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All Journal Jurnal Teknik Industri Jurnal Teknik Industri J@TI (TEKNIK INDUSTRI) Jurnal Ilmiah Teknik Industri PERFORMA : Media Ilmiah Teknik Industri Makara Journal of Technology
Wakhid Ahmad Jauhari
Jurusan Teknik Industri, Fakultas Teknik, Universitas Sebelas Maret
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Ilmiah Teknik Industri

 1 
MODEL PERSEDIAAN TERINTEGRASI PADA SISTEM SUPPLY CHAIN YANG MELIBATKAN PEMASOK, PEMANUFAKTUR DAN PEMBELI Jauhari, Wakhid Ahmad
Jurnal Ilmiah Teknik Industri Vol. 5, No. 2, Desember 2006
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

In this paper we consider a single buyer-single manufacturer- single supplier supply chain problem where there are multiple deliveries for one buyer’s order and the manufacturer produces in a multiple integer of deliveries quantity. We also consider a lot size of raw material procurement which can be split from production batch. From numerical example we found that a value of material conversion factor and delivery frequency influences the total inventory cost . A high value of material conversion factor would make the buyer’s total inventory cost increase and the manufacturer’s total inventory costdecrease. High frequency of delivery would make the buyer’s total inventory cost decrease and the manufacture’s total inventory cost increase.
Perbaikan Min-Max Distribusi Dengan Multiple Criteria ABC Analysis NG-Model Untuk Pengoptimalan List Part Number Hanif, Zulhendra; Hisjam, Muhammad; Jauhari, Wakhid Ahmad
Jurnal Ilmiah Teknik Industri Vol. 18, No. 1, Juni 2019
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v18i1.7727

Abstract

PT GMF Aeroasia Tbk. is the largest MRO company in Indonesia. This company has 67 plants worldwide. With the many plants that must be serviced, the complex process of repairing aircraft with spare parts that exceeds 15,000 types. Part distribution is a very big challenge and must be faced by companies where part distribution is done with multi-stage warehouses. At present the main warehouse has problems with the inefficiency of the min-max distribution system at each plant where the system aims to bond the parts that have the greatest frequency of demand to the sub-warehouse at the plant. This study discusses the improvement of Min-Max distribution with ABC Analysis NG-Model Multiple Criteria which aims to improve the efficiency of the list part number with the frequency of order transfer requests and the most optimal performance at 9 internal plants with the largest part demand activity. The proposed method is known to be able to increase min-max accommodation including, Transfer Order frequency from 23% to 40.80% and weekly delivery performance from 22% to 62.69%. In addition, this method can also reduce the amount of part number on Min-max with the results of Transfer Order accommodation and increased performance from the methods currently used.
MODEL PERSEDIAAN TERINTEGRASI PADA SISTEM SUPPLY CHAIN YANG MELIBATKAN PEMASOK, PEMANUFAKTUR DAN PEMBELI Jauhari, Wakhid Ahmad
Jurnal Ilmiah Teknik Industri Vol. 5, No. 2, Desember 2006
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v5i2.1569

Abstract

In this paper we consider a single buyer-single manufacturer- single supplier supply chain problem where there are multiple deliveries for one buyer?s order and the manufacturer produces in a multiple integer of deliveries quantity. We also consider a lot size of raw material procurement which can be split from production batch. From numerical example we found that a value of material conversion factor and delivery frequency influences the total inventory cost . A high value of material conversion factor would make the buyer?s total inventory cost increase and the manufacturer?s total inventory costdecrease. High frequency of delivery would make the buyer?s total inventory cost decrease and the manufacture?s total inventory cost increase.
Co-Authors Akbar, Reza Rizkichani Ani Fatmawati Azizah Aisyati Bambang Suhardi Budiningsih, Endah Cucuk Nur Rosyidi Cucuk Nur Rosyidi Eko Liquiddanu Fatmawati, Ani Hanif, Zulhendra Hisjam, Muhammad I Gusti Ngurah Antaryama I Nyoman Pujawan Lobes Herdiman Mulyaningtyas, Dwiningsih Naganingrum, R. Pitaloka Nugraheni, Eka Agustina Nugroho, Beny Pramesti, Nidya Yutie Rahmaniyah Dwi Astuti Reza Rizkichani Akbar Sejati, Nelita Putri Stefanus Eko Wiratno Wardani, Serlita Vidinia