Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact
Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact
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In our eReader you can find the full English version of the book. Read Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact
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This is corrected by the cambering rolls, which stretch the head to the length necessary to compensate for its greater shrinkage, and leave the rail straight after it has cooled.
The cambering machine is somewhat similar in action to a roller rail-curving machine; it generally consists of two horizontal rolls bearing on the web of the rail, with vertical rolls bearing on the head. The vertical rolls have a screw-motion, and by regu- lating the pressure imparted by the vertical rolls (which will... depend upon the section of rail being rolled and the temperature at which it reaches the cambering machine), the amount of curve or sweep put in the hot rail is just sufficient to produce a rail that is straight, or nearly so, when cold.
The differences in form and area between head and base of rail, makes the rails tend to cool high or low unless they are cambered as above; no diffi- culty is encountered in having the rails cool straight, or nearly so, in line.
This is a very important detail of the rail manu- facturing process, because the straighter the rails when they leave the cooling beds the less the work required on them at the cold-straightening presses, and consequently less danger of rupturing the metal- lic structure.
What to read after Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact?
You can find similar books in the "Read Also" column, or choose other free books by A L Arthur Lowry Davis to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
This is corrected by the cambering rolls, which stretch the head to the length necessary to compensate for its greater shrinkage, and leave the rail straight after it has cooled.
The cambering machine is somewhat similar in action to a roller rail-curving machine; it generally consists of two horizontal rolls bearing on the web of the rail, with vertical rolls bearing on the head. The vertical rolls have a screw-motion, and by regu- lating the pressure imparted by the vertical rolls (which will... depend upon the section of rail being rolled and the temperature at which it reaches the cambering machine), the amount of curve or sweep put in the hot rail is just sufficient to produce a rail that is straight, or nearly so, when cold.
The differences in form and area between head and base of rail, makes the rails tend to cool high or low unless they are cambered as above; no diffi- culty is encountered in having the rails cool straight, or nearly so, in line.
This is a very important detail of the rail manu- facturing process, because the straighter the rails when they leave the cooling beds the less the work required on them at the cold-straightening presses, and consequently less danger of rupturing the metal- lic structure.
What to read after Rail Failures for the Trackman With Notes On Rail Specifications Rail Manufact?
You can find similar books in the "Read Also" column, or choose other free books by A L Arthur Lowry Davis to read onlineMoreLess
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