Machining-and-machine-tool-operations Questions Set 24:
Under what frequency range is ultrasonic machining done?
Solution:
At which speeds do cemented carbide tools wear out faster?
Solution:
What is the recommended helix angle of a drill bit for drilling aluminum?
Solution:
In which type of machining operation, the motion of the cutting tool is both rotary and translating?
Solution:
The rate at which a recovery process occurs in an isothermal anneal always decreases with _____
Solution:
In which type of metal removal process is material removed by high-velocity particles impinging on the surface?
Solution:
In order to prevent the tool from rubbing the work, relief angles on tools are provided.
Solution:
Which of the following is the correct mechanism for material removal in electron beam machining?
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A hole with 50 mm diameter and 60 mm depth is to be drilled in mild steel components. The cutting speed is 70 m/min and the feed rate is 0.25 mm/rev. If the drill point angle is 118° and the over-travel is 3 mm, the time (in minutes) required to drill the hole is:
Solution:
A. No cutting fluid is used while machining cast iron.
B. The graphite in cast iron acts as a lubricant.
Solution:
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