scholarly journals Perancangan Perbaikan Proses Produksi Komponen Bodi Mobil Daihatsu dengan Lean Manufacturing di PT. “XYZ”

2020 ◽  
Vol 5 (2) ◽  
pp. 122-129
Author(s):  
Satria Khalif Isnain ◽  
Putu Dana Karningsih
Keyword(s):  
Production Process ◽  
Lean Manufacturing ◽  
Early Observation ◽  
Borda Count ◽  
Value Stream Mapping ◽  
Positive Signal ◽  
Effect Analysis ◽  
Value Stream ◽  
Potential Market ◽  
Product Part

Astra Daihatsu Motor Company. Potential market for automotive is continuously growing which is positive signal for automotive businesses. However nowadays competition is also getting stronger. Therefore PT Inti Pantja Press Industri should efficiently manage their production. One way is by reducing and eliminating waste in its production. Production process in PT. Inti Pantja Press Industri is still having several problems. Based on early observation there are bottleneck in subassy processes and also defective product. Reffering to these problems, it can be indicated that there are several waste in production process of PT. Inti Pantja Press Industri.Therefore, Lean Manufacturing  approach  is  utilized  to  reduce  or  eliminate  waste  in  production processes. First,   various waste are identified using Value Stream Mapping. Borda Count Method is used for determining critical waste that occur, they are as follow: waste waiting, defect, and overproduction that cause over inventory finish product. Then, 5 Whys Analysis specifies root causes of waste waiting and waste defect. By using Failure Mode and Effect Analysis, highest priority of root causescan be selected, which are  operator  do  not  clean  dies  before  press  process,  operator  do  not  replace components that has already over its lifetime (wear) and rust on finish product part. Recommendations for improvements are conducted by implementating Poka Yoke method,  they  are:  installation  of  sensors  and  equipment  in  Press  machines  and wrapping finish part product.

scholarly journals Penerapan Lean Manufacturing untuk Mengurangi Waste pada Produksi Absorbent

2018 ◽  
Vol 4 (1) ◽  
pp. 23 ◽  
Author(s):  
Agung Ravizar ◽  
Rosihin Rosihin
Keyword(s):  
Production Process ◽  
Lean Manufacturing ◽  
Quantitative Data ◽  
Lead Time ◽  
Historical Data ◽  
Mapping Method ◽  
Production Costs ◽  
Value Stream Mapping ◽  
Value Stream ◽  
Process Speed

This study aims to reduce the waste that occurs on each workstation and has an impact on increasing productivity and reducing production costs caused by waste that occurs during production. The data used for this study is quantitative data obtained by direct observation to the relevant departments regarding the problem of identifying waste that occurs — data taken from observations as much as 30 times the collection of data and historical data used from January 2016 to June 2017. By using the value stream mapping method on lean manufacturing, it can be seen that there are five types of waste from the existing seven waste. The five wastes are unnecessary motion, waiting, reject, transportation and in-process processes. From the results of the value stream mapping carried out a reduction in waste on each workstation with a total reduction of waste that occurs at 66.97 tons / year or 18.6% on waste gel and 88.8 tons / year or 19.3% at waste powder and there was a reduction in the changeover process for 45 minutes or 12.16% of the total changeover time before the improvement. Also, there was also an increase in the production process speed of 2 minutes 47 seconds or 4.52% from the lead time of the previous production process, 61 minutes 34 seconds to 58 minutes 47 seconds.

scholarly journals Identifikasi dan Eliminasi Pemborosan Aktivitas pada Proses Produksi Suku Cadang dengan Pendekatan Lean Manufacturing

2019 ◽  
Vol 12 (2) ◽  
Author(s):  
Agustian Suseno ◽  
Hengky Hengky
Keyword(s):  
Human Resources ◽  
Production Process ◽  
Production System ◽  
Lean Manufacturing ◽  
Material Handling ◽  
Spare Parts ◽  
Value Stream Mapping ◽  
Lot Size ◽  
Value Stream ◽  
Engine Maintenance

PT. Trijaya Teknik Karawang is a manufacturing company that produces spare parts, namely the piece pivot. The increased demand make the company parties need to analyze the ability to do the production to make it more effective and efficient in order to win the competition. Preliminary observations on the production floor they still present problems that are categorized as waste. Based on it, lean manufacturing Approach used to solve these problems. First of all the waste identified by mapping the flow of production using Value Stream Mapping (VSM). Then determined the dominant waste going through weighting waste using Waste Assesment Model (WAM) with the result that the inventory is the dominant waste. Next choose a detail mapping tools with Value Stream Analyze Tools (VALSAT) and determine the cause of waste inventory with fishbone diagrams that result, the causes of waste inventory is the breakdown of the machine, the operator of conduct material handling and less nimble, the distance between the machine and the system far, the production batch manufacture. Recommendations for improvements are the application of the system production of one-piece flow with investing buying transfer dies and adds to the human resources division maintenance. The identification of the problem causing factors of the dominant waste activity, namely waste inventory using Fishbone diagrams is lack of engine maintenance because it does not have a maintenance division and the production system used is batch manufacture that produces goods in lot size so that there are WIP parts in each production process.

scholarly journals Improvement of Artistic Cast Production System

2017 ◽  
Vol 17 (3) ◽  
pp. 143-148
Author(s):  
R. Władysiak ◽  
T. Pacyniak ◽  
J. Trzoska
Keyword(s):  
Production Process ◽  
Production System ◽  
Lean Manufacturing ◽  
Production Costs ◽  
Value Stream Mapping ◽  
Value Stream ◽  
Current State ◽  
Production Improvement ◽  
Cast Production ◽  
Lower Production

AbstractThe paper presents the technology and organization of the artistic cast production. On the basis of the actual cast production system, the manufacturing process was shown, in particular sand–piece moulding, which is a very important process and a time-consuming part of the entire manufacture of the casts. The current state of the production process as well as the organization of the work and production technology were analysed with the use of methods and techniques of production improvement, the Lean Manufacturing concept and computer systems. The results of the analysis and studies were shown with use of schemes and graphs of the layout of the production resources, a flow chart of the production process, value stream mapping, and a costs table for the production and modernization of the moulding stage. The work has shown that there are possibilities to improve the artistic cast production system. This improvement leads to increased productivity, lower production costs of artistic casts and increased competitiveness of the foundry.

scholarly journals Penerapan Lean Manufacturing dengan Metode VSM dan FMEA untuk Mereduksi Pemborosan Produksi Sarden

2020 ◽  
Vol 13 (1) ◽  
Author(s):  
Haris Dwi Armyanto ◽  
Dwi Djumhariyanto ◽  
Santoso Mulyadi
Keyword(s):  
Production Process ◽  
Failure Mode ◽  
Waiting Time ◽  
Lean Manufacturing ◽  
Waiting Times ◽  
Raw Material ◽  
Value Stream Mapping ◽  
Production Flow ◽  
Value Stream ◽  
Current State

CV.X merupakan salah satu perusahaan pengolahan sarden yang terletak di Banyuwangi. Pada proses produksi di perusahaan masih ditemukan beberapa pemborosan (waste). Untuk mengurangi pemborosan yang terjadi digunakan pendekatan lean manufacturing dengan metode Value Stream Mapping (VSM) untuk pemetaan aliran produksi dan aliran informasi terhadap proses produksi dari awal bahan baku hingga produk jadi dan dikirim ke konsumen, serta analisis dengan metode Failure Mode and Effects Analysis (FMEA) untuk mengetahui penyebab kegagalan proses yang paling prioritas dan perlu dilakukan perbaikan dengan segera. Identifikasi pemborosan diawali dengan penggambaran current state map, lalu dilakukan analisis pemborosan ke dalam kategori 7 pemborosan [1]. Pada analsis tersebut ditemukan 3 jenis pemborosan yaitu waiting time, unnecessary inventory dan defect (kembung). Setelah itu dilakukan analisis akar penyebab timbulnya pemborosan menggunakan fishbone diagram, dan analis FMEA untuk mengetahui nilai RPN tertinggi yang selanjutnya akan menjadi prioritas pemberian usulan perbaikan yang tepat dan sesuai dengan masalah dan kondisi proses produksi sarden 125g di CV.X. Rekomendasi perbaikan yang diberikan terhadap pemborosan dengan nilai RPN tertinggi antara lain Menambahkan mesin pencuci produk untuk mengurangi penumpukan produk dan waktu tunggu yang ada sehingga pemborosan waiting time dan unnecessary inventory dapat berkurang, mengganti sarung tangan kain dengan lateks, serta menjaga kebersihan nampan ikan. CV.X is a sardine processing company located in Banyuwangi. In the company production process there are some wastes. To reduce the waste that occurs, lean manufacturing approach using Value Stream Mapping (VSM) method is used to map the production flow and information flow to the production process from the beginning of the raw material to the finished product and sent to consumers, as well as analysis using the Failure Mode and Effects Analysis (FMEA) method. ) to find out what causes the most priority process failures and needs immediate improvement. Waste identification is preceded by a depiction of the current state map, then waste analysis is conducted into category 7 waste. In this analysis, there are 3 types of waste, which are waiting time, unnecessary inventory and defects. After that an analysis of the root causes of waste occurs using fishbone diagrams, and FMEA analysts to find out the highest RPN value which will then be prioritized for giving recommendations for an appropriate improvement and in accordance with the problems and conditions of the 125g sardine production process in CV.X. Improvement recommendations given for waste with the highest RPN value include adding a product washer to reduce product buildup and waiting times so that waiting time and unnecessary inventory waste can be reduced, replacing cloth gloves with latex, and keeping the fish tray clean.

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

2020 ◽  
Vol 7 (2) ◽  
pp. 143
Author(s):  
Reni Dwi Astuti ◽  
Lathifurahman Lathifurahman
Keyword(s):  
Failure Mode ◽  
Six Sigma ◽  
Lean Manufacturing ◽  
Fish Bone ◽  
Lean Six Sigma ◽  
Value Stream Mapping ◽  
Effect Analysis ◽  
Value Stream ◽  
Transportation Motion

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.

scholarly journals ANALISIS PENERAPAN KONSEP LEAN MANUFACTURING PADA PROSES PRODUKSI STAINLESS STEEL COIL UNTUK MEREDUKSI PEMBOROSAN (WASTE) DI PT. XYZ

JUMINTEN ◽  
2021 ◽  
Vol 2 (2) ◽  
pp. 120-131
Author(s):  
Ivonne Rakha Salsabila ◽  
Rr. Rochmoeljati
Keyword(s):  
Stainless Steel ◽  
Failure Mode ◽  
Lean Manufacturing ◽  
Rolling Mill ◽  
Value Stream Mapping ◽  
Effect Analysis ◽  
Steel Coil ◽  
Value Stream ◽  
Set Up ◽  
Stainless Steel Coil

PT. XYZ merupakan perusahaan manufaktur yang bergerak dalam bidang produksi Stainless Steel Coil. PT. XYZ berharap dapat mengurangi pemborosan dalam proses produksinya, sehingga perusahaan dapat mendapatkan laba yang lebih besar dan mampu bersaing di industri saat ini. Tujuan dari penelitian yang dilakukan adalah untuk mengidentifikasi, mereduksi dan memberikan usulan perbaikan terhadap pemborosan (waste) pada proses produksi Stainless Steel Coil. Metode yang digunakan adalah konseplean manufacturing dengan tools value stream mapping dan bantuan metode Failure Mode and Effect Analysis (FMEA). Berdasarkan hasil penelitian pada value stream mapping didapatkan reduksi waktu dari 461 menit atau 27.660 detik menjadi 416 menit atau 24.960 detik. Berdasarkan Failure Mode and Effect Analysis (FMEA) diketahui akar penyebab masalah pada pemborosan (waste) tertinggi adalah Set up hot bucket yang kurang sesuai dan terjadi unplanned downtime atau kurang perawatan mesin. Rekomendasi perbaikan yang dapat diusulkan yaitu pembuatan jadwal pengurasan atau pembersihan hot bucket serta pengetatan terhadap set-up waktu hot bucket dan memperketat jadwal perawatan atau maintainance pada mesin Rolling Mill.

Value Stream Evaluation and Simulation to Improve Material Flow and Productivity

2014 ◽  
Vol 612 ◽  
pp. 89-95 ◽  
Author(s):  
B. Vijaya Ramnath ◽  
Vishal Chandrasekhar ◽  
C. Elanchezhian ◽  
L. Bruce Selva Vinoth ◽  
K. Venkatraman
Keyword(s):  
Production Process ◽  
Material Flow ◽  
Lean Manufacturing ◽  
Current System ◽  
Value Added ◽  
Value Stream Mapping ◽  
Value Stream ◽  
Production Processes ◽  
Future State ◽  
Increase In Productivity

The main objective of this paper is to improve the productivity of a carburetor production processes using lean manufacturing technique. The current system of the carburetor production process has been mapped using electronic Value Stream Mapping (eVSM) tool which is a lean manufacturing tool and the wastages in the current system are identified. Then future state was drawn by using eVSM tool which has an enhanced process ratio by decreasing maximum possible waste in the production process. The current and future state of the carburetor production has been created as model and simulated using Arena software. The simulation shows a significant decrease in Non-Value added time and production lead time, thereby indicating increase in productivity and better work flow in production processes.

scholarly journals Example of Using Lean Manufacturing Tools in Assessing and Improving the Process of Car Arm Rest Production

2018 ◽  
Vol 1 (1) ◽  
pp. 217-222
Author(s):  
Michał Molenda ◽  
Aneta Biernot ◽  
Helena Cierna
Keyword(s):  
Production Process ◽  
Lean Manufacturing ◽  
Process Condition ◽  
Value Stream Mapping ◽  
Process Assessment ◽  
Original Condition ◽  
Value Stream ◽  
Organizational Issues ◽  
Manufacturing Company ◽  
Single Production

Abstract The paper deals with the use of Lean Manufacturing tools in improving the production process of car arm rests in a car manufacturing company in Poland. The article describes the original condition of a single production process of assembling ready pieces to produce car arm rests. The original condition was assessed and described with the use of some basic Lean indicators and value stream mapping. The aforementioned tools allowed to assess the process condition and to identify the organizational issues and their sources. It also enabled to reorganize the process and increase its efficiency. The further part of the article describes the results of improvement actions. The process assessment was held and improvements introduced in the first quarter of 2018.

scholarly journals Minmasi Waktu Produksi Sepatu Allstar Type Chuck Taylor Low Cut Menggunakan Value Stream Mapping (VSM) dan Penjadwalan

2017 ◽  
Vol 1 ◽  
pp. 26
Author(s):  
Widy Setyawan ◽  
Iwan Maifal
Keyword(s):  
Production Process ◽  
Information Flow ◽  
Waiting Time ◽  
Lean Manufacturing ◽  
Completion Time ◽  
Machine Scheduling ◽  
Idle Time ◽  
Value Stream Mapping ◽  
Value Stream

Abstract— CV.Cipendawa is a shoe company, which was established in 2005. The brand of goods produced is Allstar shoes, which become main products. Problems that occur in the process of shoe production Allstar is a waste in the form of idle time (idle time). Waste in the form (idle time) occurs because the company does not pay attention to the existence of alternative Allstar shoe assembly making the engine scheduling less good. This research is done by using lean manufacturing and machine scheduling, in lean manufacturing concept in using the operation of process chart (OPC) and value stream mapping (VSM) to describe the value in production process which includes material and information flow. While the machine scheduling is used to reschedule the production process of Allstar shoes so it is expected to reduce waste. The purpose of this research is to minimize the time of completion of production by paying attention to the assembly alternatives on the production floor. The results of this study indicate that with the scheduling of machines that pay attention to the order of prakitan get the completion time of production of 718 seconds and the waiting time of 114 seconds.dan on making a single shoe score add value of 7102 seconds Keyword : value stream mapping and Scheduling machine.

scholarly journals Peningkatan Produktivitas Leaf Spring Jenis Minicup Tipe MMS 2230 dengan Mengurangi Pemborosan Proses Produksi Melalui Penerapan Metode Lean Manufacturing

2021 ◽  
Vol 10 (1) ◽  
pp. 89-100
Author(s):  
Suparno Suparno ◽  
Agus Selamet Susanto
Keyword(s):  
Lean Manufacturing ◽  
Value Stream Mapping ◽  
Leaf Spring ◽  
Effect Analysis ◽  
Productivity Level ◽  
Value Stream ◽  
Mode Effect ◽  
Mapping Analysis ◽  
Fishbone Diagram ◽  
Failure Mode Effect Analysis

PT. Indospring is a manufacturing company that produces various springs for an automotive. Among those various springs, MSM 2230 type is the most produced spring at the company. The big problem in producing the spring was related with the high waste that had impact on the low productivity. The purpose of study was to analyze the waste by using the concept of lean manufacturing particularly to identify and eliminate nonvalue added activities. The study found that there were various wastes which waiting and excessive transportation were two dominant wastes with the contribution to total of wastes at 28.96% and 18.52% respectively. The appropriate tool for further analysis on wastes was selected by using value stream mapping analysis (VALSAT), and process activity mapping (PAM) was the best tool for analyzing wastes more profoundly. The use of PAM and other tools of fishbone diagram and failure mode effect analysis (FMEA) provided important information for improvement. The implementation of improvement displayed potential increase of productivity level by reducing the processing time of the spring from 113,926.83 minutes to 75,960 minutes

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