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Working with diamond and CBN

The very hard abrasives Diamond and CBN (cubic, crystalline boron nitride) are important materials for processing surfaces. After diamond, CBN is the second-hardest known material. These materials are irreplaceable for processing the surface and cutting many materials . Their use is often more efficient and economically advantageous than using conventional tools. Their high degree of hardness offers especially long service lives.

CBN has a similarly high thermal conductivity as diamond. It has five times the thermal conductivity of copper. This means that the heat developed during a grinding process can be absorbed by the grinding disc, and can then be dissipated to the coolant or into the environment. So the workpieces heat up much less than, for example, when grinding with corundum. In turn, this ensures that the structure of the peripheral zone is less affected. The relatively high grinding temperatures do not affect CBN chemically when processing iron, nickel or cobalt .


joke offers a wide range of tools for processing:

The very hard abrasives Diamond and CBN (cubic, crystalline boron nitride) are important materials for processing surfaces. After diamond, CBN is the second-hardest known material . These... read more »
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Working with diamond and CBN

The very hard abrasives Diamond and CBN (cubic, crystalline boron nitride) are important materials for processing surfaces. After diamond, CBN is the second-hardest known material. These materials are irreplaceable for processing the surface and cutting many materials . Their use is often more efficient and economically advantageous than using conventional tools. Their high degree of hardness offers especially long service lives.

CBN has a similarly high thermal conductivity as diamond. It has five times the thermal conductivity of copper. This means that the heat developed during a grinding process can be absorbed by the grinding disc, and can then be dissipated to the coolant or into the environment. So the workpieces heat up much less than, for example, when grinding with corundum. In turn, this ensures that the structure of the peripheral zone is less affected. The relatively high grinding temperatures do not affect CBN chemically when processing iron, nickel or cobalt .


joke offers a wide range of tools for processing:

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From €16.51 *
Content 1 piece(s)

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Delivery time 10 working days

From €19.58 *
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Diamond grinding point, cylinder, galvanic bonding, shank Ø 6 mm
Vrecom. = 15 – 20 m/s (head-Ø > 10 mm Vmax. = 20 m/s) • max. extension length 0.5 L, shank tolerance = h6, head tolerance = ± 0.2 mm
From €13.57 *
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Diamond spring steel wires, galvanic bonding
Diamond spring steel wires Flexible application for example for dividing outline parts, reworking of bores or slots in hard materials.
From €18.29 *
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From €8.10 *
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From €9.94 *
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From €13.86 *
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Delivery time 15 working days

Diamond grinding point, solid carbide metal, galvanic bonding, cylinder, shank Ø 3 mm, tl 40 mm
Diamond grinding points, solid carbide metal The diamond grinding points made from solid carbide metal convince through their high rigidity and the...
From €7.65 *
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Diamond grinding point, solid carbide metal, galvanic bonding, cylinder, shank Ø 3 mm, tl 55 mm
Diamond grinding points, solid carbide metal The diamond grinding points made from solid carbide metal convince through their high rigidity and the...
From €14.75 *
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Delivery time 10 working days

Set Diamant-Schleifstifte (20 Stück), Schaft Ø 3 mm
Order number: 0403551-5
The set contains 20 diamond grinding points in the following shapes: Cylinder: Ø 1 mm, Ø 1.5 mm, Ø 2 mm, Ø 2.5 mm, Ø 3 mm and Ø 3.5 mm Sphere: Ø 2...
€33.00 * €48.00 *
Content 20 piece(s)

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From €11.92 *
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Delivery time 10 working days

From €18.48 *
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From €18.36 *
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From €19.49 *
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Delivery time 25 working days

Diamond honing tools for through bores, metallic bond
Diamond honing tools for through bores The cone of the expansion element is hard chrome-plated and fits in the awl body over the entire length....
From €131.75 *
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Diamond grinding point, cylinder, galvanic bonding, shank Ø 3 mm
Vrecom. wet = 15 – 25 m/s • Vrecom. dry = 10 – 20 m/s max. • max. extension length = 0.5 x L, shaft tolerance = h6, head tolerance = ± 0.2 mm
From €8.00 *
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From €3.25 *
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From €155.00 *
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Delivery time 15 working days

14 From 14