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Bearing house

This large nodular cast iron bearing house holds the main shaft stedy on the main frame. This means that the tolerances in the large hole are tight and requires a productive, yet accurate boring solution.


Dampened Silent Tools® in combination with the Sandvik Coromant precision boring tools is a productive solution.



Best practice




1. Face and shoulder milling

CoroMill® 490 is the versatile face and shoulder milling tool that will cut tool costs and inventories whilst offering higher precision and tighter tolerances.

CoroMill® 490

2. Drilling

Just by exchanging a conventional drill with a CoroDrill® 880, you can double the number of drilled holes in the same amount of time.

Its step technology gives outstanding cutting force balance, providing significant improvements in productivity as well as hole quality. This, in combination with high performance grades makes it outstanding when it comes to rapid hole making.


3. Side and face milling

Machining inside the bearing house can be difficult and time consuming. A cost efficient solution uses high precision CoroMill® 331.

CoroMill® 331

4. Boring

As a complete solution of boring tools, CoroBore XL enables both fine- and rough boring to be completed with high productivity.

The system gives more rigid and reliable performance in larger bores, and is designed to generate the required hole quality and diameter, time and again.

5. Helical interpolation

Helical interpolation is a flexible three-axis ramping technique. With CoroMill® 390 it becomes a truly efficient rough boring alternative.

CoroMill® 390

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