Method and apparatus for locating and holding a work piece

摘要

An apparatus and method for accurately positioning a wide tolerance work piece, wherein the work piece has a first portion with a known reference surface and a second portion whose position relative to the first portion is not exactly known. The apparatus includes a locating fixture for positioning the first portion of the work piece in a known relationship to the locating fixture. A work piece holding fixture having at least one non-synchronous gripping device conforms to the unknown position of the second portion of the work piece and holds the first portion of the work piece in the known position.