4YRS
CHUNG DING DIAMOND TOOLS CO., LTD.
886-4-2567 4488
886-4-2567 8267
No.24-9, Ln. 7, Dalin Rd., Daya Dist., Taichung City 428, Taiwan (R.O.C.)
www.cdcdia.com.tw

Products

Cubic boron nitride
Tnserted CBN tools – Borning
003

The CBN tool is composed of boron nitride and tungsten carbide base sintered compact.

Boron nitride hardness is only second to PCD, with excellent chemical stability, without chemical affinity with ferrit, cobalt & nickel base alloys!

CBN tools if cutting angle and edge design correctiy, impact resistance can be used in interrupted cutting, due to the awareness of environmental protection.

CBN turning is replacing the traditional grinding greatiy.
Application of CBN boron nitride cutting tools

CBN tool proposed preliminary cutting data, the application can be used to provide the data in the table as a starting point,

And then with the actual situation to be corrected parameters.
Use the CBN tool should pay attention to matters

1, the machine must be stable, the cutter is left hanging to be short, the clamp should be fixed!

2, as far as possible the use of negative angle blade, such as TNMA1604, VNMG1604....

3, choose a larger angle, or it should be at least 15.

4, cutting conditions with reference to the proposed value.

5, heat resistant alloy or hard machining material, must be chamfered, to prevent the cutter, workpiece edge chipping phenomenon.

6, the use of adequate cutting fluid.

7, the shape of the blade must be particularly careful selection:

CBN negative angle according to the actual processing can be 15 or 20, or 25, or 30, or 35, or 40, or 45 degree.

According to different processing needs, using different angles.

For a better surface roughness and life, there is a kind of Small-radius (honed SRH) processing method,

The original negative angle of the CBN is coupled with a small R angle. (between 0.02~0.05)

Specification

Names

Tnserted CBN tools – Borning

Materials

Hardened ferrous steel, Cobalt, Nickel with HRC: 40 above. Such as Tool-steel, Die-steel, Alloy-steel, Case iron, Cold-chilled cast iron etc.

Hardness

HV300~5000

Property

Good ductility, Wear resistance, Thermal conductivity

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