The Monoblock Cutting Tool for More Than Just Face Milling!

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If you ask any DATRON application technician what their favorite cutting tool is, there’s a high probability that you’ll get this answer: The Monoblock Cutting Tool (aka. the Monoblock).

In our world of high RPM spindles, the Monoblock cutting tool is King. Co-Developed with industry leaders Big-Kaiser, the Monoblock is a 20mm, double-flute, indexable insert cutter, and is a tool of many talents.

What Sets the Monoblock Cutting Tool Apart?

1. Rigid design – The Monoblock cutting tool is different from our standard tooling in that there is no shank to clamp on – the tool and tool holder are one. By integrating the HSK-E25 taper into the tool itself, a very robust tool is provided.

2. Vibration free – Not only is it tough, but this clever design also allows for extremely minimal vibration, even at its recommended limit of 36,000 RPM! This allows for very smooth operation even under heavy load.

3. Clever cutter geometry – The cutting inserts have been engineered to provide a perfect all-around performer. A large edge radius and wiper flat provide excellent floor finish, while high radial and axial rake angles allow for lower cutting resistance for more efficient roughing.

4. Cost efficiency – The inserts for the Monoblock cutting tool come in two varieties – polished carbide for milling of plastics or non-ferrous metals, as well as specially treated inserts for milling of steel. Either way, the inserts are engineered to last, and can even be flipped 180 degrees for an entire second round of punishment. Once the inserts are depleted, simply replace them both and carry on.

Monoblock cutting tool made by DATRON is used in high-speed machining applications.
The Monoblock Cutting Tool from DATRON – provides true flexibility in high-speed machining applications.

What Can You Do With The Monoblock Cutting Tool?

    The question should be “What can’t you do with the Monoblock?”

Face milling – Combining three excellent characteristics: edge radius, wiper flat, and vibration free operation, results in some of the smoothest possible floor finishes.

Ramp/Helix milling – While the Monoblock isn’t center cutting (no straight plunging) you can accommodate a 3-5 degree ramp angle. Pair this with the high feed/speed capabilities of the DATRON and you can make quick work of most features.

Roughing – The previously mentioned cutter geometry allows for very aggressive depths of cut at very high feed rates, as can be seen clearly in one of our well-known demonstration videos. In this instance, a very heavy stepover was utilized (80% of tool diameter) with a smaller depth of cut (around 8% of tool diameter). You can also choose to utilize the entire 10mm of cutting flute to boost efficiency as seen in my Instagram post:

3D contouring – Since the edge radius on the Monoblock cutting tool is rather sizable (0.8mm) it can serve as a bull-nose cutter for doing some large scale 3D contours – and since the tool is rock-steady, the surface finish comes out gorgeous.

So, there you have it. Now you can understand why the Monoblock cutting tool is the King in the house of DATRON.

Learn More: Download DATRON Cutting Tool Catalog

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About the Author

Dann Demazure is an Applications Engineer at DATRON Dynamics. His technical expertise makes him an integral part of programming new projects for potential and current customers as well as training them on the use of their equipment.