Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 146 The Perry Collard Co. are hinged upon a girder G. D represents one of thesetrap doors being thrown back out of place. Where one is riveting around the bottom center ofthe throat sheet, the legs of the water space frame stickin around this platform, therefore these doors are all 175 Examples of riveting. arranged so that they can be thrown back out of ordinary conditions they are in place as indicated. The Derry CMard Co. Riveting a dome. by this figure. R are wrought i
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 146 The Perry Collard Co. are hinged upon a girder G. D represents one of thesetrap doors being thrown back out of place. Where one is riveting around the bottom center ofthe throat sheet, the legs of the water space frame stickin around this platform, therefore these doors are all 175 Examples of riveting. arranged so that they can be thrown back out of ordinary conditions they are in place as indicated. The Derry CMard Co. Riveting a dome. by this figure. R are wrought iron bolts threaded ateach end and having nuts on each side of the girder. By 176 Spring of riveting stake. means of these rods any sag in the doors can be takenup by adjusting these nuts. The riveter stake and also the frame deflect underthe load, the amount of this deflection depending uponthe size and capacity of the machine. It is apt to be asmuch as ^ of an inch for either the stake or frame. Forthis reason the platform should not be fastened to thestake, but to a permanent structure. A wrought ironbracket B four of five feet long should be arranged tosupport the riveter end of the platform, while the rear
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
