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Mechanics of Accuracy in Engineering Design of Machines and Robots Volume II: Stiffness and Metrology

By
Vladimir T. Portman
Vladimir T. Portman
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ISBN:
9780791861691
No. of Pages:
344
Publisher:
ASME Press
Publication date:
2019

Synthesis of the substitute feature (SF) is shown in the previous chapter to be a necessary step in building the tolerance zone for standard assessment of geometric accuracy [1–3]. Since the SF must be of perfect form, its synthesis uses information about the nominal feature (NF) and includes the deviations leaving the feature shape unchanged – the size, position, and orientation deviations (SPOD). Evaluation of the SF parameters is carried out using the actual feature (AF) data resulting from the point-to-point coordinate measurements of the AF on coordinate measuring machines (CMM). Thus, the SF concentrates the information needed for verification...

7.1
Introduction
7.2
Substitute feature synthesis
7.3
Case studies
7.4
Uncertainty and capacity of the procedure
7.5
Conclusions
References
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