 | 1859 - 488 σελίδες
...firmly in the investment. We now take scraps of Platina wide enough to reach a little more than half the distance from the centre of one tooth to the centre of the next, and bend the foot of this lining at right angles about one sixteenth of an inch, splitting the part... | |
 | Natural philosophy - 1859 - 112 σελίδες
...projections of the teeth, are the pitch circles. The pitch of the teeth of a wheel is the distance, AB, from the centre of one tooth to the centre of the next, measured upon the pitch circle ; and it is evident that for two wheels to work together, the pitch... | |
 | John Bourne (C. E.) - 1868 - 602 σελίδες
...than 300; the diameter is expressed in terms of the pitch of the teeth, measured on a straight line from the centre of one tooth, to the centre of the next adjacent tooth. The first column expresses the number of teeth in the wheel, and the second column... | |
 | Edward Tomkins - 1873 - 170 σελίδες
...teeth), A has 24, and В 18 teeth, 1^" pitch. The pitch is the distance, measured along the pitch circle, from the centre of one tooth to the centre of the next tooth. In fig. 101 the dotted circle marked t represents the top, and that marked b the bottom of the... | |
 | Chambers W. and R., ltd - 1874 - 848 σελίδες
...projections of the teeth, are the pitch circles. The pitch of the teeth of a wheel is the distance, AB, from the centre of one tooth to the centre of the next, measured upon the pitch circle ; and it is evident that for two wheels to work together, the pitch... | |
 | William Cawthorne Unwin - 1877 - 352 σελίδες
...between the number of teeth and the radius of the wheel. — The distance measured along the pitch line, from the centre of one tooth to the centre of the next, is termed the pitch of the wheel. Ordinarily the pitch ranges from i^ in. to 4 ins., but sometimes... | |
 | Edward Tomkins - 1878 - 376 σελίδες
...diametral pitch. 235. The Circular Pitch of a tooth is the distance, measured along the pitch line, from the centre of one tooth to the centre of the next ; if the pitch line is a straight line, as in the case of a straight rack, the pitch is the distance,... | |
 | David Allan Low - 1888 - 136 σελίδες
...a toothed wheel, and is rather nearer the points of the teeth than the roots. Pitch of Teeth.—The distance from the centre of one tooth to the centre of the next, or from the front of one to the front of the next, measured at the pitch circle, is called the pitch... | |
 | William Cawthorne Unwin - 1890 - 482 σελίδες
...diameter of the wheel. Circular and diametral pitch. — The distance measured along the pitch line from the centre of one tooth to the centre of the next tooth is thepttch or circular pitch. A length which is the same fraction of the diameter as the pitch... | |
 | Andrew Jamieson - 1892 - 300 σελίδες
...surfaces and the pitch circles of such toothed rollers, toothed wheels, or spur wheel and pinion, are the surfaces and the circles of their rolling contact.*...the corresponding edge of its neighbouring one, as measured on the pitch circle, is termed the pitch of the teeth of a wheel. Let D = Diameter of a wheel... | |
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The linear or the circular distance from the centre of one tooth to the centre of the next... 
