Sukma, Albhie Riskiyana (2024) PERBAIKAN PROSES UNTUK MENGURANGI SCRAP BEAD WIRE DI PT X DENGAN MENGGUNAKAN METODE DMAIC. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Scrap merupakan salah satu masalah yang sering timbul dalam proses produksi di
PT. X. Sehingga apabila tidak dilakukan perbaikan maka nantinya akan berdampak
ke berbagai macam problem diantaranya adalah cost yang semakin tinggi, dan juga
keterlambatan pengiriman produk ke next process. Selain itu kecacatan produk atau
scrap juga berpengaruh terhadap kepuasan pelanggan. Perbaikan yang dilakukan
untuk meminimalisir problem bead wire adalah dengan menggunakan metode
DMAIC. Dalam metode DMAIC diawali dengan melakukan penentuan Critical To
Quality untuk mengetahui opportunity dari problem yang sering terjadi.
Selanjtunya dilakukan proses pengumpulan data dan menentukan perhitungan
DPMO, nilai sigma serta pareto diagram dengan tujuan memastikan item mana
yang nantinya akan dilakukan proses perbaikan. Selanjutnya dilakukan proses
analisa di area proses dan membuat FMEA berkaitan dengan Severity, Occurance,
dan Detection. Setelah didapatkan nilai RPN dengan perkalian nilai Severity,
Occurance, dan Detection maka langkah selanjutnya adalah melakukan perbaikan
berdasarkan nilai RPN tertinggi. Kemudian setelah dilakukan proses perbaikan
maka langkah selanjutnya adalah melakukan proses Control dengan membuat
checksheet dan juga standar operasional prosedur sehingga nantinya perbaikan bisa
dilakukan secara terus menerus. Setelah dilakukan proses perbaikan dengan metode
DMAIC maka didapatkan peningkatan nilai sigma dari yang tadiya 4,59 menjadi
4,88 setelah perbaikan, selain itu persentase scrap berdasarkan total produksi juga
berhasil diminimalisir menjadi 0,11% atau masih dibawah target yang sudah
ditetapkan oleh manajemen yaitu 0,20%. / Scrap is one of the problems that often arises in the production process at PT. X. So
that if not repaired, it will have an impact on various kinds of problems including
the higher cost, and also the late delivery of products to the Next Process. Apart
from that, product defects or scrap also affect customer satisfaction. Improvements
made to minimize bead wire problems are by using the DMAIC method. The
DMAIC method begins by determining Critical To Quality to identify opportunities
for problems that often occur. Next, the data collection process is carried out and
determines the DPMO calculation, sigma value and Pareto diagram with the aim of
determining which items will later be carried out in the improvement process. Next,
an analysis process is carried out in the process area and creates an FMEA related
to Severity, Occurance and Detection. After obtaining the RPN value by
multiplying the Severity, Occurance and Detection values, the next step is to make
improvements based on the highest RPN value. Then, after the repair process has
been carried out, the next step is to carry out the Control process by creating
checksheets and also standard operating procedures so that improvements can be
carried out continuously. After carrying out the improvement process using the
DMAIC method, an increase in the sigma value was obtained from 3.5 to 3. After
the improvement, apart from that, the percentage of scrap based on total production
was also successfully minimized to 0.20% or still below the target set by
management.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Sukma, Albhie Riskiyana NIM01039210005 albhieriskiyanasukma30@gmail.com UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Laurence, Laurence NIDN0328077602 laurence.fti@uph.edu |
Uncontrolled Keywords: | scrap, dmaic, fmea, critical to quality, dpmo |
Subjects: | T Technology > T Technology (General) > T55.4-60.8 Industrial engineering. Management engineering |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Industrial Engineering Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Industrial Engineering |
Depositing User: | ALBHIE RISKIYANA SUKMA |
Date Deposited: | 15 Feb 2024 08:15 |
Last Modified: | 15 Feb 2024 08:15 |
URI: | http://repository.uph.edu/id/eprint/61893 |