Henley's Encyclopædia of Practical Engineering and Allied Trades: A Practical and Indispensable Work of Reference for the Mechanical Engineer, Designer, Draftsman, Shop Superintendent, Foreman and Machinist ...Joseph Gregory Horner N.W. Henley Publishing Company, 1907 |
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Página 2
... cast iron , and then wrought iron and steel ; a file which still works satisfactorily on wrought iron will not cut brass rapidly enough . Oil or chalk are used on files to make them finish rather more smoothly , and to diminish ...
... cast iron , and then wrought iron and steel ; a file which still works satisfactorily on wrought iron will not cut brass rapidly enough . Oil or chalk are used on files to make them finish rather more smoothly , and to diminish ...
Página 4
... cast separately , Fig . 6 , A , and laid loosely on their bearers , so that burnt C A Fig . 6. - Fire - Bars . and twisted bars can be readily replaced . Some- times they are cast in sets of three or more , B , being simply a repetition ...
... cast separately , Fig . 6 , A , and laid loosely on their bearers , so that burnt C A Fig . 6. - Fire - Bars . and twisted bars can be readily replaced . Some- times they are cast in sets of three or more , B , being simply a repetition ...
Página 5
... cast , and they need only be used where there is some risk of fracture occurring . The quality of cast iron for bars should be hard , nearly white , which may be obtained by remelting inferior scrap . Grey iron burns away too quickly ...
... cast , and they need only be used where there is some risk of fracture occurring . The quality of cast iron for bars should be hard , nearly white , which may be obtained by remelting inferior scrap . Grey iron burns away too quickly ...
Página 8
... cast iron , and lagged , the slide - valves being situated in a central steam chest . The pumps are of gun - metal , cast with the crankshaft bearings , and connected to the cylinders with turned steel stays . They are double - acting ...
... cast iron , and lagged , the slide - valves being situated in a central steam chest . The pumps are of gun - metal , cast with the crankshaft bearings , and connected to the cylinders with turned steel stays . They are double - acting ...
Página 9
... Cast iron seldom gets hot enough to bend , but it often cracks under the application of cold water in a fire . Stone cracks also when subjected to great heat . The best fire - resisting materials are brick - work , including fire ...
... Cast iron seldom gets hot enough to bend , but it often cracks under the application of cold water in a fire . Stone cracks also when subjected to great heat . The best fire - resisting materials are brick - work , including fire ...
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Términos y frases comunes
angle belt blast block boiler bolts bottom carbon cast iron cent centre combustion crane curved cutters cutting cycloidal cylinder diameter drill driving edges electric employed engine face Fahr fire fitted flanges flues force forging frame friction fuel furnace gases gauge gears grinding grinding machines hammer headstock heat high-speed steel holes horizontal hydraulic inch joint joists Lancashire boilers lathe latter lead screw length lever lifting liquid load loam lubrication machine magnet metal metric system milling milling cutters milling machines motor mould moulding box operated oxygen pattern pieces pinion pipe piston pitch plane plate pressure produced pulley pump radius ring riveted rotated screw shaft shown side slide speed spindle square steam steel surface teeth temperature thick tion tube turning valve vary vertical weight wheels worm
Pasajes populares
Página 7 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by forces to change that state.
Página 116 - ... directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Página 199 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.
Página 200 - The moment of a force about any point is the product of the magnitude of the force and the perpendicular distance from the point to the line of action of the force.
Página 34 - If three forces acting at a point are in equilibrium they can be represented in magnitude and direction by the three sides of a triangle taken in order.
Página 34 - If any number of forces acting at a point can be represented in magnitude and direction by the sides of a POLYGON taken in order, they are in equilibrium.
Página 116 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Página 228 - Troy of wheat, taken from the middle of the ear, and well dried, should make one gallon of Wine measure, and 8 such gallons make a bushel.
Página 199 - Inertia of a surface about an axis through its center of gravity und perpendicular to the surface is the sum of the products obtained by multiplying each elementary area by the square of its distance from the center of gravity of...
Página 170 - All the world and his wife have been shown exactly how the " artist " dresses and undresses ; we feel that the sum of human knowledge has been appreciably augmented. But on the principle that you cannot have too much of a good thing, Zaza does it all, or nearly all, over again. Having combed her hair in Act I., she combs it once more in Act IV., and offers you a further piece of minute realism by removing the loose ends of hair from the comb and throwing them out of the window. Then she dusts the...