Eccentric chuck

(Mach.) a lathe chuck so constructed that the work held by it may be altered as to its center of motion, so as to produce combinations of eccentric combinations of eccentric circles.

See also: Eccentric

References in periodicals archive ?
The newest chuck model, auto eccentric chuck (model number HG-847-215), was introduced at IMTS in September.
Crankshafts and camshafts can be completely ground with a single clamping operation without the use of an eccentric chuck, the company said.
Here a GN-51TWS lathe is employed: it is capable of turning the eccentrics because the machine has ad justable offsets in the eccentric chucks that mean that off-center turning can be performed.