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Difference between Conventional and Non-Conventional Machining Process

Date: 29 Dec 2012   Group: Science and Technology    Category: Science   


Basically two types of machining process have been used for metal cutting or machining process. Conventional and Non-Conventional machining processes are divided according to contact between tool and work material. Can anyone tell me the basic difference in these two processes, which machining process is applicable for Composite materials.


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Want to know the difference between conventional and non conventional machining processes? Find out how conventional machining process differs from non conventional machining process.

Author: Abhinav    01 Jan 2013      Member Level: Silver     Points : 2    Voting Score: 0

Conventional machines :- Machines that are driven or operated with the help of human resorce is termed as conventional machines. Example :- - Small scale welding . - Small scale moulding. - Laithing. - Making of small vechiles such as bicycles. Non-conventoinal machines :- Machines which are fully automated in which there is no need of human resource to control the functions of the machines. These may be controlled by an pre-programmed computer or a robot. Examples :- - Painting units of car manufacturing companies. - Welding units of cars . - Manufacturing process dealing with high temrature and extremely low temprature where humans are not able to work.
Author: JyotiS    16 Jan 2013      Member Level: Gold     Points : 5  (Rs 4)    Voting Score: 0

Machines re devices or tools that makes our work easy. From the very old times, man has been using simple machines to make his task easy and speedy. Depending on the simplicity of performance of task and time consumed, we can broadly divide machines as conventional and non-conventional ones.

Conventional machining method : Conventional machines requires direct contact of tool and work piece/material. For example to cut an aluminium bar, an iron fast rotating cutter may be used. These methods involves a physical contact between the cutting tool and the material being cut or processed.

Unconventional Machining processes: As the name suggest, unconventional machining method involves the use of modern and advanced technology for machine processing. There is no physical contact between the tool and the work piece in such process. Tools used for cutting in unconventional methods are laser beams, electric beam, electric arc, infrared beam, Plasma cutting and so on depending on the type of working material.

Difference between Conventional and non-conventional machining processes are :

  1. Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. In non-conventional process, this is not the case.

  2. Non-conventional tools are more accurate and precise than the conventional tool.

  3. No noise pollution is created as a result of non-conventional methods as these tools are much quieter.

  4. Tool life is long for non-conventional processing.

  5. Non-conventional tools are very expensive than the conventional tools.

  6. Non-conventional tools have complex setup and hence requires a skillful operation by expert workers, whereas conventional tools do not require any special expert for its operation and are quite simple in set-up.

  7. Spare parts of conventional machines are easily available but not for non-conventional machines.


Which machine is more suitable for composite materials?

For a composite material that is composed of different type of materials of different properties, I advise you to use non-conventional machining process as these are more precise and accurate; and will result in fine surface finish.




Author: Jebaprincy    29 Jan 2013      Member Level: Diamond     Points : 6  (Rs 4)    Voting Score: 0

Of course, you should know what is non-conventional machining process which is defined as the process in which materials are removed from the workpiece in most accurate and effective mannar. This is also termed as new machining process. There are different setup for this process. They are:

1. Abrasive jet machining process

2. Water jet machining process

3. Plasma arc machining process

4. Electron beam machining process

5. Electrical dielectric machining process

6. Chemical milling

7. Laser beam machining process

Conventional machining process involves removal of material in form of chips whereas in newer machining, removal of material takes place in form of powders such as water jet machining process or in form of vapour as in case of Please arc or laser beam machining.
So it is best to use highly advanced process such as electron beam, plama arc or laser beam machining to your composite materials.

Author: shakin    09 Mar 2013      Member Level: Silver     Points : 3  (Rs 2)    Voting Score: 0

Machining is the process of cutting of metal to form a preferred component. Generally two broad classification of machining process are there, they are 1. Conventional 2. Nonconventional Conventional machining process uses a sharp cutting tool to cut the metal. In conventional machining process physical contact was made between work piece and took and the metal is removed in the form of chip. Turning, drilling, grinding, broaching, are example of conventional machining process. In nonconventional machining process there was no physical contact between workpiece and the tool. For example ultrasonic machining, abrasive jet machining, water jet machining process etc. Conventional machining process have many advantages over non conventional machining process as they are more precise, now wear of tool, no heat generation etc
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