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Journal : REKAYASA

ANALISIS FINANSIAL PADA PRODUKSI ROTI TAWAR MENGGUNAKAN SUBSTITUSI TEPUNG UWI UNGU (Dioscorea alata L. var purpurea) Mohammad Osidani Aji Wijaya; Banun Diyah Probowati; Umi Purwandari
Rekayasa Vol 6, No 2: Oktober 2013
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (314.453 KB) | DOI: 10.21107/rekayasa.v6i2.2090

Abstract

Roti tawar merupakan makanan yang populer, dengan bahan utama tepung terigu. Pembuatan roti tawar dengan pencampuran tepung uwi ungu sebagai bahan substitusi diharapkan menjadi satu inovasi produk baru, mengurangi penggunaan tepung terigu, meningkatkan penggunaan tepung lokal, dan menambah manfaat fungsional. Tujuan penelitian ini adalah mengkaji analisis finansial berdasarkan NPV, IRR, B/C ratio, BEP, PBP, dan sensitivitas. Metode yang digunakan dalam penelitian adalah metode full costing yang digunakan untuk penentuan harga pokok produksi. Bahan yang digunakan dalam penelitian ini adalah tepung terigu, tepung uwi ungu, gula, mentega, susu skim, gum arab, ragi, beaker bonus, garam, dan air. Hasil dari penelitian ini adalah NPV sebesar Rp 29.636.521,00, IRR sebesar 15 %, B/C ratio sebesar 1,11509, PBP sebesar  4,17 tahun, BEP sebesar 4.469 unit dan sensitivitas pada saat harga bahan naik 15 %, serta penurunan harga jual produk sebesar Rp 500,00. Kesimpulan dari penelitian ini adalah usaha pembuatan roti tawar uwi ungu layak untuk dilakukan.
PENGENDALIAN MUTU DALAM PROSES PRODUKSI RAJUNGAN (STUDI KASUS PT.KELOLA MINA LAUT UNIT SAMPANG) Rhesi Wicaksananengnaya; Darimiyya Hidayati; Banun Diyah Probowati
Rekayasa Vol 6, No 2: Oktober 2013
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (376.529 KB) | DOI: 10.21107/rekayasa.v6i2.2091

Abstract

Rajungan (Portunus pelagicus) is one type of crab which include in family of Portunidae has great potential to become an important fishery commodity exports as a produser of foreign exchange, so Rajungan product (Portunus pelagius) can be controlled through the production proces in order to generate  profits  for  the  company.  This  research  aims to   determine   the types   of   defects that occur during the boiling process and stripping, applying four quality control’s tools during processing of management of quality control, and analyze the factors that affect the quality of the process of boiling and stripping. Analyze quality control using quality  control’s  tools  in  the  form  of  quality  control check sheet, P control chart , pareto diagrams and causal and effects diagram. Check sheets are use to present data in order to facilitate the understanding of the data for further analysis. P control chart used to see whether the defective product is within out of control or not. Identification of the dominant types of defects and determine priority of repairs using pereto diagrams. The next step is to find the factors that cause damage to the product using a causal and effect diagram then prepared a proposal for improvement. The result of data analysis p control chart shows that the process still exists in a state outside the control limits, which meanshaving irregularities. Can be seen on the graph p control chart during the boiling process and stripping. Based on the diagram pareto, immediately made an improvement to the destruction of the most dominant in the boiling process is very mature (42,6 %) and the process of stripping named RB (73,8 %). Making a causal diagram analysis can be known what factors cause the occurrence of disability is a factor of raw materials, tools, methods of work / production processes, and human beings, so that companies can take immediate preventive measures and improvements to reduce the level of disability.