| 摘要 |
A cassette type part clamping member holding precision parts of small size to very close tolerances. The parts are clamped in a manner so that they are securely held but are not damaged. The cassette mounts relatively easily made, low cost, and useful reference bar for providing a reference surface against which the parts are clamped and also against which a sensor will operate during an operation such as grinding to insure that a straight grind cut is made. The cassette that holds the part clamping members and the reference bar, and a separate outer cassette holder fixture which provides reference surfaces for supporting the reference bar holding it in position accurately and without affecting the preload on the clamping members is mounted on the tool table. The cassette can be removed from and replaced into the holding fixture without releasing the parts.
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