scholarly journals Perancangan Lean Manufacturing dengan Menggunakan Waste Assessment Model (WAM) dan VALSAT untuk Meminimumkan Waste (Studi Kasus: PT. XYZ)

2018 ◽  
Vol 7 (1) ◽  
pp. 55
Author(s):  
Tamzil Satria

<p><em>As an industrial company, XYZ Ltd. engaged in beverages should pay attention to the detailed processes of each line of its production. This aims to minimize potential problems which may occur that can cause losses. This research aimed to minimize waste on the production floor by designing  lean manufacturing. Lean manufacturing is an approach that tries to eliminate waste that occurs in the value stream. The method used is Waste Assessment Model (WAM) that functions to identify waste in tea  production, and Value Stream Analysis Tools (VALSAT) which functions to select mappingtools used, based on WAM result. From the research result, it was found out  that the production time of original tea 450 ml took 20,255.4 seconds and the total lead time of product fulfillment for delivery to customers took 13.23 days. The average reject product was 0.65%, exceeding the company maximum standard. Based on the mapping, recommendation for improvement was  given to minimize waste, among others the elimination of Non Value Added (NVA) activity, the application of forecasting, and preventive maintenance activities. This research resulted in the waste identification, which  the biggest waste in this company was defect, decreasing the lead time of production time to become 14,767,4 second faster and Process Cycle Efficiency (PCE) which was increased from 39,12% to 53,66%.</em></p>

2019 ◽  
Vol 5 (1) ◽  
pp. 1-7
Author(s):  
Catur Kusbiantoro ◽  
Ellysa Nursanti

CV. Tanara Textile merupakan salah satu perusahaan tekstil yang termasuk dalam kelompok industri penyempurnaan kain berupa kain kaos. Pada proses produksi di perusahaan masih ditemukan beberapa waste. Penelitian ini bertujuan untuk mengidentifikasi dan menurunkan waste yang terjadi pada proses produksi maka digunakan pendekatan lean manufacturing. Metode Value Stream Mapping (VSM) digunakan untuk pemetaan aliran produksi dan aliran informasi terhadap suatu produk pada tingkat produksi total, melakukan wawancara untuk pembobotan penyebab 7 waste yang sering terjadi pada proses produksi, VALSAT untuk menganalisa pemborosan dari hasil pembobotan yang selanjutnya melakukan detailed mapping tools, serta analisis FMEA untuk mengetahui penyebab kegagalan prosesyang terjadi di lini produksi lalu menghitung nilai RPN tertinggi. Selanjutnya melakukan usulan perbaikan untuk menurunkan waste unnecessary inventory serta menganalisis perbaikan secara berkelanjutan dengan PDCA. Waste terbesar ada pada Unncessary Inventory sebesar 28,571% faktor penyebabnya adalah penumpukan bahan baku, work in process (WIP), sparepart yang tidak terpakai dan penimbunan pada finished goods Sebelum perbaikan proses produksi 16 hari 9 jam dimana Value Added 6 hari 4 jam dan Lead Time 10 hari 4 jam, setelah perbaikan proses produksi menjadi 14 hari 5 jam dimana Value Added 6 hari 4 jam dan Lead Time 8 hari 1 jam, dengan demikian dapat meningkatkan process cycle efficiency sebesar 17,19% dan menghemat lead time sebesar 2,546% dengan penurunan waste sebesar 8,31%


Jurnal IPTEK ◽  
2020 ◽  
Vol 4 (2) ◽  
Author(s):  
Linda Theresia ◽  
Gadih Ranti ◽  
Ray Kreshna

Currently the industry is trying to improve its competitiveness. This makes the manufacturingindustry needs to adapt the Lean-Kaizen concept. Lean-Kaizen means eliminating waste through small improvements made on an ongoing basis. This research takes a case study at PT Inoac Poltechno Indonesia, which is engaged in foam production. The current production target is only 56% of the planned target. Besides that, there are found many defective products and activities that have no added value. Furthermore, a map of the current condition is made to find waste and know the kaizen that will be carried out. Furthermore, a future map was developed with work standardization and Value Stream Mapping to determine activities that have no added value. Calculation of Waste Assessment Model (WAM), shows the biggest waste is defect (26.73%), inventory (15.79%), and waiting (13.35%). This study found that by adding trolley, adding operators, making SOPs, scheduling engine maintenance would make non-value added (NVA) activities decrease from 29.95% to 20.5%. Process Cycle Efficiency increased from 22.31% to 28.25% (thus fulfilling international PCE requirements for the manufacturing industry). Keyword : Lean-Kaizen, productivity, waste


2017 ◽  
Vol 4 (1) ◽  
pp. 47 ◽  
Author(s):  
Muhammad Shodiq Abdul Khannan ◽  
Haryono Haryono

Productivity achievement at PT Adi Satria Abadi (Golf Gloves Division) is not optimal because of<br />the waste. Value Stream Mapping as a Lean Manufacturing tool is used to map the production process<br />and identify and eliminate the waste. The advantage of VSM is its capability to give visual map of value<br />added flow process, necessary but non value added flow process, and non value added flow process. In this<br />study Waste Assessment Model (WAM) also have been implemented to identify the waste. The sequence of<br />three greatest waste are Defect/Reject 24,73%, Unneccessary Inventory 18,80%, and Unneccessary Motion<br />15,44%. This study can reduce production lead time 62,22 minutes and improve the production throughput<br />by 77 pcs.


2017 ◽  
Vol 3 (2) ◽  
Author(s):  
Dion Avellino Suyanto ◽  
Sunday Noya

Fierce competition encourages companies to make continuous improvements to achieve better working efficiency. One method to improve the working efficiency is using the concept of lean manufacturing. The efficiency of the existing work in PT. Rimba Kencana is still not good because there are many processes that are not uniform and because of that, production lead time is increased. By using value stream mapping and value stream analysis tools (VALSAT), the production processes in the company are mapped into the current state mapping and future state mapping. In the current state mapping, the total value of production lead time is 59.49 days and the value of process cycle efficiency (PCE) is 0.013%. After doing improvement on welding department, the total value of production lead time decreased to 48.22 days and the value of process cycle efficiency becomes 0.016%. Keywords: Efficiency, Value Stream Mapping, Value Stream Analysis Tools


2011 ◽  
Vol 110-116 ◽  
pp. 2062-2066 ◽  
Author(s):  
Paramdeep Singh ◽  
Harpuneet Singh

Lean manufacturing has been proved to be an effective management philosophy for improving businesses in a competitive market by eliminating non-value added waste and improving in process operations. Value stream mapping is an important tool used to identify the opportunities for various lean techniques. The present research mainly focuses on the description of a model that is developed to contrast the “before” and “after” scenarios in detail in order to obtain the various benefits such as reduced production lead time, lower work in process inventory [1] and proper utilisation of the workforce. The current manufacturing system has been compared with the proposed pull (Kanban) system which shows the benefits of the proposed lean manufacturing system over the existing traditional manufacturing system. The present research work has been carried out at typical tractor industry which shows 50.5% reduction in total lead time in the future state value mapping of the crank case and the number of operators involved in processing of crank case has also been reduced from 22 to 18.


2016 ◽  
Vol 1 (1) ◽  
pp. 49
Author(s):  
Sumiharni Batubara ◽  
Raden Abdurrahman Halimuddin

PT Oriental Manufacturing Indonesia is a company engaged in the manufacturing industries that produce plastics components for the automotive industry. The main problem that occurs is the target production of Final Assy. Front Door is not reached as a manufacturing lead time (MLT) is too long.The purpose of this research is to reduce the Manufacturing Lead Time (MLT) so that production targets can be achieved. Lean Manufacturing approach used to reduce the waste that occurs. The first step is to create Value Stream Mapping (VSM), which describes the overall process. From the VSM waste can be identified in the some activities (changeover mold) and one activity (final inspection). MLT improvement performed by using Single Minute Exchange of Dies on mold changeover activity and Left Hand Right Hand Mapping on the final inspection process. As the result of improvement, the value of process cycle efficiency has increased by 11.35% from 36,88% to 48,55%. Manufacturing Lead Time has decreased from 35.327 seconds to 26.834 seconds.


2016 ◽  
Vol 14 (2) ◽  
pp. 299 ◽  
Author(s):  
Wahyu Adrianto ◽  
Muhammad Kholil

Engine maintenance strives to always improve its service excellence with tools such as gate system where the system is expected to realize the lead time for 60days. In the implementation of the gate system is still not able to meet the expected target. During maintenance or overhaul the engine is still encountered waste or waste that causes the target cannot be met. Lean Manufacturing is an approach that aims to minimize waste that occurs in the process flow.Understanding the conditions of the process described in Value Stream Mapping for further elaborate activities that have the value-added and non-value added.Through seven waste concept, then be weighted to determine the most dominant type of waste.From the data processing is obtained that through the Value Stream Mapping is known gate 1 and gate 3 is the point that there are many wastes. Weighting and ranking of seven existing waste in the process of the activity obtained results in the form of a waste critical sequence of seven existing waste. Highest weights on the type of waste waiting with a weight of 0.38. Results of Root Cause Analysis in mind that the root cause of waste waiting for that data is maintained, the lack of attention to people development, There are still bugs in the system and miscommunication.


INSIST ◽  
2017 ◽  
Vol 2 (1) ◽  
pp. 6
Author(s):  
Dessy Agustina Sari ◽  
Sukanta Sukanta

Abstract—Higher competition in businesslike field demanded each company acted as a value creator with progressive fixing performance. One of effort in increasing productivity was reducing waste. Enterprise T have seven type of extravagance were over production, transportation, inventory, over processing, motion waiting and defect. Minimize waste have bond with production time which could increase efficiency on using electricity and decreased lead time. Production process in this company showed non-value added time such as excessively material transportation in picking area and so the workers too much waited for the next schedule activity. This condition caused higher product lead time. Lean manufacturing idea necessary was implemented with using tool Value Stream Mapping – VSM. This strategy would resumed for the company maintenance and the result showed that lacking as much 26,45% of lead time could be a problem solution. Reducing lead time could be higher if the company have applied and played continue improvement.Keywords—lead time, lean manufacturing, value stream mapping.


2018 ◽  
Vol 197 ◽  
pp. 14004 ◽  
Author(s):  
Ukurta Tarigan ◽  
Uni Pratama P Tarigan ◽  
Akbar Rizky Rifangi

The problem experienced by the manufacturing company that produces soap bars is the waste in its production process. The research objective is to reduce waste in the production process flow in terms of distance of displacement of the material nor heap of material of the production process of laundry soap bars so it can increase the productivity. To solve the problem, implementation integration of lean manufacturing and BLOCPLAN algorithm is used. In the early stages, value-added activities and activities that are not value-added is identified through the depiction of value stream mapping, and value-added activities that are not reducible to the application of the principle of 5W and 1H. To get the total minimal distance to move materials, it is necessary to re-layout production facilities with BLOCPAN algorithm. Future state mapping is used to get an idea of the final result, in which all non-value added activities can be reduced, and the shorter lead time obtained in the production process. With the application of those two methods, process cycle efficiency is increased 33.62% resulting in increased productivity of the company amounted to 204 packs of soap bars each day.


2017 ◽  
Vol 7 (2) ◽  
Author(s):  
Iveline Anne Marie ◽  
Dedy Sugiarto ◽  
Dara Mustika

There were wastes in the supply chain flow of PT. XYZ which leads to long lead time in the delivery of customer orders. The result is that the company's planned delivery targets are not fulfilled. The objective of this research is to identify waste and cause of waste and to propose improvement to eliminate waste in PT XYZ supply chain so as to reduce lead time and achieve delivery target as an effort to improve company performance with Lean Supply Chain approach. In this research we use VALSAT to minimize waste and non value added activities in supply chain flow. Based on Value Stream Mapping and analysis of waste we proposed improvements that is application of acceptance sampling method on raw material inspection, application of p control chart on assembling process and store warehouse, 2 days battery storage time limit with kanban card proposed and also change of process sequence of lead part casting. Based on the projection, we got the decrease of manufacturing lead time and the increase of process cycle efficiency from 51.47% to 73.69%.


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