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All Journal JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Jurnal Ilmiah Dinamika Rekayasa (DINAREK) JRSI (Jurnal Rekayasa Sistem dan Industri) Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri JURNAL REKAYASA SISTEM INDUSTRI Specta Journal of Technology Journal of Industrial Engineering Matrik : Jurnal Manajemen dan Teknik Industri Produksi Jurnal Media Teknik dan Sistem Industri Jurnal Riset Akuntansi Soedirman Journal of Research in Industrial Engineering and Management Journal of Industrial and Mechanical Engineering
Ayu Anggraeni Sibarani
Universitas Jenderal Soedirman
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Journal : Specta Journal of Technology

 1 
Penerapan Metode Six Sigma dalam Analisis Kualitas Produk (Studi Kasus Perusahaan Pemroduksi Baja Tulang Beton) Afrizal Faturochman; Indro Prakoso; Ayu Anggraeni Sibarani; Katon Muhammad
SPECTA Journal of Technology Vol. 4 No. 2 (2020): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (530.938 KB) | DOI: 10.35718/specta.v4i2.189

Abstract

The development of the industrial world from the manufacturing sector must always be carried out by each manufacturing company so that the products marketed are not dead in the market because they are less competitive than their competitors. This is what drives companies to always supervise and make improvements to improve the quality of the products produced. PT.XYZ is one of the manufacturing companies engaged in the national steel industry whose main activity is producing concrete reinforcement steel with the main raw material being hot billets. In carrying out its production, PT.XYZ is not uncommon to find the products that are rejected due to defects. This research was conducted to analyze the number of defective goods produced with the aim that the quality of the products obtained increases and the level of income obtained is more leverage using the Six Sigma method. Cause and effect diagrams (fishbone diagrams) and Pareto diagrams are also used in this study to determine the causes of existing problems and the scale of priority problems that must be solved first. Based on the calculation of the percentage of damage, it can be concluded that there are four cases of the highest defect products, namely: 63.93% non-standard length, 15.51% ear defects, 12.67% digestion, and 7.9% cracking. At the end of this study, the results show that the capability and sigma value of company performance in improving product quality amounted to 7916.2 DPMO with a sigma value of 3.916.
Analisis Cacat Produk pada Proses Pengelasan Pipa Penstock (Studi Kasus: PT. XYZ) Katon Muhammad; Fadhila Rifda Azka Syailendri; Ayu Anggraeni Sibarani
SPECTA Journal of Technology Vol. 4 No. 3 (2020): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1175.23 KB) | DOI: 10.35718/specta.v4i3.225

Abstract

Bidang hidromekanikal merupakan bidang yang cukup kompleks untuk digeluti sebagai bidang usaha. Objek dari studi kasus pada penelitian ini adalah perusahaan yang menjadi kontraktor bangunan hidromekanikal dan komponennya seperti bendungan, pintu air, dan lainnya dari mulai proses pembuatan atau produksi komponen, perakitan, pengujian hingga instalasi di lapangan. Dengan sistem produksi engineering to order pada perusahaan, rana kualitas produk cukup signifikan untuk memenuhi permintaan customer. Produk yang memiliki cacat (defect) memang ada beberapa yang dapat diperbaiki, tetapi hal itu membuat cost perusahaan bertambah banyak untuk pengerjaan ulang dan membutuhkan waktu produksi lebih lama. Dari hal ini dapat diketahui pentingnya perbaikan dan pengendalian kualitas pada produk yang dihasilkan oleh perusahaan. Penelitian ini bertujuan untuk mengetahui penyebab terjadinya cacat pada proses pipa penstock. Mengidentifikasi, mengukur, dan menganalisis penyebab terjadinya cacat pada pengelasan proses pipa penstock dan Mengetahui improvement apa yang dibutuhkan perusahaan untuk meningkatkan kualitas pengelasan pipa penstock. Metode yang digunakan dalam penelitian ini adalah Six Sigma di mana metode ini berfokus terhadap permasalahan kualitas produk dan dapat digunakan untuk dapat melakukan perbaikan pada proses produksi dan dapat menanggulangi terjadinya cacat produk. Dari hasil penelitian didapatkan bahwa cacat las yang paling signifikan terdapat pada pipa penstock adalah porosity dan slag inclusion dengan persentase kumulatifnya sebesar 98,5%. Didapatkan pula nilai sigma dengan DPMO sebesar 73.430,49 adalah 2,951 σ. Rekomendasi untuk dapat menanggulangi cacat produk dibuat untuk dapat menanggulangi agar cacat produk yang ada nantinya dapat diminimasi.
Prototype Game Education Number Box Toys sebagai Upaya Mengembangkan Keterampilan Kognitif dan Motorik Anak Prakoso, Indro; Ayu Anggraeni Sibarani; Sarah Nurmalawati; Valent Okky Nurcahya
SPECTA Journal of Technology Vol. 8 No. 1 (2024): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v8i1.1080

Abstract

Number Box Toys are children’s toys for children aged 1 to 4 years, designed to help children develop their cognitive and motor skills and learn about different number shapes and colors, including the number 0 to 9. The aim of developing this educational game prototype is to provide a visual image of the product and determine the production cost of the Number Box Toys product which is manufactured using 3D printing machine. Before making a prototype, Number Box Toys product design was created in 2D and 3D using Solidwork software, and then a Bill of Materials (BOM) and Operation Process Chart (OPC) were created. When producing the Number Box Toys prototype, simulation software was used using the Creality Slicer application to show the total time required to produce a Number Box Toys product, which was approximately 1803,78 minutes or 30,063 hours. The total time required to complete the entire operation process chart of Number Box Toys is 1822,78 minutes or about 30,38 hours, with details of 57 operation processes and 18 inspection processes. The results of calculating the production cost of the Number Box Toys educational game based on the total time required, material prices and labor costs resulted in a production cost value of Rp 404.690,89 and the selling price is Rp 465.383,03 with a profit of 15% of the cost price is Rp 60.702,13. There is a significant price difference compared to similar products sold on the market because Number Box Toys’ product prototype is made using 3D printing process, which requires a lot of time to make each part but has a size or shape that can be customized to suit the consumer.
Co-Authors Afrizal Faturochman Ajeng Dian Purnamasari Aji, Pandu Wahyu Anggis Prasita Wahyu Pangesti April Yanti Bilqis Adilah Yudityaningsih Dewanto, Rizky Ramdhani Dewi Susilowati Dewi Tria Setyaningrum Fadhila Rifda Azka Syailendri Faiz Khoeril Anam Fanny Mulya Kirana Faujiyah, Firdhani Indro Prakoso Jayawarsa, A.A. Ketut Julialevi, Karina Odia Lutfiana, Hilda Muhammad Ilwas fathyudha Muhammad, Katon Muthia Atikah Riza Nadia Illiyastia Prasetyo, M. Agung Rafi Triyanto Rahayu Ningrat, Siti Kurnaesih Rani Aulia Imran Rasyad Nursyaban Asshafly Rasyid Arya Reswara Putra Reina Stevani Putri Sarah Nurmalawati Setyaningrum, Dewi Tria Silmi Saffanah Sadjugo Sri Ambarwati Sugeng Waluyo Suprianto Suprianto Syahrullah, Yudi Tigar Putri Adhiana Tosalili, Muhammad Baharuddin Wahid Valent Okky Nurcahya Vendy Mohammad Abdul Fatah Whimpi Hasta Robbi Yogi Purnomo