MEASURING BY MEANS OF MEASURE MECHANIC OF PRECISION Basic competence : Explaining the way of usage mechanic measuring instrument of precision 1
DIAL INDICATOR After studying this Items, students can be expected to Explain the way of usage of Micrometer Basic competence Explaining the way of usage of mechanic measuring instrument of precision
DIAL INDICATOR Function: To measure kebengkokan, out run, kekocakan, play end, lash back, horizone, etcetera a = tooth of pinion b = big tooth c = activator tooth both d = second big tooth e = spiral spring h = pegas coil s = poros penekan
DIAL INDICATOR
DIAL INDICATOR To know result of measurement, can be determined with seeing minute hand position and hours hand Position minute hand is showing line to 6, meaning result of its read is 6 x 0,01 = 0,06 mm. Whereas hours hand is showing line to 3, its meaning of minute hand have rotated 3 times. Thereby result of the measurement is 3 + 0,06 = 3,06 mm 0,01 mm
DIAL INDICATOR
DIAL INDICATOR
HOW TO USE A DIAL INDICATOR (VIDEO) www.youtube.com
FORMATIVE TEST 1. How to use indicator dial so that it is obtained result of accurate measurement?
REFERENCES Sudji Munadi. (1988). Dasar-Dasar Metrologi Industri. Jakarta : Depdikbud : Dirjen Dikti, Proyek Pengembangan LPTK. Tim Fakultas Teknik Universitas Negeri Yogyakarta. 2004. Penggunaan dan Pemeliharaan Alat Ukur. Yogyakarta: Departemen Pendidikan Nasional, Direktorat Jenderal Pendidikan Dasar dan Menengah, Direktorat Pendidikan Menengah Kejuruan, Bagian Proyek Pengembangan Kurikulum
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