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TECHNICAL INFORMATION
HELICAL INTERPOLATION
DRILLING - IRREGULAR WORK SURFACES
The example below shows a hole-making operation in a workpiece with irregular surface and weak set-up.
When using a drill body, until the full engagement is achieved, the operation is unbalanced causing vibrations,
demanding a large feed rate reduction, with high risk of insert breakage. It can reduce the productivity in some
cases.
Irregular surfaces /
Unbalanced operation
Full engagement
area
HELICAL MILLING - IRREGULAR WORK SURFACES
In this case, the helical milling machine strategy is the best option because it has:
1.
2.
3.
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Good chip control and evacuation
Better surface quality and dimensional tolerances
Lower power consumption and vibration tendencies = more machining stability