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PT. X adalah Manufaktur Valve, Accuator dan Accessories. PT. X mengalami kesulitan dalam memenuhi pesanan pesanan karena proses setting produk Main Steam terlalu lama sehingga kapasitas produksinya rendah, sehingga perlu dilakukan perancangan Jig pada proses setting produk Main Steam agar dapat mengeliminasi waktu pengerjaan setting. Penelitian ini dilakukan pada bagian produksi dengan menggunakan metode analisis Quality Function Deployment. Tahapan dalam penelitian ini menggunakan Voice of Costumer yang berguna untuk mengetahui ketertarikan perusahaan, atribut produk dan respon teknis guna menghilangkan set up time yang lama sehingga tercapai kapasitas produksi. Setelah tahapan tersebut selesai, dilakukan analisis dengan menggunakan metode QFD. Identifikasi quality deployment function (QFD) sebagai salah satu alat yang dapat digunakan untuk mengidentifikasi kebutuhan pelanggan dan menghubungkan kebutuhan tersebut dengan desain produk. PT. X berhasil memangkas waktu setting dengan metode QFD untuk meningkatkan hasil produksi.

Quality control is one of the obstacles experienced by PT. Wahana Kasih Mulia on CV. KKN. Quality control is an important thing that must be done by companies to minimize defective products. To be able to analyze product defects, researchers use the six sigma model, by formulating the Define, Measure, Analyze, Improve, Control (DMAIC) stages. The purpose of this study was to determine the level of quality control using the DMAIC method with the Six Sigma model applied to manufacturing companies. The results showed that from the measurement of the number of Omiland brand baby mattress products in the January-October 2021 period, it was found that defective products came from three main causes of disability. The distribution data of the number of product quality characteristics and company performance are at the sigma level of 3.50 with a DPMO value of 27,082.275. This shows that the company has not been able to meet process quality standards. Based on this research, the recommendations for improvement given are that the company needs to provide periodic training to employees, perform maintenance on machines, apply a clearer and more detailed Standard Operating Procedure (SOP), conduct tighter supervision of newly arrived raw materials and the company needs to place quality control at every stage of the production process.

Study table is one of the supporting learning activities but the current study table design is not in accordance with consumer needs, especially for children. The development of this study table product is expected to answer the needs of custumers or consumers and produce an ergonomic study table. This multifunctional learning folding table product uses the parameter measurement of the Quality Function Deployment (QFD). The result obtained based on the customer show that there are 7 attributes (customer requitment) and 4 technical parameters ( technical response). In this regard, the product development of a multifuntional folding study table uses the Quality Function Deployment (QFD) method using teak wood. This table also has several features, namely a reading light feature, a glass holder, a storange feature, equipped with a simple design, attaractive practical colors and ideal dimensions so as to increase comfort inusing the folding study table product.