INTRODUCTION TO CNC - Quiz

1) How the minimum three axes are named in CNC machines?

Axes of X,Y, and Z Axes of A,B and C Axes of P,Q and R Axes of I,J and K

2) What do you mean by HMC axis convention of CNC machines?

Horizontal Marking Centre Horizontal Machining Centre Horizontal Measuring Centre Horizontal Machining Contour

3) Which one of the direction shown by thumb finger in right hand coordinate system?

Direction of spindle rotation Direction of X axis Direction of Y axis Direction of Z axis

4) What do you mean by coordinate system?

The coordinate system is a two dimensional number line It is only the direction of spindle rotation The cutting tool has to move in longitudinal direction The work table has to move radial for 180 degrees

5) What involves to produce component on conventional lathe?

Involves more manual work More production rate Less manual work Computer takes care