Judul: Studi Gerak Dan Waktu Serta Analisis Keseimbangan Lini Produksi Pada Proses Pembuatan Meja Setrika Di PT. Cosma Cipta Sejahtera Bogor
Abstrak: Time and Motion Study according to Barnes (1976) is the systematic study of work systems with the purposes of developing the preferred system and method usually the one with the lowest cost, standardizing this system and method, determining the time required by a qualified and properly trained person working at a normal pace to a specific task or operation, and assisting in training the worker in the preferred method. This activity had done from November 2010 until Februari 2011 at PT. Cosma Cipta Sejahtera, Cangkurawok Village, Dramaga, Bogor. Based on calculation, writers get the standard time is 4775.53 seconds or 79.59 minute or 1.33 hours. From this results, production target that can achieved by operators is 187 units/day. This results only different 7 units/day from production target that given by company, is 180 units/day. the total line efficiency score before repairing is 13.98% and after repairing with Helgson-Birnie methods is 82.01%. Line efficiency get increase after repairing with Helgson-Birnie methods. It looked at smoothness index and balance delay, that have decrease significantly from 7245.80 until 626.48, and for balance delay from 21.05% until 4.39%. This results showed that the writer’s idea condition have a better line balancing than first condition. Besides that, repairing of work condition are more important for operator to make them work comfortably, so it can minimize the late of achievement production target that can make an extra time for operator.
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Judul: Model Perbaikan Penjadwalan Produksi di PT. MDS,Cikarang - Bekasi
Abstrak: Production scheduling is an important aspect to support the success of a manufacturing company in achieving the target of production planning and affects the implementation of the production process over a period of time. The amount of idle time in scheduling are considered less effective in the production line and detailed production scheduling becomes a problem to be solved with rearrangment of the daily activities in PT. MDS. Preliminary research results indicate that production scheduling in PT. MDS influenced by demand of products, stock products, a number of production, downtime of machine cause of change over time, the order of production scheduling, transportation delay between machines, and working time of machine. A Critical ratio method, the next grouping of products, and re-sequencing of production process with Shortest Processing Time method is the right method in response to a scheduling problem in PT. MDS. A Critical ratio method is useful to sort the product type, while the grouping of products and the Shortest Processing Time method useful to maximize the use of equipments as well as reducing of idle time. The results showed a decreased machine utilization of 64% to 60% and downtime of machine decreased to 5%.
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Judul: Penyebaran virus Newcastle-Disease (ND) pada burung liar
Abstrak: Banyak usaha yang telah dilakukan untuk mencegah dan mengendalikan terjadinya serangan wabah ND, seperti misalnya peningkatan sanitasi dan vaksinasi ND. Akan tetapi sam pai saat ini pengendaliannya belum dapat dilakukan secara tuntas. Banyak masalah yang menyebabkan kegagalan dari usaha untuk mengendalikan wabah ND, salah satu masalah yang perlu dipertimbangkan dalam penanggulangan wabah ND adalah sumber dan penyebaran virus ND oleh burung liar (Ronohardjo, 1980). Walaupun telah diketahui bahwa burung liar mempunyai peranan dalam penyebaran penyakit unggas, tetapi harus diakui bahwa sedikit sekali informasi mengenai jenis burung yang mempunyai potensi sebagai sumber dan penyebar virus ND. Selain menyebarkan penyakit unggas, burung liar juga dapat menyebarkan penyakit mammalia (Ottis and Bachmann, 1983). ...
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