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Shaft
# ^* d( ?1 z; A2 tSolid shafts.
; U% f0 B R: ^4 p* u/ o% wAs a machine component a shaft is commonly a cylindrical bar that supports and rotates with devices for receiving and delivering rotary motion and torque .The crankshaft of a reciprocating engine receive its rotary motion from each of the cranks, via the pistons and connecting roads (the slider-crank mechanisms), and delivers it by means of couplings, gears, chains or belts to the transmission, camshaft, pumps, and other devices. The camshafts, driven by a gear or chain from the& a A5 f5 s! @3 r% s8 T3 ?
crankshaft, has only one receiver or input, but each cam on the shaft delivers rotary motion to the valve-actuating mechanisms.
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发表于 2011-6-7 11:54:27
