Judul: Evaluasi Efektivitas Sanitasi pada Proses Produksi Chicken Nugget di PT Belfoods Indonesia
Abstrak: PT Belfoods Indonesia is a food company with chicken nugget as the main product. The objectives of this research is to evaluate the effectiveness of sanitation on employees, equipments, and environments of the chicken nugget processing. The evaluation was conducted by distributing questionnaires to assess employees’ understanding about sanitation. The effectiveness of sanitation was evaluated by analyzing microbial load on the palms, equipments and the air after sanitation and the final products. More than 50% of employees understand in hygiene and sanitation very well but 4% doesn’t comprehend the concept. Sanitation process established by the company is effective to reduce the microbial load on the palms, machines, and the air except at the freezing conveyor. Unfortunately, employees and equipments sanitation has not been consistently done in accordance with regulations set by the company. This could pottentially increase the microbial load on the final products.
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Judul: Penerapan Statistical Process Control (SPC) dalam Analisis Pengendalian Proses Produksi Chicken Nugget di PT.Belfoods Indonesia, Bogor Jawa Barat
Abstrak: Statistical Process Control (SPC) is one of method that’s widely used in industry to control the production process. Process control is always associate with quality of finish products. PT. Belfoods Indonesia as one of meat processing company with chicken nugget as main product has used the quality system in each production process. The practice of this internship program used application of SPC, including the use of check sheets, Pareto diagram, Ishikawa diagram, graphs and control charts and scatter diagram for regression and correlation analysis. Chicken nugget ‘B’ is the product with highest defect between other nugget. Based on the interpretation of Pareto diagram, there are many curved shape product. Ishikawa diagram showed that the main cause factor is meatmix temperature setting and texture changes rapidly during storage. From result of the control chart, we knew that the temperature of dough after the mixing process, before forming and when forming process are out of control. This condition indicated that process production had loss controlled. Some of data collected also showed the temperature conditions are out of the company's specifications. Based on analysis of regression and correlation, the increased of dough temperature during forming process was very influential to product defect. The result of data collections and observation about meatmix texture and dough temperature during storage used to determine the place and time limits of storage should be done. Meatmix can’t be put on cold storage more than one hour. The final results of this study can be used to evaluate of production process control and prevent product defect.
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Judul: Penggunaan Teorema Homeomorphy 2-Manifold dan Teorema Euler Poincare pada Torus 𝑇�� dan Simplicial Complex 𝐾��
Abstrak: Two dimensional topological spaces are said to be homeomorphic if they have the same topological invariant, where one of topological invariant used is an Euler characteristic. Homeomorphy 2-Manifold’s Theorem and Euler Poincare’s Theorem are used to distinguish two topological spaces. Homeomorphy 2-Manifold’s Theorem uses Euler characteristic to identify two dimensional topological spaces. Euler Poincare’s Theorem is an alternative way to find Euler characteristic with Betti number, which is topological invariant as well. The objective of this paper is to investigate the homeomorphism of torus 𝑇����� and simplicial complex 𝐾�����. Topological space torus and simplicial complex 𝐾����� have the same Euler characteristic, which is two. Based on Homeomorphy 2-Manifold’s Theorem topological space torus 𝑇����� and simplicial complex 𝐾����� is homeomorphic.
Keyword: simplicial, torus, Euler, homeomorphism, topology