Other

Question 1

Which primary tasks does the cooling lubricant have?

Answer 1

Cooling;Reduce the thermal load
Lubrication: Frictio & adhesion
Chip removal from everything

Question 2

Different types of topography inspections?

Answer 2

3D=Interferometery
Microspoy
3D-Stylus
2D= 2D-stylus

Question 3

Why use 3D topography instead of 2D

Answer 3

Better visualisation
More data
Functions are usually in 3d
investment

Question 4

Why not 3D over 2D?

Answer 4

More cost and time, 2D good for procution

Question 5

Faults in topography and why?

Answer 5

Roughness: process
Waviness: Machine
Form error: Lack of rigidity

Question 6

Oil,emulsion,mql,air

For cool,lubricate,evacuate chips

Answer 6

Air, quite poor in all regards, can cool some and might blow away some chips
Mql, Like air but with some lubrication
Oil, Great for lubrication, some cooling and poor chip evacuating
Emulsion, Quite good in all regards, water cools, oil lubricates, water flushes away chips