In this present technological world, there is a great importance given to the aerospace as well as power generation industries. Every country has seen the importance of aerospace industry and thus is working with lots of dedication on improving their aerospace products. Similarly, today's world is dependent on the power industry. The metals used in the creation of the products used in these industries are normally casted metal, which increases the strength as well as durability of the product. Various investment casting manufacturers are hired for this purpose, who are expert in their work.
About Investment casting It is an industrial process which is based on the oldest known and widely used casting process - wax casting. It has been in use for about 5000 years. In old times, beeswax was used to form necessary patterns for the casting process. Nowadays, more advanced waxes, refractory materials, and specialist alloys are used by craftsmen to form the desired pattern. Investment casting process The process that the casting manufacturers use for this kind of casting includes:- • Producing a master pattern: One of the most important casting steps which is rarely talked about. Without a good pattern, the quality of the product will be pretty badly affected, which can affect the sales of the product. • Creating a mould: After creation of the master pattern, next step is to create a mould which would perfectly fit into the master pattern. This mould is known as master die. • Produce wax pattern: There are two processes which can be used to do this kind of work. They are :- • The prepared wax is put inside the mould. • The complete mould is filled with molten wax and allowed to be cooled to form a solid object.
• Excellent surface finish • High dimensional accuracy • Extremely intricate parts can be casted • Almost any metal can be cast • No flash or parting lines Disadvantages • Difficult to cast objects that require core. • The process is limited to small casting • Dimensions of the holes created for the product is very precise. • Requires longer production cycles as compared to other casting processes. Investment casting manufacturers seeing the advantage of this method due to its use in machines which are used in one of the most important industry which is power industry, has made them start their own foundry business.
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