It is a kind of towards the cemented carbide material for building work drilling processingTechnical field
It is specifically a kind of towards the cemented carbide material for building work drilling processing the invention belongs to hard alloy field.
Background technique
One kind that hardware tool industry is suitable for drilling on the crisp and hard materials such as ceramics, glass, granite, ceramic tile and brick wall is builtWork cutter, the material are a kind of carbide bits, it is only necessary to be can be used on common electric hand drill.It is needed when drilling plus coldBut agent (general water, turpentine Water Oil Or Gas), this cutter weld carbide bit for drilling of accurately feeling relieved, high temperature cobalt, directlyShape drillstock, bit face can coating, but the drill bit material supplied in the market is irregular, and it is big notch resistance usually occur, closesGolden easily fragmentation and not wear-resisting, punching wild effect.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of towards the hard alloy material for building work drilling processingMaterial.
In order to solve the above-mentioned technical problem, the present invention takes following technical scheme:
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
Tungsten carbide wc: 92-93.5 parts, Co:5.8-6.2 parts of cobalt, chromium carbide Cr3C2: 0.5 part -1.0 parts, tantalum carbide TaC:0-0.8Part, the particle size range of WC is 0.6-0.8 μm, Cr3C2Particle size range with TaC is 0.6-0.8 μm, and the particle size range of Co is0.6-0.8μm。
92.9 parts of the WC, Cr3C20.5 part, 0.8 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.8 μm,Cr3C2Granule size with TaC is 0.8 μm, and the granularity of Co is 0.6 μm.
93.1 parts of the WC, Cr3C21.0 parts, 0.8 part of TaC, 6.0 parts of Co, the average grain diameter of WC is 0.75 μm,Cr3C2Granule size with TaC is 0.7 μm, and the granularity of Co is 0.7 μm.
92.7 parts of the WC, Cr3C21.0 parts, 0 part of TaC, 6.1 parts of Co, the average grain diameter of WC is 0.65 μm, Cr3C2Granule size with TaC is 0.6 μm, and the granularity of Co is 0.75 μm.
92.3 parts of the WC, Cr3C20.7 part, 0 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.6 μm, Cr3C2Granule size with TaC is 0.6 μm, and the granularity of Co is 0.8 μm.
92.9 parts of the WC, Cr3C20.5 part, 0.8 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.8 μm,Cr3C2Granule size with TaC is 0.8 μm, and the granularity of Co is 0.8 μm.
The present invention carries out the proportion of science by the improvement to cemented carbide material formula, when processing, drilling tool withThe processing object processing contact heat generated and the heat of external environment can't change hard alloy cutter interior microscopic knotThe variation of structure, internal stress will not due to high temperature moment concentrate outburst and generate collapse, fragmentation and service life short not wear-resisting phenomenon,The hardness performance that the cemented carbide material is excellent in when room temperature is applied, while the hardness performance can be kept at high temperature,With excellent high temperature red hardness.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, below with reference toPresent invention is further described in detail for specific embodiment.
Embodiment one
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
92.9 parts of the tungsten carbide wc, chromium carbide Cr3C20.5 part, 0.8 part of tantalum carbide TaC, 5.8 parts of cobalt Co, WC's is averagedPartial size is 0.8 μm, Cr3C2Granule size with TaC is 0.8 μm, and the granularity of Co is 0.6 μm.
Embodiment two
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
93.1 parts of the WC, Cr3C21.0 parts, 0.8 part of TaC, 6.0 parts of Co, the average grain diameter of WC is 0.75 μm, Cr3C2WithThe granule size of TaC is 0.7 μm, and the granularity of Co is 0.7 μm.
Embodiment three
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
92.7 parts of the WC, Cr3C21.0 parts, 0 part of TaC, 6.1 parts of Co, the average grain diameter of WC is 0.65 μm, Cr3C2WithThe granule size of TaC is 0.6 μm, and the granularity of Co is 0.75 μm.
Example IV
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
92.3 parts of the WC, Cr3C20.7 part, 0 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.6 μm, Cr3C2And TaCGranule size be 0.6 μm, the granularity of Co is 0.8 μm.
Embodiment five
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
92.9 parts of the WC, Cr3C20.5 part, 0.8 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.8 μm, Cr3C2WithThe granule size of TaC is 0.8 μm, and the granularity of Co is 0.8 μm.
Embodiment six
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
92 parts of the WC, Cr3C20.5 part, 0 part of TaC, 5.8 parts of Co, the average grain diameter of WC is 0.6 μm, Cr3C2With TaC'sGranule size is 0.6 μm, and the granularity of Co is 0.6 μm.
Embodiment seven
It is a kind of towards the cemented carbide material for building work drilling processing, be made of following raw material in parts by weight:
9.5 parts of the WC, Cr3C20.8 part, 0.8 part of TaC, 6.2 parts of Co, the average grain diameter of WC is 0.8 μm, Cr3C2WithThe granule size of TaC is 0.8 μm, and the granularity of Co is 0.8 μm.
The present invention arranges in pairs or groups by adjusting the Fisher particle size range and cobalt content of WC and the proportion of various metals carbide,It invents a kind of hard alloy new material for being conducive to build work drilling processing, solves the easy fragmentation of alloy in drilling process and notWear-resisting problem.The quality of drill bit made of ensuring, it is not easily broken and wear-resistant.
It should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although ginsengAccording to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned realityTechnical solution documented by example is applied to modify or equivalent replacement of some of the technical features, but it is all in this hairWithin bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present inventionWithin.