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Shaft % i* d) K9 c$ b; G
Solid shafts.
5 b$ B+ h1 l/ }3 m+ IAs 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, ]0 j: y6 |; n0 i
crankshaft, has only one receiver or input, but each cam on the shaft delivers rotary motion to the valve-actuating mechanisms. | 
发表于 2011-6-7 11:54:27
