Non conventional manufacturing process pdf

Nontraditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. To be more specific ive put together a short list below, in no particular order, of what i see as some of the important differences between lean and the traditional. Materials are removed by traversing in a direction parallel to the axis of rotation of axis or along a specified path to form a complex rotational shape. In 1926, the first saw which worked with electricity was invented by andreas stihl. Non conventional manufacturing processes question 1 b the areas of application of non conventional manufacturing processes are as follows.

We analyze and evaluate the entire process chain scientifically, make adjustments and integrate the new technologies. Differences between conventional and non conventional machining processes. The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Pdf nontraditional machining ntm processes are now being widely used to generate intricate and accurate shapes in materials, like. Several types of non traditional machining processes have developed to better machining condition.

Nontraditional manufacturing processes 19 manufacturing engineering and materials processing covers four main processes and elaborates on each process. There is no physical contact between the tool and work piece, in some non. Materials are removed by traversing in a direction parallel to the axis of. Dec 08, 2016 the basic difference between unconventional and conventional machining is that the tool and the workpiece never have a physical contact between them. The non conventional manufacturing processes are not affected by hardness, toughness or brittleness of material and can produce any intricate shape on any workpiece material by suitable control over the various physical parameters of the processes. The non conventional manufacturing is designed to prepare interested students for future careers manufacturing industry where non conventional machines are used. Examples of non conventional tools used are infrared beam, laser beam, electric arc, plasma cutting and electric beam. Understand conventional and non conventional manufacturing term. This process involves no contact between the machine tools and material. The basic difference between unconventional and conventional machining is that the tool and the workpiece never have a physical contact between them. Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled materialremoval process.

The aim of the mtcs non conventional machining ncm theme is to provide efficient, costeffective solutions for the manufacture of traditionally difficult to machine materials using stateoftheart spark erosion and laser technologies. May 04, 2018 there are two types of manufacturing process. Until at least the mid19th century, saws were made laboriously by hand. Turning operation is a machining process and is used to produce round parts in shape by a single point cutting tool.

To be more specific ive put together a short list below, in no particular order, of what i see as some of the important differences between lean and the traditional approach. Dec 14, 2016 non conventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. Manufacturing and technical staff in industry must know the various manufacturing processes, materials being processed, tools and equipments for manufacturing different components or products with optimal process plan. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. Here we discuss the fundamentals, characteristics, classification and need of modern non traditional machining processes. Conventional machining methods always produce some stress in the metal being cut. These processes are generally used when traditional methods are not technically or economically feasible. It includes detailed information to gain insight into the manufacturing processes which are new, unconventional and list out the the. Dec 16, 2017 non traditional machining method is an advanced method used to overcome the problems of traditional machining methods.

If you like this article, dont forget to share it on your social networks. Biomedical industry is a clear example of an application that is constrained by conventional manufacturing, because it requires reproduction of very complex shapes customized for each patient. An unconventional machining process or nontraditional machining process is a special type of machining process in which there is no direct contact between the tool and the workpiece. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc.

Conventional and non conventional machining processes duration. The cutting tool and work piece are always in physical contact with relative motion with each other, which results in friction and tool wear. Nontraditional manufacturing processes or unconventional machining processes. Non traditional machining method is an advanced method used to overcome the problems of traditional machining methods.

Introduction to nontraditional machining iit kanpur. Tools are nonconventional technique like laser beam, electric arc etc. Nov 15, 2017 conventional and non conventional machining processes best engineer. When these machines are employed, they are many advantages over the traditional machining process.

Subscribe our channel for more interesting articles. Nontraditional manufacturing processes is defined as a group of processes that remove. Non traditional manufacturing processes an overview. Nonconventional manufacturing processes fraunhofer ipt. The process of non conventional machining, on the other hand, employs modern and latest technology in processing. What is hybrid manufacturing and classification of hybrid machining process technological improvement of machining processes can be achieved by combining different machining actions or phases to be used on the material being removed. Planing is a manufacturing process of material removal in which the workpiece reciprocates against a stationary singlepoint cutting tool and it produces plane or sculpted surface. Download nontraditional manufacturing processes by gary f. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Tool may not be harder and it may not be physical presence. Tools are non conventional technique like laser beam, electric arc etc. The role of non conventional machining processes ncmps in todays manufacturing environment has been well acknowledged.

In 1927, emil lerp invented a saw that works with using oil in germany. Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. An unconventional machining process or non traditional machining process is a special type of machining process in which there is no direct contact between the tool and the workpiece. This is due to material removal rate mrr decreases with increased hardness of the work material. The electrodischarge machining process was introduced to industry the 1950s. Pdf selection of nontraditional machining process researchgate. Current trends in nonconventional material removal processes. All subtractive type manufacturing process are conventional manufacturing process in which w. The processes that have this common theme, controlled material removal, are today collectively known as subtractive manufacturing, in distinction from processes of controlled material addition, which are known as additive manufacturing. The non traditional machining methods include, ultrasonic machining, laser beam machining, water jet machining, abrasive water jet machining, electron beam machining, etc. Conventional machining also costs in terms of tool wear and in loss of quality in the product owing to induced residual stresses during manufacture.

Conventional machining processes and machine tools module. Brief introduction of nonconventional machining processes. Department of mechanical engineering, indian institute of technology kanpur. Yurdakul and cogun 2003 used a multiattribute selection procedure to help manufacturing personnel determine the suitable ntm. Introduction to manufacturing processes introduction. Smaller machines may come with 1 to 3 hp while the production machines may go from. Unconventional manufacturing processes pdf download the seminar report, notes, ppt and journals on the topic unconventional manufacturing process.

Pdf nonconventional machining processes selection using. Nontraditional manufacturing processes introduction many material removal processes have been developed since world war ii to address problems that cant be handled with conventional, that is, traditional chipforming machining processes. With the aim of efficiently integrating nonconventional manufacturing processes into the value chains of our partners, we research and improve the underlying processes. Conventional machining methods hacettepe universitesi.

Classification of nontraditional machining is based on following factors. The advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. Jun 20, 2016 the advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. Nonconventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. Non conventional manufacturing processes include additive manufacturing, laser technologies such as laser deposition welding, laser hardening and laser structuring, water jet ablation and electroerosive technologies such as spark erosion edm and electrochemical metalworking ecm.

Unconventional machining processes introduction and. There is no physical contact between the tool and work piece, in some non traditional process tool wear exists. Comparison between conventional and non conventional machining. In edm material removal takes place as a result of occurring plasma channel erosion effect between tool electrode and workpiece surface, separated by dielectric. Nonconventional tools are more accurate and precise than the conventional tool. In 1950, he invented first portable saw which has a motor. In this type of manufacturing process scrap is more produce, so non conventional process are come to in picture. In unconventional machining, a form of energy is used to remove unwanted material from a. How is classification of nontraditional machining done. Manufacturing processes can be broadly divided into two groups and they are primarymanufacturing processes and secondary manufacturing processes.

Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. Machining is one of the most important process of metal forming and shaping. Non conventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. Unconventional machining process sasurie college of engineering. What is hybrid manufacturing and classification of hybrid. Non traditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. A thermal oxidizer blends several manufacturing processes such as molding, forming, machining, etc. Groover, fundamentals of modern manufacturing 2e why nontraditional processes are important need to machine newly developed metals and nonmetals with special properties that make them difficult or impossible to machine by conventional methods need for unusual andor complex part geometries. Biomedical industry is a clear example of an application that is constrained by conventional manufacturing, because it requires reproduction of very complex shapes customized for each. These processes are chemical, thermal, electrochemical and mechanical.

Download pdf book for this subject and share to give us credit. Hence the machining process which utilizes other machining methods are termed as unconventional. The aim of the mtcs nonconventional machining ncm theme is to provide efficient, costeffective solutions for the manufacture of traditionally difficult to machine materials using stateoftheart spark erosion and laser technologies. With ever increasing demand for manufactured goods of hard alloys and metals, such as inconel 718 or titanium, more interest has gravitated to non conventional machining methods. Pdf nontraditional manufacturing processes by gary f. Conventional machining processes mostly remove material in the form of. Conventional and nonconventional processes written by hassan abdel gawad elhofy covers the fundamentals machining by cutting, abrasion, erosion and combined processes. In the convention machining processes, tool is in direct contact with work piece. The processes are non traditional or nonconventional in the sense that they dont employ a conventional or traditional tool for material removal, instead, they directly utilize some form of energy for metal machining.

A mechanical conventional single cutting or ma action process can be combined with the respective machining phases of electrodischarge ed in. Conventional and non conventional machining processes. Apr 02, 2017 today we will learn about non traditional machining processes requirement, types, advantages and disadvantages. Pdf manufacturing processes by hn gupta pdf download. Difference between conventional machining and nontraditional. Non traditional machining is also called advance manufacturing process. Non conventional process summary process description and capability ultrasonic machining usm chemical machining electricaldischarge machining edm highenergybeam machining laserbeam machining lbm electrical discharge machining edm introduction electrical.

The processes are non traditional or non conventional in the sense that they dont employ a conventional or traditional tool for material removal, instead, they directly utilize some form of energy for metal machining. Conventional machining processes and machine tools moduleiv turning. Non traditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be. Manufacturing process technology part i 19,255 views. Apart from that, the conventional or traditional machining generally produces a lower surface fin.

This is used for removing a layer of metal material, either shallow or deep, by means of etching using chemical compounds, like acids, bases, etc. This is all about non traditional machining process, requirements, types, advantages and disadvantages. What is the difference between conventional and non. Production technology book by p c sharma is undoubtedly one of the best choices of students when it comes to the manufacturing technology book because of detailed whys and hows of every topic which makes the things easy to remember as well as easy to apply in the manufacturing process lab. Non conventional tools are more accurate and precise than the conventional tool. Conventional machining processes and machine tools moduleiv turning turning operation is a machining process and is used to produce round parts in shape by a single point cutting tool. Lean manufacturing difference between lean and traditional. Among the subtractive manufacturing processes group of traditional and nontraditional unconventional manufacturing processes, ump can be distinguish. Manufacturing process technology part i 28,171 views. No conventional non conventional 1 direct contact of tool and workpiece. Nonconventional manufacturing process by muhammad imran. For effective utilization of the capabilities and advantages of.

History the early ancestors of modern humans, likely first used a jawbone of bovid animals as a saw. The former onesprovide basic shape and size to the material as per designers requirement. May 05, 2017 conventional and non conventional machining processes. Conventional machining processes and machine tools moduleiv. Comparison between conventional and nonconventional machining. Difference between conventional machining and non traditional machining ntm pintu 27042019 ntm by definition, machining is one of the secondary manufacturing processes by which excess material is gradually removed by shearing from a preformed blank in the form of solid chips using a wedge shaped cutting tool in order to get desired shape. If you have any query regarding this article, ask by commenting. All subtractive type manufacturing process are conventional manufacturing process in which we produce part or perticullar product by removing the material. A combine topsisahp approach 992 heighttodiameter ratio, and width of cut are considered as the major criteria to select the best ntm process. Disadvantages and limitations of edm process there are some limitations of edm process as listed below. The non conventional manufacturing processes may be classified on the basis of type of energy. Difference between conventional and nonconventional machining processes are. Manufacturing is the backbone of any industrialized nation.

The socalled nonconventional machining methods can no longer be called nontraditional, since they found a wide range of applications. Mar 16, 2018 unconventional manufacturing processes pdf download the seminar report, notes, ppt and journals on the topic unconventional manufacturing process. Difference between conventional and nonconventional. Non traditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for. Conventional and nonconventional processes book pdf by hassan abdelgawad elhofy machining remains a hugely important process in modern engineering and manufacturing practice, and students need to be aware of the vast host of methods and technologies available to meet all sorts of precision and. Difference between conventional and non conventional machining processes are. Conventional manufacturing process routes seriously limit the freedom to fabricate parts of complex shapes economically, especially when small batches are required. The overarching big picture difference between traditional manufacturing and lean manufacturing involves a totally different mindset. No conventional nonconventional 1 direct contact of tool and workpiece. Non conventional manufacturing process conventional manufacturing. Nontraditional machining processes semantic scholar. In order to realize the manufacturing machining demands thrived by newer, hard and difficulttomachine materials being utilized in the present day industries, an assortment of non traditional machining ntm processes has been developed over the past few decades.