in diam- eter at the base and if it is ground to 60 degrees the slant side will also be one inch . Then 1x3.1416-3.1416x2 ( % of 1 ) 1.5708 square inches surface . The volume or cubical contents equals the area of ...
Сторінка 47
... lathe and see how it is made ; see if the change gears go di- rectly on the spindle and the leading screw . If not , ascertain how many revolutions the stud which takes the first change gear makes , to one revolution of the spindle , or ...
... lathe and see how it is made ; see if the change gears go di- rectly on the spindle and the leading screw . If not , ascertain how many revolutions the stud which takes the first change gear makes , to one revolution of the spindle , or ...
Сторінка 49
... lathe . When it is known that the number of threads can be cut on the lathe , it is usually easier to proceed thus : Ascertain the number by which the teeth of the change gears increase , and multiply the assumed number of threads in ...
... lathe . When it is known that the number of threads can be cut on the lathe , it is usually easier to proceed thus : Ascertain the number by which the teeth of the change gears increase , and multiply the assumed number of threads in ...
Сторінка 51
... lathe , there is no occasion for further figuring . Practical hint : Measure the thread being cut to be sure no error has been made in calculating the gears . NOTE . A thorough understanding of Chapter XVII . is all that is necessary to ...
... lathe , there is no occasion for further figuring . Practical hint : Measure the thread being cut to be sure no error has been made in calculating the gears . NOTE . A thorough understanding of Chapter XVII . is all that is necessary to ...
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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