The two most important parameters for controlling tool wear and tool cutting per
ID: 1717530 • Letter: T
Question
The two most important parameters for controlling tool wear and tool cutting performance for a particular material are cutting and cutting Describe the following types of milling operations: Profile milling Face milling What characteristic with regard to end teeth is present in a center-type end mill tool? List three kinds of machining operations center-type end mills can perform that regular end mills cannot. Dcscribe three advantages and three disadvantages of using carbide insert milling tools. What are three advantages of using titanium-nitride-coated tools?Explanation / Answer
Solution 3.6
Answers are:- Speed and Feed
Solution 3.7
a). Profile Milling
=> For complex profiles, cut by side of tool
b). Face Milling
=> For achieving finished surface, cut by tool bottom
Solution 3.8
>> The characteristic in center type end mill tool with regard to end teeth present is:
They are flat bottomed cutters, but also include rounded cutters (referred to as ball nosed) and radiused cutters (referred to as bull nose, or torus).
Solution 3.9
>> Advantages of Carbide Insert Milling Tools:
1). High Abrasion Resistance
2). More Precise, i.e. good dimensional accuracy
3). Long Life
>> Disadvantages of Carbide Insert Milling Tools:
1). High Cost
2). Manufacturing these is very difficult
Solution (3.10)
>> Advantages of using Titanium Nitride Coating Tools.
1). Excellent Wear Resistance
2). Thermal Stability
3). Low coefficient of friction ( reduces Built up edge).
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