Jurnal Instrumentasi
Vol 41, No 2 (2017)

EFFECT OF STYLUS POSITION SHIFTINGS TO ECCENTRICITY AND ROUNDNESS VALUE IN GLASS HEMISPHERE MEASUREMENTS

Kartika, Nadya Larasati (Research Center for Metrology-LIPI)
Rahman, Ardi (Research Center for Metrology-LIPI)
Nugraha, Asep Ridwan (Research Center for Metrology-LIP)

Article Info

Publish Date
01 Dec 2017

Abstract

In this research, the effect of stylus position shifting to eccentricity on hemisphere roundness measurement is examined in Research Center for Metrology LIPI (RCM-LIPI). The effect would give the acceptance eccentricity value for center adjustment of hemisphere. Least Square Circle (LSC) data fitting and Gaussian filtering were used in data processing. The result showed that until 3,3 µm shifting value with 3,23 µm in eccentricity the roundness values were constant. However, above this value, the roundness value starting to increase significantly and giving an uncertainty contribution to hemisphere measurement.  

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Journal Info
Jurnal Instrumentasi
Website

Abbrev

ji

Publisher

Badan Standardisasi Nasional

Subject

Agriculture, Biological Sciences & Forestry Chemistry Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology

Description

The scientific areas covered by Instrumentasi are those backboned by scientific measurements and thus range from instrument engineering, metrology, testing, and control. All papers submitted are refereed by bona fide reviewers from leading research institutions as well as universities prior to ...