scholarly journals Melhoria na flexibilização e aumento de produtividade de uma linha de montagem de uma empresa do setor de autopeças através da alteração do arranjo físico do processo

2021 ◽  
Vol 10 (16) ◽  
pp. e124101623403
Author(s):  
Juliane Ayumi Komiya ◽  
João Nazareno Nonato Quaresma
Keyword(s):  
Production Line ◽  
Assembly Line ◽  
Negative Impact ◽  
Multinational Companies ◽  
Current Situation ◽  
Customer Demand ◽  
Manufacturing Cells ◽  
Production Processes ◽  
Productivity Increase

Due to the constant competitiveness among the multinational companies nowadays, these companies intensely seek agility and flexibility in their production processes, so that they can respond quickly to variations in their demands, eliminating waste and making their processes leaner and more competitive. Following this trend, the present work had as a proposal and purpose to restructure the layout of a conventional assembly line (linear layout) for U-shaped manufacturing cells, and it is intended in this way to obtain flexibility improvement and productivity increase of the process. The applied methodology was developed from bibliographical research and analysis of the current situation, where a mapping of the processes was done in order to identify the wastes that had a negative impact on the production line. As for the factors that had a negative impact to the process, it was found that there was a need to change the layout of the production line. As the main results related to the restructuring, there is an increase of 6% in productivity per person, a reduction of approximately 30% in the movements of operators in the process, and an improvement in the flexibility of the assembly line, adapting it according to the variation in customer demand.

A Productivity Improvement of a Packing Line

2015 ◽  
Vol 789-790 ◽  
pp. 1240-1244
Author(s):  
Peeyapach Jitchaiyaphum ◽  
Suksan Prombanpong
Keyword(s):  
Production Line ◽  
Assembly Line ◽  
Waste Reduction ◽  
Line Balancing ◽  
Assembly Lines ◽  
Customer Demand ◽  
Productivity Improvement ◽  
Manual Assembly ◽  
Line Design

The purpose of this paper is to demonstrate a productivity improvement through waste reduction and line balancing. One of the obstacles of a manual assembly line nowadays is an awkward line design with over manpower, a lot of wastes, and low balance efficiency. As a result, the production line may not satisfy customer demand and ends up with low production line efficiency. This is due to the fact that this type of production line is operated by human and the customer demand or requirements are frequently fluctuated. Human workers are prone to make mistakes, inefficient, and unorganized. Thus, the major causes of production line down time are discussed with suggestion of remedy actions to improve the productivity. In addition, calculation of line balancing is demonstrated. One of the actual manual assembly lines will be used as a case study. It is found that after improvement line balance efficiency is increased from 46.49 to 86.66 percent with the productivity improvement of 159 percent.

Environmentally friendly automated line for recovering aluminium and lithium iron phosphate components of spent lithium-iron phosphate batteries

2021 ◽  
pp. 0734242X2098206
Author(s):  
Haijun Bi ◽  
Huabing Zhu ◽  
Jialin Zhan ◽  
Lei Zu ◽  
Yuxuan Bai ◽  
...  
Keyword(s):  
Production Line ◽  
Lithium Iron Phosphate ◽  
Negative Impact ◽  
Economic Cost ◽  
Iron Phosphate ◽  
Dust Collector ◽  
Gas Treatment ◽  
Pneumatic Separation ◽  
Automated Line ◽  
The Impact

Lithium iron phosphate (LFP) batteries contain metals, toxic electrolytes, organic chemicals and plastics that can lead to serious safety and environmental problems when they are improperly disposed of. The published literature on recovering spent LFP batteries mainly focuses on policy-making and conceptual design. The production line of recovering spent LFP batteries and its detailed operation are rarely reported. A set of automatic line without negative impact to the environment for recycling spent LFP batteries at industrial scale was investigated in this study. It includes crushing, pneumatic separation, sieving, and poison gas treatment processes. The optimum retaining time of materials in the crusher is 3 minutes. The release rate is the highest when the load of the impact crusher is 800 g. An air current separator (ACS) was designed to separate LFP from aluminium (Al) foil and LFP powder mixture. Movement behaviour of LFP powder and Al foil in the ACS were analysed, and the optimized operation parameter (35.46 m/s) of air current speed was obtained through theoretical analysis and experiments. The weight contents of an Al foil powder collector from vibrating screen-3 and LFP powder collector from bag-type dust collector are approximately 38.7% and 52.4%, respectively. The economic cost of full manual dismantling is higher than the recovery production line. This recycling system provides a feasible method for recycling spent LFP batteries.

scholarly journals Relevance of Low Inflation in the Southeastern European Countries

2016 ◽  
Vol 5 (2) ◽  
pp. 41-63
Author(s):  
Slobodan Lakić ◽  
Damir Šehović ◽  
Mimo Drašković
Keyword(s):  
Exchange Rates ◽  
Psychological Factors ◽  
Negative Impact ◽  
Multinational Companies ◽  
East Europe ◽  
South East Europe ◽  
Inflation Rates ◽  
Exchange Regime ◽  
Flexible Exchange Rates

Abstract The paper starts from the assumption that the significant reduction of the inflation problem is a result of the long-term dynamics of economic growth in countries with developing markets and, as a result, operational inability of multinational companies to increase accumulation through the policy of raising prices by creating space for their full expansion. We believe that in such circumstances civil theories on the causes of inflation are dominantly of class character. We check negative repercussions of low inflation on the examples of the countries of South-East Europe, in the regimes with fixed and flexible exchange rates, and with different strategies of monetary policy. We conclude that destructive implications of the financial crisis and psychological factors have a negative impact on a sustainable low-inflation environment, regardless of the monetary-exchange regime. We propose that low and stable inflation rates can be followed by a series of negative implications for the overall economic system, which our analysis of the observed countries proves.

scholarly journals Implementation of Lean Manufacturing in a Cement Industry

2021 ◽  
Vol 11 (3) ◽  
pp. 7069-7074
Author(s):  
M. Masmali
Keyword(s):  
Production Line ◽  
Lean Manufacturing ◽  
Production Control ◽  
Value Added ◽  
Cement Industry ◽  
Shop Floor ◽  
Value Stream Mapping ◽  
Cement Production ◽  
Work In Process ◽  
Production Processes

The lean manufacturing concept is a systematic minimization of waste and non-value activities in production processes introduced by the Toyota production system. In this research, lean manufacturing is implemented in a cement production line. Value Stream Mapping (VSM) is applied to give a clear picture of the value chain in cement production processes and to highlight the non-value-added in the shop floor. To begin, the existing VSM is constructed based on the information and data gathered during visiting and observing the manufacturing process in the firm. As a result, the excess inventory between workstations was identified as a major waste generation, hence, the proposed VSM conducts further improvement and makes action plans to alleviate the unwanted activities. Then, the takt time to ensure smooth material flow and to avoid any occurring delay or bottleneck in the production line was figured out. The supermarket pull-based production control is suggested to be adopted in the future map. Two pull production strategies are selected in this case. The first is applying the Kanban system to control the level of inventory between workstations. The other is the CONWIP approach to control the amount of work in process to the entire production line. The outcome of the proposed models indicates a decrease of the none-value time from 23 days in the current state to about 4 and 2 days in Kanban and CONWIP systems respectively, so the CONWIP was suggested as most efficient. Some suggestions for further research are also mentioned.

scholarly journals Complex approach to organizations’ capital assets reproduction

2020 ◽  
Vol 157 ◽  
pp. 04026 ◽  
Author(s):  
Aleksandr Birjukov ◽  
Evgeniy Dobryshkin ◽  
Yurii Birjukov ◽  
Vladimir Tishchenko
Keyword(s):  
Working Conditions ◽  
Negative Impact ◽  
Technical Condition ◽  
Joint Estimation ◽  
Mathematical Apparatus ◽  
Production Processes ◽  
Capital Assets ◽  
Industrial Buildings ◽  
Complex Approach ◽  
The Given

Effective production activities of organizations is impossible without the concept implementation of the constant reproduction of capital assets, a significant part of which is represented by buildings and structures for various functional purposes. Increased deterioration of industrial buildings does not allow to solve such important tasks as improvement and automation of production processes in their entirety, and has a negative impact on the working conditions and safety of personnel. The analysis of scientific and normative literature is showed that the issue under consideration requires further research. Author’s approach to the reproduction of capital assets, the use of which allows to increase the management decisions efficiency on the basis of a complex of tasks for the joint estimation of damage and deterioration, planning of works under the given constraints with the use of mathematical apparatus and technological solutions for monitoring the technical condition of buildings is presented in the article.

Study on Multi-Specification Small-Batch Line Balancing and Optimization Base on the Streamline Balancing

2014 ◽  
Vol 635-637 ◽  
pp. 1952-1955 ◽  
Author(s):  
Ji Jun Xiao ◽  
Shu Ou ◽  
Qing Hua Zhou ◽  
Hao Dong
Keyword(s):  
Production Line ◽  
Assembly Line ◽  
Mixed Model ◽  
Balance Method ◽  
Line Balancing ◽  
Workplace Design ◽  
Work Processes ◽  
Batch Production ◽  
Line Balance ◽  
Assembly Line Balance

Based on the principal concepts of streamline balance, this paper analyses the issue of the line balancing, through analyzing traditional assembly line balance method and having the bottleneck work processes to amend the parameters of the Workplace design, and then building up a multi-variety small-batch production line balancing mixed-model.

scholarly journals Two-Sided assembly line balancing to minimize number of workstation with considering the relationships between tasks

2018 ◽  
Vol 204 ◽  
pp. 02015
Author(s):  
Dina Rachmawaty ◽  
Putu Dana Karningsih ◽  
Budi Santosa
Keyword(s):  
Conceptual Model ◽  
Production Line ◽  
Assembly Line ◽  
Assembly Line Balancing ◽  
Line Balancing ◽  
Production Plan ◽  
Two Factors ◽  
Improvement Method ◽  
Increase Productivity ◽  
Assembly Line Balancing Problem

There are many problems in assembly line. Some of the problems are assembly line reliability which relates to maintenance and unbalance workload. As a result, production line is not efficient and production plan is not fulfilled. Previous research on two-sided assembly line balancing problem has proprosed improvement method by considering index relationship between tasks. There are only two factors that is taken into account in this research, they are: distance factor of the implementation of the task (distance factor) and tools used to perform the task (tool factor). Therefore, this paper aims to develops conceptual model by considering additional factors that affecting Assembly Line Tasks Consistency (ATC). The additional factors that are considered are as follow: distance factor, tool factor, motion factor, layout factor, and skill factor. The purpose of this conceptual model is to increase productivity by minimizing number of workstations. Linear combination are used to find a combination solution of a relationship between task to complete a two-sided assembly line balancing problem. Improvement of proposed assembly line are measured according to Balance Delay (BD) and Line Efficiency (LE).

Process Improvement at Automotive Assembly Line Using Line Balancing and Lean Manufacturing Approach

2020 ◽  
Vol 899 ◽  
pp. 268-274
Author(s):  
Mohamad Hafizdudin bin Tajul Arifin ◽  
Wan Emri Wan Abdul Rahman
Keyword(s):  
Process Improvement ◽  
Automotive Industry ◽  
Manufacturing Process ◽  
Production Line ◽  
Lean Manufacturing ◽  
Assembly Line ◽  
Line Balancing ◽  
Automotive Company ◽  
Automotive Assembly ◽  
Current Production

The aim of this study is to analyze the existing production line in the automotive industry and proposed a layout of improved production line in the manufacturing process and obtain the optimum rate of production time. Thus, line balancing method and Yamazumi Chart was utilized to analyze the current and proposed production line. The collection of the data of the existing production line was conducted at one of the automotive company in Malaysia. From the analysis of current production line, two improved layout were proposed and evaluated. The proposed layout was selected based on a balanced production line and ability to meet customer demand. A balanced production line will ensure smooth process and eliminate wastage during operation

Productivity Study and Line Balancing of GGMG & CALICO Production Line

2012 ◽  
Vol 576 ◽  
pp. 700-704 ◽  
Author(s):  
Hartini Mustafa ◽  
Ahmad Razlan Yusoff ◽  
M. Yusoff Ismail
Keyword(s):  
Cycle Time ◽  
Production Line ◽  
Assembly Line ◽  
Flow Line ◽  
Assembly Line Balancing ◽  
Line Balancing ◽  
Buffer Allocation ◽  
Resource Assignment ◽  
Time Data ◽  
Current Case

Assembly line balancing is assumed to have fixed task within specified task time during the initial stage of the mass production. The problem of current case study of this assembly line was the production line cannot meet the expected output plan with imbalance station cycle time. In this paper, productivity study and line balancing is applied to improve production line of GGMG & CALICO. The desired cycle time defined using the Standard Time Data (STD) which required the person to perform assign task till completion by defining the performance rating of person. The proposed solution proved by the implementation analysis conducted in the research. The results showed that the productivity of production line which is tremendously increased within 50% after implementation. There are six factors identified during the study which are bottleneck stations, workpiece flow, line layout, ergonomic, resource assignment and buffer allocation.

Pervading Cold Testing of Engines in the Automobile Zone

2011 ◽  
Vol 110-116 ◽  
pp. 4544-4548
Author(s):  
Ankit Khurana
Keyword(s):  
Quality Control ◽  
Fault Detection ◽  
Production Line ◽  
Assembly Line ◽  
Process Quality ◽  
Cold State

Although the quality of a completed engine ready for shipping is traditionally assured by adopting the firing run at the final process of the engine assembly line, we have still not readily accepted the testing of engines in cold state i.e. without actual combustion & continue to neglect all its long term benefits in view of the immediate shortcomings which not only enhances the inspection speed, fault detection but also poses zilch threat to the environment around us. It increases the effectiveness of the “In-Process Quality Control” of an Engine production line.

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