 | Walter Loring Webb - 1903 - 675 halaman
...rejection of all rails from any blow will depend upon the results of the tests thereof. HEAT TREATMENT. The number of passes and speed of train shall be so...the rolls at the final pass the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot saws of 6 inches for 85-lb.... | |
 | Walter Mason Camp - 1903 - 1214 halaman
...Pennsylvania RR specifies 5i ins. and for 100-lb. rails 5£ ins. The Am. Ry. Eng. & MW Assn. recommends that "The number of passes and speed of train shall be so regulated that on leaving the rolls at final pass the temperature of the rail will not exceed that which requires a shrinkage allowance at.... | |
 | Walter Mason Camp - 1903 - 1214 halaman
...began to introduce into their specifications what is known as the shrinkage allowance clause, requiring that on leaving the rolls at the final pass the temperature of the rail should not exceed that which requires a certain shrinkage allowance at the hot saws, and that... | |
 | 1907
...requirement, all the rails of the blow which they represent will be accepted. Finishing Temperature. — (4) The number of passes and speed of train shall be so...the rolls at the final pass the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot-saws, for a 3<>ft. rail of... | |
 | 1908
...to go Ib 043 to 0.53 0.80 to 91 to loo Ib 0.45 to 0.55 0.84 to As to shrinkage, it is provided that the number of passes and speed of train shall be so...leaving the rolls at the final pass, the temperature of rails of sections 75 Ib. per yard and heavier will not exceed that which requires a shrinkage allowance... | |
 | Walter Mason Camp - 1904 - 1223 halaman
...Pennsylvania RR specifies 5$ ins. and for 100-lb. rails 5| ins. The Am. Ry. Kng. & MW Assn. recommends that "The number of passes and speed of train shall be so regulated that on leaving the rolls at final pass the temperature of the rail will not exceed that which requires a shrinkage allowance at... | |
 | American Society of Civil Engineers - 1906
...ingots, the defect known as piping shall be prevented, the above shearing requirements may be modified. The number of passes and speed of train shall be so...the rolls at the final pass, the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot saws, for a 33-ft. rail of... | |
 | American Railway Engineering and Maintenance of Way Association - 1907
...The report of the drop test shall state the atmospheric temperature at the time the test was made. 5. The number of passes and speed of train shall be so...the rolls at the final pass, the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot saws for a 33-ft. rail of... | |
| |
The number of passes and speed of train shall be so regulated that on leaving the rolls at the final pass the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot -saws, for a 30-ft. 
