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" It is worthy of mention that two opposite radial grooves were found to act better than three or four or any other number. t The true leverage of the chain is the actual leverage divided by the distance from the centre of the shaft to the centre of frictional... "
A Text-book on Applied Mechanics: Specially Arranged for the Use of Science ... - Сторінка 93
автори: Andrew Jamieson - 1895
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The Practical Engineer: A Treatise on the Subject of Modeling, Constructing ...

John Wallace - 1865 - 432 стор.
...centre of the shaft. There is also a circle described on the centre of the shaft, with a radius equal to the distance from the centre of the shaft to the centre of the crank wrist. Now. it will be seen, that the time occupied by the piston in the last half of its...
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The Model Dockyard Handy-book

Joseph Lawrence - 1867 - 64 стор.
...to one edge for the crank pin. The stroke of the piston being one inch, the throw of the crank, or the distance from the centre of the shaft to the centre of the crank pin, must be 5 inch. It may be taken as a rule that the throw of the crank is always equal...
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Elements of Machine Construction and Drawing: Or, Machine Drawing ..., Том 1

Samuel Edward Warren - 1870 - 376 стор.
...the two or more pillow-blocks on the same shaft into line ; or, in case of a steam engine, to adjust the distance from the centre of the shaft to the centre of the cylinder. The pillow-block shown in the figure, being for a 14" horizontal shaft, the bearings,...
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Steam Using: Or, Steam Engine Practice

Charles Augustus Smith - 1885 - 326 стор.
...of the steam to each end of tho cylinder. By curvFIG. ing the link to nn arc with a radius equal to the distance from the centre of the shaft to the centre of the slider when the valve is placed in its central position on its seat, this action is removed. In...
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Slide Valve Gears: An Explanation of the Action and Construction of Plain ...

Frederick Arthur Halsey - 1890 - 178 стор.
...the centre of the shaft to the centre of the crank pin, and similarly the "throw" of an eccentric is the distance from the centre of the shaft to the centre of the eccentric disc. Usually the centre of the disc is within the circumference of the shaft; but this...
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Slide Valve Gears: An Explanation of the Action and Construction of Plain ...

Frederick Arthur Halsey - 1894 - 180 стор.
...shaft came within the circumference of the pin, the result would be an eccentric. The arm of a crank is the distance from the centre of the shaft to the centre of the cranjc pin, and similarly the " throw" of an eccentric is the distance from the centre of the shaft...
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The Designing of Draw-spans

Charles Herbert Wright - 1897 - 124 стор.
...pressure from the worm-nut in its guides. This is equal to 75 X 60 -7- 8 = 562.5 Ibs. (Eight inches being the distance from the centre of the shaft to the centre of bearing of the nut on its guides.) Forces causing friction on the bearings are then 120 + 45 + 562.5...
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The Designing of Draw-spans. [In Two Parts]: Plate-girder draws. Riveted ...

Charles Herbert Wright - 1897 - 140 стор.
...pressure from the worm-nut in its guides. This is equal to 75 X 60 -T- 8 = 562.5 Ibs. (Eight inches being the distance from the centre of the shaft to the centre of bearing of the nut on its guides.) Forces causing friction on the bearings are then 120 + 45 + 562.5...
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Slide Valve Gears: An Explanation of the Action and Construction of Plain ...

Frederick Arthur Halsey - 1898 - 252 стор.
...shaft came within the circumference of the pin, the result would be an eccentric. The arm of a crank is the distance from the centre of the shaft to the centre of the crank pin, and similarly the " throw" of an eccentric is the distance from the centre of the shaft...
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A Text-book of Applied Mechanics and Mechanical Engineering, Том 1

Andrew Jamieson - 1903 - 584 стор.
...from •0196 with a load of 20 Ibs. per square inch at 50 revolutions per minute it fell to .0107 • It is worthy of mention that two opposite radial grooves...to be 1 inch from the centre of the shaft, we have : — FRICTION OF A PIVOT BEARING. at 353 revolutions per minute with the same load ; and from ,0221...
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