impart a rotary motion to the crankshaft

См. также в других словарях:

• Eccentric (mechanism) — An eccentric in mechanical engineering is a circular disk ( eccentric sheave ) solidly fixed to a rotating axle with its centre offset from that of the axle (hence the word eccentric , out of the centre). It is most often employed in steam… …   Wikipedia

• Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …   Wikipedia