Boron carbide lathe tool comprising tool rest
A technology of boron carbide turning and cubic boron carbide, which is applied in the accessories of tool holders, turning equipment, tools for lathes, etc. and improved heat resistance, good effect and strong hardness
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Embodiment 1
[0009] The turning tool includes a tool and a tool holder. The material of the tool holder is a nickel-based alloy. The tool is composed of 85% by weight, cubic boron carbide micropowder with a particle size of 6 μm, 0.5% by weight, and 99.6% purity of microcrystalline powdery boron, 5% by weight, and 5% by weight. It consists of microcrystalline powdery silicon dioxide with a purity of 99.8% by weight and 9.5% by weight of carbon having a diamond structure.
[0010] Use the following production methods:
[0011] a. Put the nickel base alloy knife holder into the graphite mold;
[0012] b. Put the tool material into the graphite mold with the knife holder, and the graphite mold is sealed by graphite;
[0013] c. Put the mold into the ultra-high pressure synthesis cavity to form an ultra-high pressure assembly block;
[0014] d. Pressurize the tool material to 13Gpa and heat it to 1800°C for 140 seconds.
Embodiment 2
[0016] The turning tool includes a tool and a tool holder. The material of the tool holder is ceramics. The tool is made of 80% by weight of cubic boron carbide micropowder with a particle size of 5 μm, 2% by weight of boron with a purity of 99.9% microcrystalline powder, 8% by weight, Microcrystalline powdery silicon dioxide with a purity of 99.9%, 10% by weight of carbon having a diamond structure.
[0017] Use the following production methods:
[0018] a. Put the ceramic knife holder into the graphite mold;
[0019] b. Put the tool material into the graphite mold with the knife holder, and the graphite mold is sealed by graphite;
[0020] c. Put the mold into the ultra-high pressure synthesis cavity to form an ultra-high pressure assembly block;
[0021] d. Pressurize the tool material to 13.5Gpa and heat it to 1900°C for 130 seconds.
Embodiment 3
[0023] The turning tool includes a tool and a tool holder. The material of the tool holder is a nickel-based alloy. The tool is composed of 85% by weight, cubic boron carbide micropowder with a particle size of 6 μm, 0.5% by weight, and 99.6% purity of microcrystalline powdery boron, 5% by weight, and 5% by weight. It consists of microcrystalline powdery silicon dioxide with a purity of 99.8% by weight and 9.5% by weight of carbon having a diamond structure.
[0024] Use the following production methods:
[0025] a. Put the nickel base alloy knife holder into the graphite mold;
[0026] b. Put the tool material into the graphite mold with the knife holder, and the graphite mold is sealed by graphite;
[0027] c. Put the mold into the ultra-high pressure synthesis cavity to form an ultra-high pressure assembly block;
[0028] d. Pressurize the tool material to 12Gpa and heat it to 1700°C for 140 seconds.
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Abstract
Description
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