Fixture Evaluation Based On CMM
Author(s)
Y. Wang, X. Chen, Q. Liu & N. Gindy
Abstract
Fixture evaluation is an important part of a fixture design and manufacture,
because it provides quantitative information of fixturing errors. Such mformation
is usefil for the validation of theoretical analysis and the evaluation of the fixture
performance. It also provides suggestion of fixture improvement. The evaluation
of fixture performance includes checking workpiece loading repeatability,
workpiece distortion, and examining the workpiece movement caused by
clamping and machining force. A coordinate measurement machme (CMM)
measurement method for fixture evaluation was developed based on the
transformation of coordinate systems (CS) and the measurement of datum
displacements. A turbine blade fixture was assessed as an example.
1 Introduction
Fixtures are used to locate and to hold one or several workpieces for machining.
Locat
Keywords
Related Book
Other papers in this volume
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