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Shaft 4 A! }) d1 ^/ Z. `# h- @8 u) s
Solid shafts.
/ x; ^$ h, k* U# bAs 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
& o8 e, n' C4 ucrankshaft, 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
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