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Sujita, Sujita
Universitas Mataram, Https://www.scopus.com/authid/detail.uri?authorId=55623733100
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences

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Journal : Majalah Ilmiah MOMENTUM

 1 
TEGANGAN MAKSIMUM DAN FAKTOR KEAMANAN PADA POROS ENGKOL DAIHATSU ZEBRA ESPASS BERDASARKAN METODE NUMERIK Achmad Zainuri; . Sujita; Alam Lawe Popo
JURNAL ILMIAH MOMENTUM Vol 6, No 2 (2010)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v6i2.116

Abstract

The purpose of this study was to determine the maximum stress and safety factor on the crankshaft Daihatsu Zebra Espass based on numerical methods. Material is selected as the crankshaft material is AISI 1053 steel. This numerical method uses CATIA software program to determine the maximum stress based on Von Mises failure theory. Research procedure begins by measuring the dimensions of the crankshaft Daihatsu Zebra Espass, then draw and analyze. Results of analysis in the form of images that show the stress distribution that occurs in the elements of the crankshaft. From the analysis results can be concluded that the highest maximum stress occurred in the area of the crankshaft fillet into 4 at the position 360o angle of 86.5 MPa with the lowest safety factor of 4.22. Keywords: crank shaft, CATIA, maximum stress, safety factor.
PENGARUH GETARAN PADA MOTOR SAMPLING PUMP ROUGHER SCAVENGER TERHADAP KONSUMSI DAYA LISTRIK DI PT NEWMONT NUSA TENGGARA Zainuri Achmad; Sujita Sujita; Yudistira Yudistira
JURNAL ILMIAH MOMENTUM Vol 14, No 1 (2018)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v14i1.2177

Abstract

The purpose of this research is to know the influence of vibration that occur on a machine on its power consumption along with knowing the damage that made the machine vibrated.This research conducted at PT Newmont Nusa Tenggara on Concentrator Area. Sampling pump rougher scavenger machine is used as an experiment devices. Microlog CMVA55 with accelerometer sensor was used for measuring vibration velocity and data logger was used for power consumption measurer. The vibration velocity value was taken on five point in sampling pump rougher scavenger machine and the power consumption value was taken in electrical power room. Both of the measuring result will be compared to find the influence of vibration toward machine power consumption. Fish bone analysis was used to found out the root cause of the excessive vibration on the machine. The solution of the vibration problem was found by using Failure Mode and Effect Analysis method. The results showed there isan influence toward machine power consumption by the increase of vibration velocity. For 0.06 mm/s vibration velocity excalation, the power consumption increase to 40 watt per hour. For 0.08 mm/s, power consumption increase to 80 watt per hour and the highest is 324 watt per hour with vibration velocity excalation up to 0.36 mm/s. The highest power consumption 17 kWh occurred on machine A with vibration velocity average is 6.12 mm/s and the lowest occurred on machine B that is 15 kWh with vibration velocity average is 2.99 mm/s.Keywords: vibration, vibration velocity, vibration spectrum, power consumption, mechanical vibration, spectrum analyze.
Co-Authors - Achmad Zainuri A. Zainuri, A. Achmad Zainuri Achmad Zainuri Achmad Zainuri Adhi, I.G.A.K.C. Agus Dwi Catur Ahmad Multazam, Ahmad Ahmad Syafruddin Zohri, Ahmad Ahmad Syafruddin Zohri, Ahmad Syafruddin Ahmad Zainuri Alam Lawe Popo H.S. Tira I Gede Bawa Susana I Gede Widiartha I GNK Yudhyadi I Kade Wiratama I Made Suartika I Putu Krishna Artha Sastra I Putu Krishna Artha Sastra, I Putu Krishna Artha I Wayan Joniarta I. B. Alit I. M. Mara I.B. Alit Ida Bagus Alit Lukman Hakim M. Mara M. Mirmanto, M. M. Wijana, M. Made - Wirawan Nasmi Herlina Sari Nur Kaliwantoro Okariawan, I.D.K. Padmiatmi, P. Padmiatmi, Pandri Padmiatmi, Pandri Padmiatmi Pandiatmi, P. Pandri Pandiatmi R. Sutanto Rudy Sutanto S. Gunawan Hadi, S. Gunawan S. Sinarep, S. Sajuri Gunawan Hadi, Sajuri Gunawan Sinarep Sinarep Sulistyowati, E. D. Sutanto, R. Syahrul Syahrul Tri - Rachmanto Yudhyadi, I.G.N.K. Yudistira Yudistira Zainuri Achmad Zainuri, Ahmad Zainuri Zaiunuri, Ahmad