At how many points the axial slip is tested on the collar of the spindle?
(a) 2, 180 degree apart
(b) 2, 90 degree apart
(c) 4, 90 degree apart
(d) 3, 60 degree apart
I have been asked this question during an interview for a job.
This is a very interesting question from Alignment Tests on Milling Machine topic in portion Machine Tool Metrology of Engineering Metrology