One method used in converting traditional manufacturing, particularly the jobbing shop, to cellular manufacturing is group technology. Nptel syllabus manufacturing systems management video course course outline this course introduces the viewer to the concepts of manufacturing systems management. Production planning systems for cellular manufacturing. This research is believed to be a valuable addition to the field of lean as it tries to address how smes can adopt cellular manufacturing and lean production planning and control techniques into their production. Cell structure and function of the organelles, chromosome structure and organization, transport across cell membranes, receptors and growth factors, signal transduction, cell culture, introduction to hematology. These observations reinforce the importance of group technology. You can find all the course related stuff provided by the faculty here. Cellular manufacturing also says one piece flow process. Typically, a cell is a small group of machines as a.
Planning, design, and analysis of cellular manufacturing. Cell culture is an important technique in both cellular and molecular biology given that it provides the best platform for studying the normal physiology and biochemistry of cells. The purpose of this study is to develop an effective design of cellular manufacturing system cms in dynamic production requirement with multiple objectives. Cellular manufacturing, an application of group technology, is a stepping stone to achieve world class manufacturing status. This paper reports the findings of a survey study of 32 u. Mod01 lec04 cellular manufacturing applications, production. Cellular manufacturing addresses the issue of catering to the multiple product lines required by customers. A cell has a defined working area and is scheduled, managed, and measured as a single unit of production facilities. Therefore, this way of manufacturing is impractical flynn and jacobs, 1987.
The objective function will minimize summation of idleness cost of machines, subcontracting cost for exceptional parts, nonutilizing machine cost, and holding cost of parts in the cells. Cells simplify material flow, management and even accounting systems. Jul 09, 20 you can find all the course related stuff provided by the faculty here. Production system can be defined as a transformation system in which a saleable product or service is created by working upon a set of inputs. A manufacturing cell consists of two or more operations, work stations, or machines dedicated to processing one or a limited number of parts or products. This technique groups similar products together so as to process them in the same sequence and on the same equipment. The decisions made in the design stage significantly affect manufacturing cost, quality and delivery lead times. Jul 18, 20 manufacturing systems management by prof. Introduction to buffing buffing is the process used to shine metal, wood, or composites using a cloth wheel impregnated with cutting compounds or rouges. Data structures and algorithms nptel video lectures naveen garg, nptel video lectures, nptel online courses, youtube iit videos nptel courses. Data structures and algorithms nptel online videos. Cellular manufacturing cm is a hybrid system for linking the advantages of both job shops flexibility in producing a wide variety of products and flow lines efficient flow and high production rate. Mod01 lec03 introduction to cellular manufacturing youtube. Cellular manufacturing cm is one of the major concepts used in the design of flexible manufacturing systems.
Jobs arrive to a production system at the rate of one job per two hours and the jobs are serviced at. Cellular manufacturing is an approach that helps build a variety of products with as little waste as possible. Sisal costs very less and this alone has prompted extensive research to come up with applications in which sisal is the dominant reinforcing material in filled polyester resin, in. A manufacturing cell that produces aluminum parts for commercial customers is implemented at boeings defense and space group machining center. Nptel provides elearning through online web and video courses various streams. Cellular manufacturing unidirectional flow, capacity planning, layout. How does the setup reduction affect batch size, cycle inventory and safety stock. A cell is the basic structural, functional and biological unit of all living things. Impact of cellular manufacturing and lean production. Anbumalar and others published implementation of cellular manufacturing in. A lean method of producing similar products using cells, or groups of team members, workstations, or equipment, to facilitate operations by eliminating setup and unneeded costs between operations.
Cellular manufacturing as shown in figure 1 is a hybrid system which links the benefits of both job shop manufacturing and flow line manufacturing. Data structures and algorithms nptel online videos, courses. Any new material will be uploaded as soon as possible. The decisions made in the design stage significantly affect. Introduction to cellular manufacturing engineering. The industry refers to polishing as the process, which uses abrasive belt finishing. Cm, also known as group production or family programming, can be described as a manufacturing technique that produces families of parts within a single line or cell of machines. The design methodology, which incorporates several widely accepted design axioms, is divided into four phases. Schonberger penned world class manufacturing in 1986, and suzaki wrote the new manufacturing challenge in 1987. Objective is to determine an optimal layout scheme of all cells within the factory or shop floor in a way that minimize intercell movement of various parts. Standard machine setups are often possible with little or no changeover required between the different parts within the family same material, same fixture method. On the other hand, when new products manufacturing are required if they do not fit into the existing cell then the whole manufacturing setup needs to be restructured.
Cellular manufacturing systems machines are grouped together according to the families of parts produced, which provides a distinct advantage in that material flow is significantly improved, which reduces the distance traveled by materials, inventory, people which increases the overall lead times. Cellular manufacturing system 24 march 20 questions. Data communication nptel online videos, courses iit video. The course primarily addresses cellular manufacturing, jit systems, synchronous manufacturing and flexible manufacturing. The flexibility inherent in manual assembly cells is therefore preferable to automated. Nptel video lectures, iit video lectures online, nptel youtube lectures. Implementation of cellular manufacturing in process industry. Areas covered include the reasons for establishing cells, benefits achieved, types and.
Data communication nptel online videos, courses iit. You can also suggest us any interesting news or detail in interesting stuff page and it will be presented here if it is found worth. Pal, department of computer science engineering,iit kharagpur. The cloth buff holds or carries the compound, while the compound does the cutting. Cellular manufacturing is a process of manufacturing which is a subsection of justintime manufacturing and lean manufacturing encompassing group technology. New method of facilities layout called cellular group technology is based. Group technology gt is a manufacturing philosophy in which similar parts are identified and grouped together to take advantage of their similarities in design and production the grouping into part families of item with similar items with similar design or manufacturing characteristics. The just in time jit production facet of the lean thinking model would likely have the most profound. However, the machine that changed the world was an enormously popular book with managers and was a tremendous sales document for the lean manufacturing system. Pdf aibased techniques in cellular manufacturing systems. Introduction manufacturing is the process of converting raw material into finished or semi finished part. Figure below shows the main structure of cellular manufacturing system.
Introduction to cellular manufacturing system problems. Cells might be designed for a specific process, part, or a complete product. Chapter 18 lean manufacturing penn state engineering. It is difficult to fulfill the customer requirement with traditional product line, so using the u shape product line replace traditional product line. A cellular manufacturing system cms is composed of linked cells. Many times, shops are organized around particular tasksall the milling machines are in a department or area, all the lathes are in a department or area, all assembly is in one place, and so on. Work cells and cellular manufacturing improving the fitness of the factory 2 cellular manufacturing v concept of performing all of the necessary operations to make a component, subassembly, or finished product in a work cell. Cellular layouts are highly advantageous over both function and line machine layouts because they can eliminate complex material flow patterns and consolidate material movement from machine to machine within the cell. Implementation of cellular manufacturing in process. The literature available on cellular manufacturing has been classified based on the nature and the focus of cellular manufacturing enablers which include criteria such as strategies, technologies, systems and people. Cellular manufacturing an overview sciencedirect topics. Keywords cellular manufacturing, layout design, machine layout, manufacturing operations, factory layout, arena simulation software, process industry. Lean manufacturing is a japanese method focused on 3ms.
The major problems in batch manufacturing are a high level of product variety and small manufacturing lot sizes. Each of these cells is dedicated to a specified family or set of part types. Cellular manufacturing lean manufacturing and six sigma. Cellular manufacturing and workcells are at the heart of lean manufacturing. Aibased techniques in cellular manufacturing systems. By applying cellular manufacturing to produce part families with similar manufacturing processes and stable demand, plants expect to reduce costs and leadtimes and improve quality and delivery performance. Nptel electronics and communication engineering video. Data communication lecture series on data communication by prof. Production is the use of man, material and machine to produce finished products. Cellular manufacturing is a particular model for workplace design that is an important part of lean manufacturing. Jobs arrive to a production system at the rate of one job per two hours and the jobs are serviced at the rate of two jobs per three hours. Nptel electronics and communication engineering video lecture. Cellelural manufacturing the heart of lean manufacturing the benefits of cm include wip reduction, space utilization, lead time reduction, productivity improvement, quality improvement, enhanced teamwork and communication, enhanced flexibility and visibility cellular manufacturing, assessments, implementation, case study 2.
The principle of group technology is to divide the manufacturing facility into small groups or cells of machines. Cellular manufacturing reduce the transportation waste. Sourav sengupta is a project research fellow at sjmsom, iit bombay. Introduction cellular manufacturing is a model for workplace design, and has become an integral part of lean manufacturing. This reduces the time that would be lost in the changeover between the different products and offers the production line.
In manufacturing of automobile parts, glass and sisal fibers usually find the maximum use. The product variations present design engineers with the problem of designing many different parts. Cellular manufacturing is one staple of lean manufacturing. Impact of cellular manufacturing and lean production planning. The thesis proposes a method for introducing cellular manufacturing in an operating job shop. Therefore, both cellular manufacturing and lean production planning and control impact the production flow efficiency in sme. Cells are generally linked directly to each other or to assembly points. A cell is a group of workstations, machine tools, or.
The term cellular manufacturing is often used in this regard. Lean manufacturing or lean production are reasonably new terms that can be traced to jim womack, daniel jones and daniel roos book, the machine that changed the world 1991. In the book, the authors examined the manufacturing activities exemplified by the toyota production system. Lean manufacturing is the systematic elimination of waste. Which of the following represent manual systems designed to support continuous flow. Lecture 1 introduction and course outline data communication. Chapter 18 lean manufacturing pennsylvania state university.
It is more costeffective to manufacture parts having medium volume and medium variety. In the analysis phase, partfeatureprocess data are analyzed to identify part. Introduction to computer integrated manufacturing cim. Also, many manufacturing firms are automating their operations by arranging their machines into cells. Pro cess industry a case study find, read and cite all the research you need on researchgate. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. A classification scheme based on the nature and application of the models is proposed for easy understanding of. Cellular manufacturing is a process of manufacturing which is a subsection of just intime. The thesis outlines a method for assessing, designing, and implementing cellular manufacturing, and illustrates this process with an example. It has emerged as an important technique to cope up with fast changing industrial demands for the application of newer manufacturing systems. Group technology and fms group technology group technology is a manufacturing technique and philosophy to increase production efficiency by exploiting the underlying sameness of component shape, dimensions, process route, etc. Solving cell layout problem is the third step toward implementation of cellular manufacturing system. Cellular manufacturing is a process of manufacturing which is a subsection of justintime.
The goal of cellular manufacturing is to move as quickly as possible, make a wide variety of similar products, while making as little waste as possible. Nptel material is available for free on nptel website. A systematic approach to the design of cellular manufacturing systems is described. Composites are one of the most widely used materials because of their adaptability to different situations and the relative ease of combination with other materials to serve specific purposes and exhibit desirable properties. Kay, kluwer academic publishers, boston, usa, 1998. Engineering applications of composite materials learning unit1. This is a technique that helps group parts into compatible families. The primary objective of lean manufacturing is to assist manufacturers who have a desire to improve their companys operations and become more competitive through the implementation of different lean manufacturing tools and techniques.