MechanismLongmans, Green, and Company, 1905 - 408 страници |
Между кориците на книгата
Резултати 1 - 5 от 44.
Страница 43
... tooth . If the screw on the worm be double - threaded , each turn of the worm will cause the wheel to turn through two B DO FIG . 55 . teeth , since the same thread gears only with alternate teeth of the wheel , and so on . By means of ...
... tooth . If the screw on the worm be double - threaded , each turn of the worm will cause the wheel to turn through two B DO FIG . 55 . teeth , since the same thread gears only with alternate teeth of the wheel , and so on . By means of ...
Страница 45
... tooth in , say , A gear as seldom as possible with the same tooth in C ; or , what is the same thing , to make one tooth in A gear with as many different teeth in C as possible . To find how many revolutions A has to make before any ...
... tooth in , say , A gear as seldom as possible with the same tooth in C ; or , what is the same thing , to make one tooth in A gear with as many different teeth in C as possible . To find how many revolutions A has to make before any ...
Страница 46
... tooth is frequently termed a hunting cog . It cannot be used in clocks or in screw - cutting lathes , except in the case of an idle wheel , because the value of the train must be exact . A train of wheels , such as that described ...
... tooth is frequently termed a hunting cog . It cannot be used in clocks or in screw - cutting lathes , except in the case of an idle wheel , because the value of the train must be exact . A train of wheels , such as that described ...
Страница 104
... tooth , and the height of the tooth is such that , between the interval of coming into contact with a tooth of the second wheel and of escaping from contact with that tooth , it just pushes the second wheel through a distance equal to ...
... tooth , and the height of the tooth is such that , between the interval of coming into contact with a tooth of the second wheel and of escaping from contact with that tooth , it just pushes the second wheel through a distance equal to ...
Страница 105
Stanley Dunkerley. revolution , the tooth on it will come into contact with the next tooth of the second wheel , and will again push the second wheel through a distance equal to the pitch , the second wheel , in the mean time , remaining ...
Stanley Dunkerley. revolution , the tooth on it will come into contact with the next tooth of the second wheel , and will again push the second wheel through a distance equal to the pitch , the second wheel , in the mean time , remaining ...
Други издания - Преглед на всички
Често срещани думи и фрази
actuating addendum circle angle angular velocity angular-velocity ratio arc of approach attached axis B.Sc belt bevel wheel block centripetal acceleration circular arc common normal connecting rod connecting-rod coupler crank arm crank pin crank radius crank shaft crosshead Crown 8vo curve cutter cutting cycloidal cylinder described diameter direction displacement distance draw driving ELEMENTARY ellipse engine equal equivalent crank fixed centre gear horizontal Illustrations intersect involute keyed kinematic lathe leading screw length lever line of centres line of stroke machine mandrel mean position meshes move number of teeth obliquity obtained oscillating P₁ P₁A P₂ parallel motion perpendicular pinion piston pitch circle pitch point plane pulley rack radii reciprocating piece relative represent the velocity revolution revolutions per minute roller rolling circle shape shown in Fig sliding slot spindle spur wheel straight line tool tooth trace transmitted turning pairs valve velocity diagram velocity ratio vertical whilst worm wheel
Популярни откъси
Страница 41 - NOTES of a COURSE of SEVEN LECTURES On ELECTRICAL PHENOMENA and THEORIES, delivered at the Royal Institution AD 1870.
Страница 41 - Vol. I.— The Constitution of Nature— Radiation— On Radiant Heat in Relation to the Colour and Chemical Constitution of Bodies — New Chemical Reactions produced by Light — On Dust and Disease — Voyage to Algeria to observe the Eclipse — Niagara — The Parallel Roads of Glen Roy — Alpine Sculpture — Recent Experiments on FogSignals—On the Study of Physics— On Crystalline and Slaty Cleavage— On Paramagnetic and Diamagnetic Forces — Physical Basis of Solar Chemistry...
Страница 26 - Our Place among Infinities: A Series of Essays contrasting our Little Abode in Space and Time with the Infinities Around us.
Страница 26 - HALF-HOURS WITH THE STARS : a Plain and Easy Guide to the Knowledge of the Constellations. Showing in 12 Maps the position oi the principal Star-Groups night after night throughout the year. With Introduction and a separate Explanation of each Map. True for every Year.
Страница 26 - NEW STAR ATLAS FOR THE LIBRARY, the School, and the Observatory, in Twelve Circular Maps (with Two Index-Plates).
Страница 41 - Notes of a Course of Nine Lectures on Light, delivered at the Royal Institution. , By John Tyndall, FRS Crown 8vo. is. sewed, or is. 6d. cloth. Notes of a Course of Seven Lectures on Electrical Phenomena and Theories, delivered at the Royal Institution.
Страница 20 - THE THEORY OF STRESSES IN GIRDERS AND SIMILAR STRUCTURES; with Practical Observations on the Strength and other Properties of Materials. By BINDON B. STONEY, LL.D., FRS, MICE With 5 Plates and 143 Illust.
Страница 41 - Medallist of 1871— Death by Lightning — Science and the Spirits, Vol. II. — Reflections on Prayer and Natural Law — Miracles and Special Providences — On Prayer as a Form of Physical Energy — Vitality— Matter and Force — Scientific...
Страница 22 - WORKSHOP APPLIANCES, including Descriptions of some of the Gauging and Measuring Instruments, Hand-cutting Tools, Lathes, Drilling, Planeing, and other Machine Tools used by Engineers. By CPB SHELLEY, MICE With an additional Chapter on Milling by R. R. LISTER. With 323 Illustrations. Fcp. 8vo., y. MINERALOGY, MINING, METALLURGY, ETC. by HILARY BAUERMAN, FGS SYSTEMATIC MINERALOGY.
Страница 36 - A TREATISE ON THE DISEASES OF THE DOG ; being a Manual of Canine Pathology. Especially adapted for the use of Veterinary Practitioners and Students. With 88 Illustrations.