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Shaft 9 O% r6 V$ j& y7 `
Solid shafts.
; r* W5 Q# j" u% K; @% 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
3 K& `. Y2 m, ?# V. I4 acrankshaft, 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
