Marine Boiler Management and ConstructionLongmans, Green, and Company, 1901 - 404 páginas |
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Página 24
... nuts cannot be unscrewed from copper stays after heating , but brass nuts can ; that blisters crack on the fire side , being exposed to greater changes of tempera- ture ; that rivet holes of seams in iron or steel furnaces crack , in ...
... nuts cannot be unscrewed from copper stays after heating , but brass nuts can ; that blisters crack on the fire side , being exposed to greater changes of tempera- ture ; that rivet holes of seams in iron or steel furnaces crack , in ...
Página 43
... nuts by burning , or rather bad welds open under the influence of the heat ( fig . 69 ) . It is quite a common practice to cut off the greater part of the projecting stay and rivet it over . not be done , because it is due to the ...
... nuts by burning , or rather bad welds open under the influence of the heat ( fig . 69 ) . It is quite a common practice to cut off the greater part of the projecting stay and rivet it over . not be done , because it is due to the ...
Página 44
... nuts . This burning away of the stay nuts is generally due to their not being in metallic contact either with the stay or the plate ; or , in other words , they are a loose fit on the thread , and are resting on a washer and two ...
... nuts . This burning away of the stay nuts is generally due to their not being in metallic contact either with the stay or the plate ; or , in other words , they are a loose fit on the thread , and are resting on a washer and two ...
Página 77
... nut had been mistaken for the washer which is FIG . 96 FIG . 97 sometimes placed there . The wasting of the front plates and front ends of the steam stays is aggravated by the heat of the uptake ; but , as equally bad cases are met with ...
... nut had been mistaken for the washer which is FIG . 96 FIG . 97 sometimes placed there . The wasting of the front plates and front ends of the steam stays is aggravated by the heat of the uptake ; but , as equally bad cases are met with ...
Página 181
... nut to the flange makes caulking difficult . Assuming , however , that the end stays are so placed that they carry the same load as the others , the approximate maximum bending moment in the girder can easily be worked out . Let L be ...
... nut to the flange makes caulking difficult . Assuming , however , that the end stays are so placed that they carry the same load as the others , the approximate maximum bending moment in the girder can easily be worked out . Let L be ...
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Términos y frases comunes
acid angle annealing bars bending Board of Trade boiler shell bolts carbon carbonic acid caulking centre circumference circumferential seams cocks combustion chamber compression stress corners corrugated crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging experiments factor of safety fire fitted flame flange flat plates fuel funnel gases girder hammer heating surface hydraulic Illustrations iron plates lap joints length Lloyd's Register load longitudinal seams machine material metal percentage pipes pitch placed Plain punched reduced rivet holes rows screwed stays sectional area shearing stress shell plates shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel Strength of Materials superheaters Surveyor temperature tensile strength tension test piece thickness of plate threads tons tube plate washers water spaces water-tube boilers weight welded
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