Question

A drilling machine shows a combination of motion why ?



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Answer 1

Answer:

When we perform drilling operations.

The drill 2 motion

One is rotary and second is translatory motion

Let understand it.

When we start the drilling operation the the twist drill( in general language drilling bit)

Is held in the chuck and chuck is connected to the spindle which provides the rotation to the drilling bit

When drilling bit starts rotation and come in the contact with workpiece the dead center or chisel edge start penetration in work piece

And cause remove of material from work pieces and due to this the drilling moves inside the work piece and create hole.

This is ur ans hope it will help you in case of any doubt comment below

Answer 2

Answer:

uper wala ans. shi h okk