How does crankshaft work?
The rods and bearings connects the piston to the crankshaft, when the piston moves up and down, the crankshaft is moved as describing a circle by the rods and bearings, then, the crankshaft is rotating. We may find the details at http://wikipedia.jaylee.cn/ (Thanks Wikipedia show us the details of what is crankshaft and how the engine works). Advantages for tungsten alloy crankshaft It is necessary to provide counterweights for the reciprocating mass of each piston and connecting rod to improve balance in engines, and these are typically cast as part of the crankshaft.
