Drill bits knowledge

How to Drill Effectively

Successful drilling involves three elements:

1)forming a chip

2)accommodating a chip

3)evacuating a chip

 

Drill Geometry

Use a split-point drill possible.

Use a split-point drill if possible.Split -point begin removing material on contact and drill more efficiently.

WARNING:Two-flute drills should not be used to enlarge pre-existing holes.

 

Drilling the Hole

Use the proper feed rate.

Avoid the tendency to overspeed and underfeed.

Use low speeds and light feeds for hard materials.

To decrease drilling effort required ,used a split-point drill.