MechanismLongmans, Green, and Company, 1905 - 408 страници |
Между кориците на книгата
Резултати 1 - 5 от 33.
Страница 37
... wheels have external con- tact , and their direction of rotation is opposite to one another ; if the wheels have internal contact ( Fig . 47 ) , the wheels rotate in the same direction . § 32. Bevel Wheels . Mitre Wheels . If the axes ...
... wheels have external con- tact , and their direction of rotation is opposite to one another ; if the wheels have internal contact ( Fig . 47 ) , the wheels rotate in the same direction . § 32. Bevel Wheels . Mitre Wheels . If the axes ...
Страница 39
... bevel wheels , the angles of the cones forming the bevel wheels . may be anything . In particular , the angle for one of the cones may be 180 ° , in which case the cone becomes a flat disc . The remaining cone is then called a crown wheel ...
... bevel wheels , the angles of the cones forming the bevel wheels . may be anything . In particular , the angle for one of the cones may be 180 ° , in which case the cone becomes a flat disc . The remaining cone is then called a crown wheel ...
Страница 40
... wheels , the pitch surfaces are cylinders and the pitch lines circles , as shown by the broken circular lines in Fig . 52 ; in bevel wheels , the pitch surfaces are frusta of two cones and the pitch lines circles . In toothed wheels ...
... wheels , the pitch surfaces are cylinders and the pitch lines circles , as shown by the broken circular lines in Fig . 52 ; in bevel wheels , the pitch surfaces are frusta of two cones and the pitch lines circles . In toothed wheels ...
Страница 43
... wheel a very slow motion of the wheel can be obtained . § 38. Trains of Wheels . Compound Wheels . Value of Train . The pair of wheels so far considered constitute a chain con- sisting of three pairs . Spur wheels , bevel wheels , and worm ...
... wheel a very slow motion of the wheel can be obtained . § 38. Trains of Wheels . Compound Wheels . Value of Train . The pair of wheels so far considered constitute a chain con- sisting of three pairs . Spur wheels , bevel wheels , and worm ...
Страница 46
... bevel wheels , racks , screws , or worms . ILLUSTRATIONS OF MECHANISMS CONSISTING OF GEARING AND BELTING . Having ... wheel of 20 teeth keyed to it . This gears with a wheel of 24 teeth , on the spindle of which is a single - threaded ...
... bevel wheels , racks , screws , or worms . ILLUSTRATIONS OF MECHANISMS CONSISTING OF GEARING AND BELTING . Having ... wheel of 20 teeth keyed to it . This gears with a wheel of 24 teeth , on the spindle of which is a single - threaded ...
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.