Penambahan Alat Bantu Centering Pada Pengukuran Kebulatan Menggunakan Roundne…

ABSTRACT This research aims to develop a roundness measuring instrument by adding a centering aid to the Roundness Tester Machine. Accurate roundness is crucial for ensuring product quality, especially in machine components. This study analyzes the effect of using the centering aid on the roundness measurement results of aluminum shafts. The testing method employed is the ring method, with mea…