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Annular multi-wall layer structure bionic cutter based on bamboo fiber cell walls and preparation method thereof

A bionic tool and cell wall technology, applied in coating, metal material coating process, vacuum evaporation coating and other directions, can solve the problem of inability to balance wear resistance and toughness, achieve good physical and mechanical properties, and improve comprehensive performance. Effect

Active Publication Date: 2022-03-08
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the wear resistance and toughness of the existing cemented carbide cutters cannot be balanced, the present invention proposes a bionic cutter based on bamboo fiber cell wall annular multi-wall structure and a preparation method thereof

Method used

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  • Annular multi-wall layer structure bionic cutter based on bamboo fiber cell walls and preparation method thereof
  • Annular multi-wall layer structure bionic cutter based on bamboo fiber cell walls and preparation method thereof
  • Annular multi-wall layer structure bionic cutter based on bamboo fiber cell walls and preparation method thereof

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specific Embodiment approach 1

[0039] Specific implementation mode one: combine Figure 1 to Figure 4 Describe this embodiment, the bionic cutter based on the bamboo fiber cell wall annular multi-wall structure described in this embodiment includes a cutter body, the shape of the cutter body is a ring, and the cutter body includes an inner layer 1, a second layer that are sequentially fixed from the inside to the outside. A transition layer 2, a second transition layer 3, a third transition layer 4 and an outer wear-resistant layer 5;

[0040] The materials of the inner layer 1, the first transition layer 2, the second transition layer 3, the third transition layer 4 and the outer wear-resistant layer 5 are all WC-Co cemented carbide, and the mass percentage of WC in the inner layer 1 is Higher than the mass percentage of WC in the first transition layer 2, the second transition layer 3 and the third transition layer 4 and lower than the mass percentage of WC in the outer wear-resistant layer 5, the mass pe...

specific Embodiment approach 2

[0045] Specific implementation mode two: combination Figure 1 to Figure 4 To illustrate this embodiment, the mass percentage of Co in the inner layer 1 of this embodiment is 10%, the mass percentage of Co in the first transition layer 2 is 16%, and the mass percentage of Co in the second transition layer 3 is Co content is 14%, the mass percentage content of Co in the third transition layer 4 is 12%, and the mass percentage content of Co in the outer wear-resistant layer 5 is 5%. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0046] The tool body is made of WC-Co cemented carbide, and the contents of WC and Co are different in each part. Because the outer wear-resistant layer will have good wear resistance, the WC content is higher in this layer and the Co content is lower, and the Co content is 5%, so as to improve the wear resistance of the bionic tool; the first transition layer, the second The transition layer and ...

specific Embodiment approach 3

[0047] Specific implementation mode three: combination Figure 1 to Figure 4 To illustrate this embodiment, the surfaces of the inner layer 1 , the first transition layer 2 , the second transition layer 3 , the third transition layer 4 and the outer wear-resistant layer 5 in this embodiment are all coated with adhesive. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0048] Specific implementation mode four: combination Figure 1 to Figure 4 To describe this embodiment, the material of the binder 6 in this embodiment is metal Co. The undisclosed technical features in this embodiment are the same as those in the third embodiment. Here the metal Co acts as a binder between each layer during sintering.

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Abstract

The invention discloses an annular multi-wall layer structure bionic cutter based on bamboo fiber cell walls and a preparation method of the annular multi-wall layer structure bionic cutter, and relates to the technical field of mechanical metal cutting tools and engineering bionics. The invention aims to solve the problem that the wear resistance and toughness of the existing hard alloy cutter cannot be considered simultaneously. The cutter comprises a cutter body, the cutter body is in a circular ring shape, and the cutter body comprises an inner layer, a first transition layer, a second transition layer, a third transition layer and an outer wear-resistant layer which are fixedly connected in sequence from inside to outside. The method is used for cutting machining.

Description

technical field [0001] The invention relates to the technical fields of mechanical metal cutting tools and engineering bionics, in particular to a bionic tool based on a bamboo fiber cell wall annular multi-wall structure and a preparation method thereof. Background technique [0002] Cutting is the most widely used processing technology in the field of mechanical processing. As the basic tool of cutting, the tool is subjected to the friction of the workpiece and chips during work, so that the tool material is gradually worn or damaged. At the same time, when the tool is cutting, It will also bear a large impact force. Under this condition, the tool is also prone to breakage. Therefore, improving the wear resistance and fracture toughness of cutting tools is one of the key issues in cutting tool design. [0003] Bamboo has excellent mechanical properties and is called "vegetable steel". Its strength is 2-3 times that of high-quality steel, and it also has excellent resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F5/00C22C29/08B22F7/04B22F3/02B22F3/10B22F3/24C23C14/35C23C14/16B22F9/04
CPCB22F5/00C22C29/08C22C29/067B22F7/04B22F3/02B22F3/1017B22F3/1007B22F3/24C23C14/35C23C14/165B22F9/04B22F2005/001B22F2003/247B22F2003/242B22F2998/00B22F2007/042B22F2009/043B22F2201/013B22F2201/11
Inventor 马晶杨绍成刘强李胜杰张明鉴
Owner HARBIN UNIV OF SCI & TECH
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