Cork Institute of Technology
Higher Certificate in Engineering in Mechanical Engineering - Stage 1
(NFQ –Level 6)
Autumn 2006
Manufacturing Technology - (Production and Welding)
(Time: 3 Hours)
Instructions. Examiners:.Mr.M.J.Daly
Answer FIVE questions. Answer THREE Mr.R.Kennedy
questions from Section A and TWO questions Mr.J.Burns
from Section B. Mr.J Connolly
Use separate answer books for each Section. Mr.R.Simpson
All questions carry equal marks.
Section A
Q1. (a) What is the difference between a sensitive and non-sensitive drilling machine? (2 marks)
(b) With the aid of a neat detailed cross section drawing of a drilling machine spindle
assembly, indicate how both rotary cutting motion and sliding feed motion are achieved.
(12 marks)
(c) Indicate with the aid of a neat diagram, the following on a sensitive drilling machine:
(i) spindle feed stop (3 marks)
(ii) speed adjustment (without the aid of a gearbox). (3 marks)
Q2. (a) With the aid of a neat detailed diagram, describe a vernier height gauge. (12 marks)
(b) What important precautions should you observe before using the height gauge? Briefly
state, with the aid of a diagram, how might it be put right, assuming there is a problem
with it. (4 marks)
(c) Show a partial diagram of a height gauge reading 37.97 mm. (4 marks)
