Which of the following processes is used for the manufacturing of steel balls for ball bearings?
The mode of deformation of the metal during spinning is
The size of a press is specified of
Two or more cutting operations are performed at one station of the press in every stroke of the ram in a
Blanking and drawing operations can be performed at one station of the press in the stroke of the ram in a
A combination die is same as that of a compound die with the main difference that in this non-cutting operations such as bending and forming are also included as part of the operation. Often the nomenclature compound and combination die are interchangeably used for the same type of die.
Which is not the application of forging?
Rail sections are formed by rolling process and steel balls of ball bearings are formed by cold heading process.
Which of the following processes is to be used for mass production of connecting rods of automobile engines?
Typical applications of forging; connecting rods, balls and shafts.
In order to get uniform thickness of the plate by rolling process, one provides
Consider the following statements related to piercing and blanking:
1. Shear on the punch reduces the maximum cutting force.
2. Shear increases the capacity of the press needed.
3. Shear increases life of the punch.
4. The total energy needed to make the cut remains unaltered due to provision of shear.
Which of the abvoe statements are correct?
The process of putting a rod through several dies of decreasing diameter is known as
Correct Answer :- A
Explanation : The process of putting a rod through several dies of decreasing diameter is known as wire drawing.