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Coining and forming are two special kinds of which forging operation?

Coining and forming are two special kinds of which forging operation? Correct Answer Press

Coining is a severe metal squeezing operation in which the flow of metal occurs at the top layers of the material and not throughout the values The operation is carried out in closed dies mainly for the purpose of producing fine details such as needed in minting coins, and metal or jewellery making. The blank is kept in the die cavity and pressure as high as five to six times the strength of material is applied. Depending upon the details required to be coined on the part, ore than one coining operation may be used.

Related Questions

Consider the following in case of high-energy forming processes: 1. The evacuation between die and blank in explosive forming is done by a vacuum pump. 2. The pressure waves produced in water in explosive forming deform the blank to the die shape. 3. The electrohydraulic forming makes use of discharge of large amount of electrical energy used in a capacitor bank. 4. In Petroforge, the piston is moved by combustion of fuel moving at the rate of 150-200 m/s. Which of the above are correct?
Precision forging is a type of forging operation in which the metal stocks and dies are controlled very tightly.
Isothermal forging is also known as cold forging operation.
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Forging is a metal forming operation in which the metal is stretched to form the desired shape of a metal part.
Thread rolling is a kind of metal forming which is essentially a hot forging operation.
Consider the following statements about the Scheduled Castes and the Scheduled Tribes under the provisions of the Constitution of India : 1. State can make any special provision relating to their admission to the Government educational institutions. 2. State can make any special provision relating to their admission to the private educational institutions aided by the State. 3. State can make any special provision relating to their admission to the private educational institutions not aided by the State. 4. State can make any special provision relating to their admission to the minority educational institutions as described in Article 30. Which of the statements given above are correct?
The coining operation is a ___________ process.
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