B. Machining is a manufacturing process in which material is removed in form of chips.
Everything we observe around us like moving automobiles, large metal structures, bridges, poles etc are made up by use of Various machining processes.
For all metal industries machining is compulsory operation in it's work domain. Hence Machining processes have very important role in infrastructural developments. Hence we can see machining is very important technologically as well as commercially.
C) cutting operation depends on following parameters directly or indirectly.
1) geometry of tool (various cutting angles and nose radius)
2) cutting velocity, feed rate and depth of cut
2) hardness of Tool
3.) Lubrications conditions etc
D) In Orthogonal cutting cutting edge of tool is perpendicular to direction of motion of tool and chip flows perpendicular to cutting edge
Orthogonal cutting is also known as 2D cutting because forces are developed in 2D only.
Shaping , planning etc are example of orthogonal Cutting.
b. Identify some of the reasons why machining is commercially and technologycally important? c. What are...
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9. Which of the following reasons necessitate(s) rough machining before finish Machining? a) b) c) d) When the material removal amount exceeds the horsepower of the machine When the material removal amount exceeds the designed safe cutting limit of the tool or machine To assure that a minimum amount of material is machined in order to maintain a required tolerance throughout a production run To assure that a minimum amount of material is machined in order to maintain a required...
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