Question

What is the length of the bracket which is used for checking the parallelism of centre slot with the longitudinal movement of the table?

(a) 50 mm

(b) 500 mm

(c) 150 mm

(d) 750 mm

I got this question in class test.

My question is taken from Alignment Tests on Milling Machine in division Machine Tool Metrology of Engineering Metrology

Answer 1

Right answer is (c) 150 mm

To explain: The parallelism of the central slot with the longitudinal movement of the table is checked with the help of a bracket. Length of the bracket is 150 millimeter with a tennon which enters the T-slot.