This case study examines transforming a company's production process from batch to cellular manufacturing through cell formation and optimizing material flows.
The company produces bicycle components in batches using semi-automatic machines. The study applies production flow analysis and one-piece flow concepts to rearrange equipment into cells and transform discrete batch flows into continuous one-piece flows.
Key aspects of the transformation included analyzing current product-quantity ratios to determine new layouts, minimizing in-process inventory through one-piece production, and inspecting pieces individually to enable zero-defect production. The goal was to change from a planning-centered batch process to a more flexible and responsive one-piece production system.
PRODUCTION AND OPERATIONS
MANAGEMENT
-Management function responsible for producing goods & services
-Objectives of production management
-Functions of production management
-Production system & models
A Simple Case Study of Material Requirement PlanningIOSR Journals
material requirement planning is a technique that uses the bill of material, inventory data and a master schedule to calculate requirements for material. It also takes into account the combination of the bill of material structure and assembly lead times. The result of an MRP plan is a material plan for each item found in the bill of material structure which indicates the amount of new material required, the date on which it is required. The new schedule dates for material that is currently on order. If routings, with defined labor requirements are available, a capacity plan will be created concurrently with the MRP material plan. The MRP plan can be run for any number entities (which could be physically separated inventories) and can include distributor inventories, if the system has access to this type of information. MRP tries to strike the best balance possible between optimizing the service level and minimizing costs and capital lockup. In this paper it is tried to present a practical M.R.P. problem and is shown how it is helpful in optimizing the service level and minimizing costs.
The Rank Positional Weight Method can be used to develop and balance an assembly line. In this method, work elements are divided among workstations depending on the duration of work elements and their precedence position. Copy the link given below and paste it in new browser window to get more information on Ranked Positional Weight Method:-
http://www.transtutors.com/homework-help/industrial-management/line-balancing/ranked-positional-weight-method.aspx
PRODUCTION AND OPERATIONS
MANAGEMENT
-Management function responsible for producing goods & services
-Objectives of production management
-Functions of production management
-Production system & models
A Simple Case Study of Material Requirement PlanningIOSR Journals
material requirement planning is a technique that uses the bill of material, inventory data and a master schedule to calculate requirements for material. It also takes into account the combination of the bill of material structure and assembly lead times. The result of an MRP plan is a material plan for each item found in the bill of material structure which indicates the amount of new material required, the date on which it is required. The new schedule dates for material that is currently on order. If routings, with defined labor requirements are available, a capacity plan will be created concurrently with the MRP material plan. The MRP plan can be run for any number entities (which could be physically separated inventories) and can include distributor inventories, if the system has access to this type of information. MRP tries to strike the best balance possible between optimizing the service level and minimizing costs and capital lockup. In this paper it is tried to present a practical M.R.P. problem and is shown how it is helpful in optimizing the service level and minimizing costs.
The Rank Positional Weight Method can be used to develop and balance an assembly line. In this method, work elements are divided among workstations depending on the duration of work elements and their precedence position. Copy the link given below and paste it in new browser window to get more information on Ranked Positional Weight Method:-
http://www.transtutors.com/homework-help/industrial-management/line-balancing/ranked-positional-weight-method.aspx
This was a presentation done team-wise in Manipal as part of our MBA assignments. The subject name was Operations Management and the presentation topics were different types of layouts. Our team got the topic Process Layout.
References:
Inventory Control Models, 2013 Pearson Education, Inc. publishing as Prentice Hall
Special Inventory Models, 2010 Pearson Education, Inc. publishing as Prentice Hall
6.3 Further Business Applications: Economic Lot Size
Dr. Grethe Hystad, Mathematics Department, The University of Arizona (www.math.arizona.edu)
Business Dictionary (www.businessdictionary.com)
Material and capacity requirements planning (mrp and crp) part 1Dr. Mahmoud Al-Naimi
Lectures on Production Planning and Control for B.Sc. Students - Industrial Engineering Branch -Department of Production Engineering and Metallurgy- University of Technology - Baghdad -Iraq
Material and capacity requirements planning (mrp and crp) part 2Dr. Mahmoud Al-Naimi
Lectures on Production Planning and Control for B.Sc. Students - Industrial Engineering Branch -Department of Production Engineering and Metallurgy- University of Technology - Baghdad -Iraq
This was a presentation done team-wise in Manipal as part of our MBA assignments. The subject name was Operations Management and the presentation topics were different types of layouts. Our team got the topic Process Layout.
References:
Inventory Control Models, 2013 Pearson Education, Inc. publishing as Prentice Hall
Special Inventory Models, 2010 Pearson Education, Inc. publishing as Prentice Hall
6.3 Further Business Applications: Economic Lot Size
Dr. Grethe Hystad, Mathematics Department, The University of Arizona (www.math.arizona.edu)
Business Dictionary (www.businessdictionary.com)
Material and capacity requirements planning (mrp and crp) part 1Dr. Mahmoud Al-Naimi
Lectures on Production Planning and Control for B.Sc. Students - Industrial Engineering Branch -Department of Production Engineering and Metallurgy- University of Technology - Baghdad -Iraq
Material and capacity requirements planning (mrp and crp) part 2Dr. Mahmoud Al-Naimi
Lectures on Production Planning and Control for B.Sc. Students - Industrial Engineering Branch -Department of Production Engineering and Metallurgy- University of Technology - Baghdad -Iraq
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
cells are dedicated to produce similar products or a family of parts.
A manufacture cell produces parts, one at a time, following the sequence of the machines and operations in a lean flow.
It is an application of Group Technology in Manufacturing
(a) (i) Re-organising the existing facility is an expensive exercise.pdfarhamgarmentsdelhi
(a) (i) Re-organising the existing facility is an expensive exercise. Explain how you can delay the
factory layout under the following situations:
• The facility is experiencing increased production volume
• Over time the facility has become congested.
(ii) If you have a discrete item manufacturing system, what should be the best approach to
factory layout? (Indicate what should be the focus and how you will go about creating the new
layout design)
(b) (i) Briefly outline the SMED procedure and explain how cost, quality and flexibility are
affected by set –up time reduction.
Solution
Question 1)
Abstract The layout rearrangement of fashion production lines realizing many small batches is
rarely deployed according to wellknown engineering procedures. In fact, it would often appear
too complex to call a plant engineer for the proper layout design of such small production lines.
Rather, it is preferred to apply empirical methodologies when considering, generally, factory
knowhow, general business needs, safety requirements, and so on. In the present work, the
results of a fashion manufacturing line relayout were compared by analysing the current situation
with the solutions provided by a homemade company design, both through a systematic layout
planning approach and a broader lean reengineering activity. In order to evaluate the
effectiveness of each solution, the different alternatives were compared with the help of a
discrete event simulator, analysing productivity, transportation times and costs. The result of the
case study showed a slight advantage with the lean approach in considering such efficiency
indicators. In addition, the lean production methods allowed the designers to identify some
inefficiencies that other approaches could not see, since the latter did not focus on production in
a holistic way.
Keywords Layout Design, Systematic Layout Planning, Lean Production 1. Introduction One of
the main goals of a manufacturing system is the maximization of its productivity. This depends
upon several factors, such as the kind and the complexity of the product made, the quality of the
raw materials, the complexity of the manufacturing process and the arrangement of the
workstations constituting the production process. Some of these parameters are determined by
the product and, for this reason, are unchangeable; others, however, are variable and thus
improvable. The challenge of determining the best arrangement of the workstations is one of the
elements that has a great impact on system performance. It is known as the “facility layout
problem”[1], namely the problem of the arrangement of everything that is required for the
production process. A facility, in fact, is any element that simplifies an activity’s execution, such
as a machine tool, a work centre, a division, a manufacturing unit, and so on [2]. The literature
gives a
Filippo De Carlo, Maria Antonietta Arleo, Orlando Borgia and Mario Tucci: Layout Design for a
Low Capacity Manufactur.
The Performance Analysis of a Fettling Shop Using SimulationIOSR Journals
Fettling shop is the product finishing shop of casting products.After the knockout, the casting is taken
to the fettling shop for doing the fettling work. The fettling process includes cutting, shot blasting, grinding and
painting. In all these process the sand and extra metal on the castings are removed. The project titled „The
performance analysis of a fettling shop using simulation‟ is based on a fettling shop of a casting industry. The
main aim of the project is the performance analysis of the fettling shop. This project is a simulation based
project and is done using a simulation tool called arena. The main concepts related with the performance
analysis are Bottleneck analysis, Productivity analysis and System improvement analysis.
LEAN OPERATIONS, Review the literature giving detailed examples of where within
industry Lean has been applied, the strategies followed when
implementing, the benefits achieved and whether there are any
lessons to be learned.
Redesigning of Manufacturing Layout for Performance Improvements Using VIP Pl...IJESM JOURNAL
Plant Layout involves the spatial arrangement of equipment within the steel structure or building of a plant and considers the inter-connections through pipes and ducts as well as walks and vehicle transportation. An optimal layout has to ensure operability, adequate safety and an economic design. Industries have for many years been dealing with the problem of making batch production more efficient and responsive to changes in demand and technology. This paper presents a new and powerful concept known as Virtual Cellular Manufacturing (VCM). VCM helps in overcoming the problem of constant change in demand and part type by incorporating flexible production lines. The project ‘OPTIMIZATION OF PLANT LAYOUT’ is undergoing in PSG ROTARY MACHINE DIVISION, envisages optimize the plant area of shop floor using LEANCONCEPT.
Cellular manufacturing is a cognitive process of manufacturing which is a subdivision of just-in-time manufacturing and lean manufacturing across-the-board group technology. The goal of cellular manufacturing is to change as quickly as possible, make a wide mixture of similar products, while making as little waste as possible.
Similar to Facility & Layout Design Case Study (20)
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Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
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Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
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This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
1. World Academy of Science, Engineering and Technology 49 2009
Case on Manufacturing Cell Formation Using
Production Flow Analysis
Vladimír Modrák
includes all aspects of all movements of raw materials, work
Abstract—This paper offers a case study, in which in process, or finished goods within a plant or warehouse’ [1].
methodological aspects of cell design for transformation the
production process are applied. The cell redesign in this work is Material flows can be implemented as:
tightly focused to reach optimization of material flows under real
manufacturing conditions. Accordingly, more individual techniques
1. Discrete flows, which are typical mainly for a batch
were aggregated into compact methodical procedure with aim to built production. This category involves the manufacture
one-piece flow production. Case study was concentrated on relatively of medium-sized lots of the same item or product.
typical situation of transformation from batch production to cellular The lots may be produced only once, or they may be
manufacturing. produced at regular intervals [2] .
Keywords—Product/Quantity analysis, layout, design, 2. Continuous material flows are ordinarily applied in
manufacturing process.
chemical and food industry. While these are
examples of flow production, the term also applies to
I. INTRODUCTION
the manufacture of either complex single parts or
T HE following research deals with theoretical background
for application of one-piece concept by applying the
assembled products.
principles of Product/Quantity (P-Q) analysis and Production The role of the cell formation is transformation of discrete
flow analysis (PFA). Research methodology is applied under material flows to almost continuous material flows with the
real conditions in company, which is manufacturing bicycle aim to change planning-centered production on one-piece
components. In generally, companies’ reason for radical
production. According to more authors (see for instance: [3],
changes of manufacturing process structures are mainly
[4], [5]) by implementing one-piece flow, organizations can
motivated by recognition that so called process type layout do
obtain dramatic reductions in work-in-process inventory. This
not suit just-in-time philosophy. That kind of planning-
oriented production system ends up being a system that reduction in inventory is realized due to:
requires pushing for sales. The factory push their outputs to
retailers, retailers are returning what they cannot sell and 1) Parts are not being stored in containers (unit loads) at
returned products ends up as a dead inventory. operations while they are being processed. Instead one
The concept of so-called one-piece production differs piece at a time is processed in cells and ideally only one
radically from mentioned systems. By contrast this system piece is in transit between operations.
outputs products based on the needs of the assembly
processes, which are the closest processes to the market and 2) Parts are made as they are ordered. Batches or lots of
therefore customer. Only when products have been shipped parts are not staged between operations waiting to be
out more products are ordered from manufacturing scheduled and then to be processed.
department.
Another vantage of this concept is the effect called Zero
II. RESEARCH BACKGROUND defect production [6]. It is realized by building mistake-
proofing devices into production line, in which work pieces
The sense of material flow optimisation is to help planners
are inspected one at the time. The concept one-piece flow
to satisfy customer’s needs in shortened manufacturing time
production has been introduced relatively lately, but it seems
cycles. The subject of material flow optimisation falls into
to be very significant in today's competitive and dynamic
production flow management or logistic management, which
manufacturing environment.
The closest theory to one-piece production was brought by
Burbridge [7] that is known as Production Flow Analysis
V. Modrák is with the Manufacturing Management department, Technical (PFA) for planning Group Technology (GT). Sekine [8]
University of Košice, Faculty of Manufacturing Technologies, Slovakia, purposefully analyzed the basic principles of process flow
phone: 00421-51-7722828; fax: 00421-51-7733453; e-mail:
vladimir.modrak@tuke.sk building and offered detailed case studies of how various
industries designed unique one-piece flow systems (parallel,
519
2. World Academy of Science, Engineering and Technology 49 2009
L-shaped, and U-shaped floor plans) to meet their particular
needs. The basic conditions for establishing one-piece flow
systems are:
1. Make the factory layout conductive to the overall
production flow.
2. The factory must include clear pathways.
3. The production line should clearly distinguish
between material input and product output
4. The production line should consist mainly of single-
operator U-shaped cells.
5. Include thorough inspection in the layout.
6. Minimize in-process inventory.
Fig. 1 Production equipment layout and material flow before cell
formation
In generally, very small work pieces are not suitable to one-
piece production due to the waste involved in the setup,
- the 20:80 ratio (line X1)
positioning, and removal of such small items. This concept is
- the 30:70 ratio (line X2)
also inappropriate if changeover times are long. - the 40:60 ratio (line X3)
III. PROBLEM AND METHOD DESCRIPTION BY A CASE STUDY X1- amount of manufactured products related to 20% of
The company, where case study was conducted, produces produced assortment
bicycle components, which differ in shapes and sizes. From X2- amount of manufactured products related to 30% of
production type point of view the company belongs under produced assortment
category of batch production. This category involves X3- amount of manufactured products related to 40% of
manufacturing of medium-sized lots of the same item or produced assortment
product. Generally speaking, lots can be produced only once,
or they can be produced at regular intervals. In the given case Outlined ratios in P-Q diagram for individual X-es are the
lots are produced more or less at regular intervals. source for decision making about production equipment
Consequently, the manufacturing equipment was layout in factory. They are as follows:
conventionally designed for higher rates of production. The
machine tools are combined with specially designed jigs and
a) if X1 approaches 80%, then building a wide-variety small-
fixtures, which increase the output rate. Flexibility of
lot production line is reasonable i.e. apply one-piece flow
production is ensured by semi-automatic machines. Company
conception,
aims its activity towards to increase volume of production by
b) if X2 lays around 70% value, decision about production
innovation of production facilities and development of
equipment layout depends more or less on intuition and
management methods. Current production equipment layout
experience of a manager, even though fuzzy criteria for such
and material flow during processing in a mentioned factory
decision making are mentioned by Sekine [8],
are depicted in Fig. 1.
c) if X3 approaches 60%, it is reasonable to organize
A. Theoretical Background for Conducting a P-Q Analysis production equipment in technological pattern due to relations
After determining current situation in production process between assortment and amount of manufactured pieces being
next key for building successful operations is an effective not suitable for implementing one-piece flow principles.
system design. An effective design should take into account
an organization’s products, facilities, and procedures for An interval of interest is described in Fig. 3, where area of
planning and controlling operations, minimum ergonomic source thesis is marked. When X2 value in P-Q diagram
requirements for equipment, and short and long-term goals. A intersects with Lorence curve at about 70% (see Fig. 3 for
system design helps to define a products costs structure, narrow decision making interval) manager is having hard time
determines an organizations competitive position for several deciding about production layout since there are no clear
years. It is essential to find a design that meets present and criterions for such decision. It is up to his knowledge to make
future needs. It should not tie operations to outdated a right decision. To eliminate uncertainty in decision making a
technology. It produces superior products and enhances mathematical algorithm (Fig. 4) is offered for clear decision
organization competitive abilities. First important step for an parameters.
effective system design is Product—Quantity (P-Q) analysis. ∆X2 (in Fig. 3) is difference between actual amount of
Sekine and Arai [9] recommend taking a P-Q Analysis as products X2 and 70% margin defined by theory [%].
criterion for suitability of one-piece flow concept by using 3 ∆X3 (in Fig. 3) is difference between actual amount of
following ratios (see Fig. 2): products X3 and 60% margin defined by theory [%]
For defining unambiguous criterions in decision making
process between process layout and product layout (typical for
520
3. World Academy of Science, Engineering and Technology 49 2009
one-piece flow production) by using of P-Q analysis are
proposed these rules:
Fig. 3 Interval of the interest
Fig. 2 Theoretical example of P-Q diagram
R1: If value X2 is greater than or equal 70%, then it is strongly
recommended to establish wide-variety small-lot production
layout in factory thus implementing one-piece flow
conception.
R2: If value X2 is smaller than 70% and X2 is greater than 65
% or ∆X3 is greater then ∆X2, then it is more or less
appropriate to built up wide-variety small-lot production
system.
R3: If value X2 is smaller then 70% but ∆X2 is greater then
∆X3 then conditions for implementing one-piece flow are not
satisfied so the production equipment layout should be
organized in technological pattern.
Open interval 65<X2<70 was chosen due to mathematical
conditions for application of decision making algorithm.
Presented theoretical hypothesis will be applied and tested
on concrete example of real manufacturing company. Further
a PFA analysis method will be applied and it will be aimed on
optimization of material flows in scope of logistic goals.
Fig. 4 Decision-making algorithm
521
4. World Academy of Science, Engineering and Technology 49 2009
B. Initial Data for Conducting P-Q Analysis be disintegrated into groups according to the group
Initial production values needed for conducting P-Q technology concepts. Multi-product process chart based on
analysis are given Table I. They serve for drawing of P-Q original process layout is showed in figure 6.
diagram and Lorenz Curve showed in Fig. 5.
TABLE I
INITIAL PRODUCTION DATA
Semi- Cumul. Cumul.
product Quantity Quantity share
No. (pcs/yr) (pcs/yr) (%)
1 405870 405 870 405 870
2 270580 676 450 676 450
3 266966 943 416 943 416
4 256311 1 199 727 1 199 727
5 101700 1 301 427 1 301 427
6 88990 1 390 417 1 390 417
7 76276 1 466 693 1 466 693
8 69404 1 536 097 1 536 097
9 53704 1 589 801 1 589 801 Fig. 6 Multi-product process chart
10 39176 1 628 977 1 628 977
11 34702 1 663 679 1 663 679 Based on multi-product process chart further steps of
12 29382 1 693 061 1 693 061
Production flow analysis can be applied. Each stage in PFA
seeks to eliminate delays in production flows and operational
wastes in a progressively smaller area of the factory. PFA can
be defined as comprehensive method for material flow
analysis, part family formation, design of manufacturing cells,
and facility layout design that was developed in the early 70.s
[10]. By PFA related groups of parts are identified and
rearranged into a new pattern that brings together packs with
similar machine sequences. A mathematical formulation of the
production flow analysis optimization problem was developed
for instance by Villa and Bandera [11]. By applying the
results of PFA (also called as cluster analysis), a production
equipment layout with optimized lines can be modeled. Basic
principle of cluster analysis is shown in Fig. 7.
Fig. 5 Actual P-Q diagram (P- product type, Q-quantity)
According to previously determined preconditions, the
30:70 ratio (line X2) is greater then 70% what does it mean
that condition R1 of a source thesis was completed for
implementing of one-piece conception. Fig. 7 Simple example of cluster analysis
In the table are presented only decisive parts of company
production program that have a relevance to the After gradual transformation of incident matrix “A” that
manufacturing process design. The semi-products are divided was derived from Table II, it was created a model of
into three assembled groups. First group of components is production equipment layout with optimized 6 lines that is
represented by frames of bikes. Second group consist from shown in Fig. 8.
different types of back forks and in third group are clustered
different types of front forks.
C. Decomposition of Technological Operations and Layout
Redesign
Broad set of working activities done in a manufacturing
department for a given assortment of parts to be processed can
522
5. World Academy of Science, Engineering and Technology 49 2009
based on criteria of P-Q analysis. On the other hand,
transforming of current production equipment layout to 6 lines
led to improvement of more important economical aspects in a
company.
ACKNOWLEDGMENT
This paper was partially supported by finance from VEGA
Grants No. 1/4153/07.
REFERENCES
[1] D.M. Lambert, M.C. Cooper, and J. D. Pagh, “Supply Chain
Management: Implementation Issues and Research Opportunities.” The
Fig. 8 A new 6-line production equipment layout international Journal of Logistics Management, 9, (2), 1998, 1-19.
[2] M. P. Groover, Automation, production systems, and computer-
integrated manufacturing. Prentice-Hall, Englewood Cliffs, NJ, 1987.
In real conditions, the cells are often organized into a U- [3] A. Robinson, Continuous Improvement in Automation - a Systematic
shaped layout, which is considered appropriate when there is a Approach to Waste Reduction. Productivity Press, Cambridge,
variation in the workflow among the parts made in the cell. MA,1991.
Because it is also actual for the case in mentioned company, [4] A. Houshyar and G. Peters, “Impact of one piece flow on economic data
quality and shop floor data collection.” Journal of the Academy of
redesigned layout (Fig. 9) of production processes consists of Business and Economics, March, 2003.
lines using U shaped cells. It also allows the multifunctional [5] S. C. Graves, H. C. Meal, D. Stefek and A. H. Zeghmi, “Scheduling of
workers in the cell to move easily in between machines. re-entrant flow-shops.” Journal of Operations Management 3 (4), 1983,
pp. 197–207.
[6] S. Tsuchiva, Quality Maintenance: Zero Defects through Equipment
Management, TWI Press, 1997.
[7] J. L. Burbridge, Production Flow Analysis for Planning Group
Technology. Clarendon Press, Oxford, UK, 1989.
[8] K. Sekine, One Piece Flow: Cell Design for Transforming the
Production Process. Portland, Oregon Productivity Press, 1992
[9] K. Sekine and K. Arai, Kaizen for Quick Changeover: Going Beyond
SMED, Productivity Press, Portland, OR, 1992.
[10] S. A. Irani, Handbook of Cellular Manufacturing Systems. New York,
John Wiley, 1999Defects
[11] A. Villa and C. Bandera, “Optimization of Production Flow Patterns by
use of Intelligent CAD Tools” Annals of the CIRP, Vol. 40/12/1991.
Vladimír Modrák obtained PhD degree in Mechanical Engineering
Technology in 1989. Begin with 2003 he is in position of head of Department
of Manufacturing Technologies at Technical University of Košice, Faculty of
manufacturing Technologies. He became a Full Professor in Manufacturing
Technologies in 2007.
Fig. 9 Product layout disposition after transformation
IV. CONCLUSION
Presented transformation of production process can be
viewed as perspective way of optimization of material flows
by changing production equipment layout and achieving the
goals of company logistics. In generally, material flow
optimization belongs among complex engineering and
managerial problems, which have not been satisfactorily
solved yet. Obviously, this complexity could not be presented
in above research in a full scale. Conducting this study from
one side helped to verify the effectiveness of decision-making
523