74) The carbide tools operating at very low cutting speed

Answer is:

reduces tool life

The diamond is the hardest tool material and can run at cutting speeds about 50 times that of high speed steel tool.

the ceramic tools can be used at cutting speeds 40 times that of high speed steel tools.

The cemented carbide tools can be used at cutting speeds 10 times that of high speed steel tools.

The ceramic tools can withstand temperature up to 600 degree centigrade only.

Answer is:

Answer is:

Answer is:

Explanation:

Ceramic cutting tools are
* made by cold pressing of aluminum oxide powder
* available in the form of tips
* brittle and have low bending strength

Answer is:

Explanation:

cutting fluids are used to
* cool the tool
* improve surface finish
* cool the work piece