Magnetic Moulding
Alagappa Chettiar College of Engineering & Technology
Government of Tamilnadu
Karaikudi – 630004, Tamilnadu.
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-BY HARI PRASAD.L (hariprasadmech@gmail.com)
PONRAJ JOHN KENNEDY.A (jkmech@gmail.com)
CONTACT :
Third Year Mechanical Engg,
A.C.College of Engg & Tech.
Karaikudi-630004.
( 9894984464.
ABSTRACT
Evolution of casting techniques can be classified into three generations. In the first and oldest generation mould is made by means of squeezing and jolting the green mould sand. In the second generation the organic binder are used to stabilize the moulding materials. In the third generation or the latest generation the physical means such as gravity, vacuum or magnetic field is used for stabilization of the free flowing dry moulding materials. The development of unbounded casting process improves flexibility and enhances mould ability. The concept of unbounded casting is to change the kind of binder or to avoid substantial binder.
Magnetic moulding is a type of unbounded moulding process in which a dry and free flowing magnetic steel shots or granules are used as mould materials. The pattern for the required job is made of using expendable polystyrene materials. An electromagnetic field is created using electro magnets and this magnetic field is used as the binding force.
In this paper, the design and fabrication issues of Magnetic Moulds are explained. The cost analysis and sample castings produced by this method and the factors influencing their accuracy are elaborated.
INTRODUCTION:
Organizations in today’s competitive environment face dynamic and unpredictable demand from customers. The need to manufacture small quantities of highly
Government of Tamilnadu
Karaikudi – 630004, Tamilnadu.
[pic]
[pic]
-BY HARI PRASAD.L (hariprasadmech@gmail.com)
PONRAJ JOHN KENNEDY.A (jkmech@gmail.com)
CONTACT :
Third Year Mechanical Engg,
A.C.College of Engg & Tech.
Karaikudi-630004.
( 9894984464.
ABSTRACT
Evolution of casting techniques can be classified into three generations. In the first and oldest generation mould is made by means of squeezing and jolting the green mould sand. In the second generation the organic binder are used to stabilize the moulding materials. In the third generation or the latest generation the physical means such as gravity, vacuum or magnetic field is used for stabilization of the free flowing dry moulding materials. The development of unbounded casting process improves flexibility and enhances mould ability. The concept of unbounded casting is to change the kind of binder or to avoid substantial binder.
Magnetic moulding is a type of unbounded moulding process in which a dry and free flowing magnetic steel shots or granules are used as mould materials. The pattern for the required job is made of using expendable polystyrene materials. An electromagnetic field is created using electro magnets and this magnetic field is used as the binding force.
In this paper, the design and fabrication issues of Magnetic Moulds are explained. The cost analysis and sample castings produced by this method and the factors influencing their accuracy are elaborated.
INTRODUCTION:
Organizations in today’s competitive environment face dynamic and unpredictable demand from customers. The need to manufacture small quantities of highly