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    Investment Castings
    The Investment casting (by “Lost-wax”) process techniques was derived from the ancient casting     method used among Egyptians over about 5,000 years ago for producing Jewelleries, Artistic items and     images of deities with extremely minute details.
    Now, this ancient technique has become most preferring method to produce dimensionally accurate     high-precision casting components in various industries around the globe using with high temperature     resistant ceramic moulding materials & binders. This casting method has a lot of advantages in     comparison with other variety of casting processes. When the other processes fail to succeed, the     castings of engineering parts and other various mechanical parts having small sizes to big different     shapes can be manufactured quickly in large quantities through investment casting by “Lost-wax”     process.
    The “Lost-wax” casting process starts from injecting molten wax into a designed Mould to form Wax     Pattern of the desired component. These wax pattern’s are assembled to a wax mould which is called     ‘tree’.
    There after this tree is coated with ceramic based slurry with number of coats and dried in controlled     atmosphere. After the ceramic based slurry coats are dried, then the wax is removed from the mould     which is known as a De-waxing process. Hence this process is called as a “Lost-wax process”. The     internal cavity after de-waxing is called “Shell or Ceramic Mould”. The molten metal is then poured into     the “Shell or Ceramic Mould” which are heated along with the metal and allowed to cool. Finally, the     external mould is broken and the castings are retained.
    The ability to cast thin wall parts with close tolerance and stability is an advantage of investment casting.     The final products will have smooth surface finishing. Machining can be eliminated or reduced along with     best finish in 'As cast' condition.
    Advantages of Investment Castings
Liberty of design
This casting method offers the greatest flexibility of construction of complex structures, artistic design and gives sophisticated appearance to the castings. This special technology also offers the freedom of design because undercuts, thin wall-thickness / 3 -dimensionally shaped areas can be produced. This versatile process allows to produce an extensive range of products for a variety of industries.
precision investment castings
Freedom in selection of vast variety of materials
It allows freedom in selection of suitable alloys. All ferrous based steel and stainless steel materials as per Global Standards can be produced.
Dimensional control
This process allows to achieve the precise dimensional control which may lead to eliminate machining of the component by getting the desired dimensional accuracy in 'As cast' condition along with saving of machining cost and time also.
precision investment casting manufacturers
High quality surface finish
The process allows to achieve high quality surface finish
Fabricated parts
Many fabricated parts can be converted into castings by simple designing and developing the same into single piece component. This will lead to cost-saving as well as time eliminating welding, assembling and machining of the product. Also, the products can be manufactured in larger quantity which will not be possible by fabrication process.
precision investment casting manufacturers
Re-production of fine details
This casting method gives the freedom for perfect re-production of fine details viz. slots, holes and case lettering etc.
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Manufactures & exporters of precision investment castings. Precision investment casting manufacturers