APLIKASI LEAN SIX-SIGMA UNTUK MENGURANGI PEMBOROSAN DI BAGIAN PACKAGING SEMEN

Authors

  • Reni Dwi Astuti Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta
  • Lathifurahman Lathifurahman Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta

DOI:

https://doi.org/10.24853/jisi.7.2.143-153

Keywords:

semen, six sigma, lean manufacturing, value stream mapping, failure mode and effect analysis

Abstract

Hasil observasi di PT. Holcim Indonesia Tbk, pabrik Cilacap, didapati banyaknya pemborosan di bagian pengepakan semen, termasuk banyaknya produk cacat kemasan, sehingga banyak semen tercecer dan harus mengulangi proses pengepakan. Penelitian ini dilakukan untuk mengidentifikasi pemborosan selama proses pengepakan menggunakan  pendekatan lean manufacturing dengan value stream mapping. Sementara tingkat kualitas dianalisis dengan metode six-sigma. Penyebab kecacatan produk dianalisis dengan fish-bone diagram. Failure Mode and Effect Analysis (FMEA) digunakan untuk merancang ususlan perbaikan. Pemborosan yang teridentifikasi meliputi : transportation, motion, waiting, over processing, dan defect. Usulan perbaikan untuk mengurangi pemborosan yaitu dengan penggabungan stasiun penimbangan dan stasiun pemeriksaan, sehingga memberikan estimasi peningkatan  process cycle effisiensi  dari 39,1% menjadi 46,69. Sedangkan upaya untuk mengurangi cacat produk dilakukan dengan perawatan preventif mesin packer.

Author Biographies

Reni Dwi Astuti, Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta

Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta

Lathifurahman Lathifurahman, Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta

Program Studi Teknik Industri, Universitas Ahmad Dahlan, Yogyakarta, Kampus 4 UAD Ring Road Selatan, Tamanan, Bantul, Daerah Istimewa Yogyakarta

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Published

2020-09-27

Issue

Vol. 7 No. 2 (2020): JISI UMJ

Section

Articles

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