18 Questions
What is the function of the swivel table in the drilling machine?
To move up and down by rotational motion
How is the power transmission system in the drilling machine explained?
Involving a motor, stepped pulley, V-belt, and spindle
Which component is responsible for holding the drill bit in place in the drilling machine?
Chuck
What is the role of the rack and pinion mechanism in the drilling machine?
To convert rotational motion into linear motion
How does the spindle of the drilling machine move up and down to provide feed to the work?
By using a hand-wheel that rotates the spindle vertically
Why is a V-belt used instead of a flat belt in the power transmission system of a drilling machine?
To increase power efficiency
What is the purpose of grinding in high-precision grinding machines?
To remove a very small amount of the workpiece surface per pass
What is the primary function of the grinding ball mill in the grinding process?
Utilizing hollow balls with grinding media to grind materials
Why is grinding necessary in manufacturing processes?
To remove excessive material
What determines the type of grinding media used in a grinding ball mill?
The material being ground and other relevant factors
In high-precision grinding machines, why is it possible to achieve flatness tolerances of less than ±0.0001 in. on a steel surface?
With the capability of grinding to produce such flatness tolerances
'The fall of the grinding media is what causes the material to be ground.' What does this statement suggest about the role of grinding media in a grinding ball mill?
It impacts the speed at which materials are ground
What is the primary function of a lathe in metalworking?
To remove unwanted material from a rotating workpiece
Which component of the center lathe machine holds the workpiece?
Chuck or faceplate
What is the purpose of the column in a center lathe?
To support the tool post and guide the tool
How does the power transmission system in a center lathe work?
It rotates the workpiece and keeps the tool stationary
What is the function of the swivel table mechanism in a center lathe?
To adjust the angle of the workpiece
Which of the following machining operations can be performed on a center lathe?
Turning
Test your knowledge on power transmission systems in mechanical engineering, including components like motor, pulleys, belts, and spindles. Learn about how rotational motion is converted into linear motion in machines like drilling machines.
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