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Multivariate SPC for total inertial tolerancing

Published online by Cambridge University Press:  06 March 2014

M. Pillet ,
A. Boukar ,
E. Pairel ,
B. Rizzon ,
N. Boudaoud  and
Z. Cherfi
M. Pillet*
Affiliation:
SYMME Laboratory – Université de Savoie, 7 chemin de Bellevue, 74944 Annecy, France
A. Boukar
Affiliation:
SYMME Laboratory – Université de Savoie, 7 chemin de Bellevue, 74944 Annecy, France
E. Pairel
Affiliation:
SYMME Laboratory – Université de Savoie, 7 chemin de Bellevue, 74944 Annecy, France
B. Rizzon
Affiliation:
SYMME Laboratory – Université de Savoie, 7 chemin de Bellevue, 74944 Annecy, France
N. Boudaoud
Affiliation:
ROBERVAL Laboratory, UMR CNRS 6253, Université de Technologie de Compiègne, 60200 Compiègne, France
Z. Cherfi
Affiliation:
ROBERVAL Laboratory, UMR CNRS 6253, Université de Technologie de Compiègne, 60200 Compiègne, France
*
⋆ Correspondence:[email protected]
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Abstract

This paper presents a joint use of the T2 chart and total inertial tolerancingfor process control. Here, we will show an application of these approaches in the case ofthe machining of mechanical workpieces using a cutting tool. When a cutting tool inmachining impacts different manufactured dimensions of the workpiece, there is acorrelation between these parameters when the cutting tool has maladjustment due to badsettings. Thanks to total inertial steering, the correlation structure is known. Thispaper shows how T2 charts allow one to take thiscorrelation into account when detecting the maladjustment of the cutting tool. Then thetotal inertial steering approach allows one to calculate the value of tool offsets inorder to correct this maladjustment. We will present this approach using a simpletheoretical example for ease of explanation.

Keywords

MachiningadjustmentT2multivariateinertial tolerancing
Type
Research Article
Information
International Journal of Metrology and Quality Engineering , Volume 4 , Issue 3 , 2013 , pp. 169 - 175
Copyright
© EDP Sciences 2014

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