Changes in workpiece materials, part tolerance and geometries, and the size of the production run will result in changes in ________ . (choose all that apply)
A. Only cutting tool materials
B. Only cutting tool geometries
C. Both A and B
5) Which one of the following is not a characteristic of an ideal cutting tool?
A. Good hardness and hot hardness.
B. Wear resistant.
C. Impact resistant.
D. Chemically active.
E. Thermal shock resistant.
6) Carbide cutting tools perform much better than high-speed steel (HSS) tools; therefore, the application of HSS tools has been eliminated by carbide cutting tools.
A. True
B. False
7) Carbide cutting tools can maintain good performance at elevated temperatures up to about __________ degrees Celsius.
A. 600
B. 1200
C. 1800
8) Generally speaking, as the binder (cobalt) content in a carbide tool increases, the strength of the tool will ________, and the wear resistance will _________ .
A. increase, increase
B. increase, decrease
C. decrease, decrease
D. decrease, increase
10) Which tool material is a good choice to do high-speed rough turning of cast iron?
A. Alumina-based ceramic.
B. Silicon nitride-based ceramic