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Diamond coating layer cutter for composite material machining and preparation method thereof

A technology of diamond coating and composite materials, applied in metal material coating technology, coating, metal processing, etc., can solve problems such as high production costs, inability to fully meet the needs of composite material processing, and limit the scope of use. Low, easy to achieve industrialization, and improve the effect of processing quality

Inactive Publication Date: 2016-01-06
XIAMEN GOLDEN EGRET SPECIAL ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its PCD diamond tool is difficult to make a slightly complicated form due to the limitation of geometric shape processing, and its high production cost limits its application range and cannot fully meet the needs of composite material processing.

Method used

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  • Diamond coating layer cutter for composite material machining and preparation method thereof
  • Diamond coating layer cutter for composite material machining and preparation method thereof
  • Diamond coating layer cutter for composite material machining and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] see figure 1 Shown, a kind of diamond-coated cutting tool for composite material processing of the present invention comprises a substrate 10 and two layers of diamond coatings with hard and wear-resistant features deposited on the substrate by CVD; wherein the diamond coating 11 is The submicrocrystalline diamond coating, the diamond coating 12 is an ultrafine nanocrystalline diamond coating, and the diamond coating on the surface layer is the ultrafine nanocrystalline diamond coating 12 .

[0034] The thickness of the submicrocrystalline diamond coating 11 is 4-5um, and the submicrocrystalline average grain size of the submicrocrystalline diamond coating 11 is 2-3um;

[0035] The thickness of the ultra-fine nanocrystalline diamond coating 12 is 5-6 um, and the average grain size of the ultra-fine nano-crystalline diamond coating 12 is 0.4-0.5 um.

[0036] The coating preparation method of the present embodiment is as follows:

[0037] Select cemented carbide tools d...

Embodiment 2

[0039] see figure 2 As shown, a diamond-coated cutting tool for composite material processing of the present invention includes a substrate 10 and four layers of diamond coatings with hard and wear-resistant characteristics deposited on the substrate by CVD; wherein the diamond coating 21 is sub- Microcrystalline diamond coating, diamond coating 22 is an ultrafine nanocrystalline diamond coating, diamond coating 23 is a submicrocrystalline diamond coating, and diamond coating 24 is an ultrafine nanocrystalline diamond coating. The layer is the ultrafine nanocrystalline diamond coating 24 .

[0040]The thickness of the submicrocrystalline diamond coating 21 is 1-2 um, and the average grain size of the sub-microcrystalline diamond coating 21 is 1-2 um;

[0041] The thickness of the ultrafine nanocrystalline diamond coating 22 is 1-2um, and the average grain size of the ultrafine nanocrystalline diamond coating 22 is 0.4-0.5um;

[0042] The thickness of the submicrocrystalline...

Embodiment 3

[0047] see image 3 As shown, a diamond-coated cutting tool for composite material processing of the present invention includes a substrate 10 and a two-layer diamond coating with hard and wear-resistant characteristics deposited on the substrate by a CVD method; wherein the diamond coating 31 is sub- Microcrystalline diamond coating, the diamond coating 32 is an ultrafine nanocrystalline diamond coating, and the diamond coating on the surface is the ultrafine nanocrystalline diamond coating 32 .

[0048] The thickness of the submicrocrystalline diamond coating 31 is 7-8um, and the submicrocrystalline average grain size of the submicrocrystalline diamond coating 31 is 2-3um;

[0049] The thickness of the ultrafine nanocrystalline diamond coating 32 is 2-3 um, and the average grain size of the ultrafine nanocrystalline diamond coating 32 is 0.4-0.5 um.

[0050] The coating preparation method of the present embodiment is as follows:

[0051] Select cemented carbide tools dedic...

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PUM

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Abstract

The invention discloses a diamond coating layer cutter for composite material machining and a preparation method thereof. The diamond coating layer cutter for composite material machining comprises a basal body, and a diamond coating layer deposited on the basal body by a hot wire CVD method or a microwave plasma method and having the characteristics of high hardness, low friction coefficient and low wear, wherein the diamond coating layer is a multilayer-structured coating layer compounded by a sub-microcrystal diamond coating layer and an ultrafine nanocrystal diamond coating layer; and the surface of the diamond coating layer is the ultrafine nanocrystal diamond coating layer. The basal body is manufactured by a hard alloy material, a metal ceramic material, a ceramic material, a material based on cubic boron nitride or a high-speed steel material. Through the improvement of the diamond coating layer structure, the difficulty of easy wear of the cutter for composite material machining is overcome, and the composite material surface machining quality is guaranteed.

Description

technical field [0001] The invention relates to the field of diamond-coated cutters for processing composite materials and the coating thereof, in particular to a diamond-coated cutter mainly used for processing carbon fiber composite materials and a preparation method thereof. Background technique [0002] Carbon fiber composite materials have the characteristics of high specific strength, high specific modulus, good fatigue resistance, excellent heat resistance, light specific gravity, and good shock absorption performance. They are widely used in aviation, aerospace, automobiles, ships, textile machinery, petrochemical, construction and Sports equipment and other fields are widely used. For example, on civil aircraft B757, B767, B777, A300, and A340, the amount of composite materials has accounted for 11% to 20% of the total materials used in the aircraft; a large number of commercial aircraft B787 use carbon fiber reinforced composites (CFRP ), has accounted for 11% of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D1/00C23C16/27
Inventor 陈亚奋卢志红林彩妹张守全
Owner XIAMEN GOLDEN EGRET SPECIAL ALLOY
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