Page 114 - Aluminum_Machining_catalog_2023

USER GUIDE
INDEXABLE DRILLING INSERT

Machining Conditions

Cooling Methods Optimizing Chip Shape
Directing the coolant through the tool is essential Chip control is one of the most important factors for
for reliable machining. This method prevents tool performance in order to facilitate chip evacuation
chip pile up, insert damage or breakage, and avoid tool damage.
and damage to the workpiece surface. Cutting conditions must be adjusted
to achieve optimal chip shape.
Internal Coolant External Coolant
How to Achieve Optimal Chip Shape
too tight too long
increase if machining at
speed within high speed, first
recommended limits. optimal reduce speed. if
if not satisfactory, shape unsatisfactory,
decrease feed. increase feed, but
do not exceed
upper limit.

Apply standard cutting data. Drilling depth is limited
to 1.5xD. For larger
depths, a pecking cycle
is recommended.

Rotating Drills

For Best Results
1 Check adapter rigidity.
2 Minimize drill runout in relation to spindle center line.
3 Use recommended cutting conditions.

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