Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 318A flush top riveter. adjusted by the hand wheel W and are driven by apair of reversing engines A. 324 Machine, riveting^. Figure 319Vauclain type of riveter. 325 Riveting by machinery. Under the subject of riveting, different stylescylinders have been mentioned. Fig. 318 represents aflush top machine. The valve is coupled up to the sup-ply and to the machine in such a manner that when thehandle H is pushed toward the stake S, water is turnedinto the cylinder and the die D approache
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 318A flush top riveter. adjusted by the hand wheel W and are driven by apair of reversing engines A. 324 Machine, riveting^. Figure 319Vauclain type of riveter. 325 Riveting by machinery. Under the subject of riveting, different stylescylinders have been mentioned. Fig. 318 represents aflush top machine. The valve is coupled up to the sup-ply and to the machine in such a manner that when thehandle H is pushed toward the stake S, water is turnedinto the cylinder and the die D approaches the rivet. Thisrepresents a three pressure machine, the various pres-sures being obtained in this manner. There is a maincylinder C, an intermediate piston P and a small pistonK. P and K can be locked to the main cylinder bymeans of a screw inside the cylinder. This screw is re-volved by the lever L. The screw is cut away in threeplaces like the breech of a gun and thus by a smallmotion of the lever L the screws engage or disengage asthe case may be. Some precaution must be taken in coupling up thedifferent pressures. If the screw threads are not fullyengaged, the enormous pressure of the piston will eitherbreak the screw or
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
