AZIZI, RAHMAN (2020) PENGENDALIAN KUALITAS BOTOL SHAMPO WARDAH 170ML PADA MESIN EXTRUSION BLOW MOLDING DENGAN METODE PDCA DI PT DYNAPLAST. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
PT Dynaplast is a manufacturing company engaged in plastic packaging, one of which is shampoo bottles. The problem faced by the company at this time is the high defects in the production of plastic bottles in the extrusion blow mold machine, especially in the blow production line 2. The purpose of this study is to analyze the problem with bottle defects and propose improvement recommendations that can reduce the defect rate according to the company's target of a maximum of 2 percent. The study was conducted using the PDCA approach in the period of October-December 2019. Based on Pareto analysis, it was concluded that there were three main types of defects in the production process of the 170 ml Wardah shampoo bottle, namely non-standard color, black spots, and non-uniform wall thickness. Based on the results of fishbone analysis and brainstoriming / focus group discussion, several improvement steps are recommended, such as repairing the product grinding machine, replacing the masterbatch mixer machine to a gyro mixer. Making support in the die head area and making the standard cycle time from 59 seconds to 26 seconds at speed RPM (outer layer). After implementation during April-May 2020, the defect rate in shampoo bottles was successfully reduced to 1.8 percent from 2.3 percent originally. Keywords: plastic bottle packaging, extrusion blow mold, defects, PDCA. PT Dynaplast merupakan perusahaan manufaktur yang bergerak di bidang kemasan plastik, slah satu hasil produksinya adalah botol shampo. Permasalahan yang dihadapi perusahaan saat ini adalah tingginya cacat produk pada produksi botol plastik pada mesin extrusion blow mold khususnya pada line produksi blow 2. Tujuan penelitian ini adalah menganalisis permasalahan pada cacat botol dan mengusulkan rekomendasi perbaikan yang mampu menurunkan tingkat cacat sesuai target perusahaan maksimal 2 persen. Penelitian dilakukan menggunakan pendekatan PDCA pada periode oktober-desember 2019. Berdasarkan analisis Pareto disimpulkan tiga jenis cacat utama pada proses produksi botol shampo Wardah 170 ml yaitu warna tidak standar, bintik hitam, dan tebal dinding tidak seragam. Berdasarkan hasil analisis fishbone dan brainstoriming/focus group discussion direkomendasikan beberapa langkah improvement seperti Perbaikan pada mesin penggiling produk, Penggantian mesin mixer masterbatch menjadi gyro mixer. Pembuatan penyokong pada area die head dan membuat standar cycle time dari 59 detik menjadi 26 detik pada speed RPM (outer layer). Setelah implementasi selama bulan april-mei 2020, tingkat cacat pada botol shampo berhasil diturunkan menjadi 1,8 persen dari semula sebesar 2,3 persen. Kata Kunci: kemasan botol plastik, extrusion blow mold, cacat, PDCA
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