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Carbon fiber implanted high-hardness surface microstructure and preparation method and device thereof

A microstructure and carbon fiber technology, applied in welding equipment, manufacturing tools, non-electric welding equipment, etc., can solve the problems of high hardness surface wear and short service life of gear pairs, reduce friction, maintain sharpness, and protect knives Effect

Active Publication Date: 2019-12-03
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-hardness surface microstructure implanted with carbon fibers and its preparation method and device for the existing high-hardness surfaces such as cutting tools and gear pairs with severe wear and short service life.

Method used

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  • Carbon fiber implanted high-hardness surface microstructure and preparation method and device thereof
  • Carbon fiber implanted high-hardness surface microstructure and preparation method and device thereof
  • Carbon fiber implanted high-hardness surface microstructure and preparation method and device thereof

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Embodiment 1

[0035] Such as Figure 6-1 As shown, the ant's mandibles can lift objects several times heavier than the body, and have good drag reduction, lubrication and anti-adhesion properties, and the pits and hairs on the surface play a certain role. A schematic diagram of the two mandibles of an ant and the pits and hairs on the mandibles is shown in Figure 6-2 , Figure 6-3 for Figure 6-2 Enlarged view of part A. The present invention is a high-hardness surface microstructure implanted with carbon fiber, which is a high-hardness surface microstructure imitating the surface of the ant's mouthparts (high-hardness mandible surface + bristles), and a bionic microstructure is set on the high-hardness surface, and the high-hardness surface can be Be blade, titanium alloy surface, granite surface etc.; The high hardness surface of present embodiment is the rake face of turning tool, as figure 2 As shown, that is, this embodiment is the microstructure of the rake face of the turning t...

Embodiment 2

[0037] The rake face is provided with a turning tool with a microstructure implanted with carbon fibers. The rake face of the turning tool is provided with the microstructure implanted with carbon fibers in Example 1, and the material used is high-speed steel (W6Mo5Cr4V2).

Embodiment 3

[0039] In embodiment 2, the preparation method of the microstructure of the rake face of the turning tool implanted with carbon fibers is as follows:

[0040] Step 1. Use natural diamond to make a single-point diamond embossing knife for embossing the center rounding table pit, wherein the single-point diamond embossing knife is in the shape of a rounding table, and the busbar of the single-point diamond embossing knife and the clamp of the central axis Angle θ 2 = 45°, the minimum diameter d of a single-point diamond imprinting knife 2 =0.04mm; the total height h of the single-point diamond embossing knife 2 = 0.15 mm.

[0041] Step 2. First, fix the vibration exciter 1 with a frequency of 100 Hz and an amplitude of 0.1 mm on the Z-axis slider 12 of the single-point diamond three-dimensional drive mechanism of the vibrating single-point diamond imprinting instrument, and place the output rod of the vibration exciter 1 It is fixedly connected with the tool handle 2 inlaid w...

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Abstract

The invention discloses a carbon fiber implanted high-hardness surface microstructure and a preparation method and device thereof. The service life of an existing high-hardness surface needs to be prolonged. According to the invention, a carbon fiber inverted cone is welded in a central inverted circular truncated cone pit of each bionic microstructure. The preparation method of the microstructurecomprises the following steps: imprinting a bionic microstructure group by using a single-point diamond imprinting knife, and then welding a carbon fiber inverted cone in each central inverted circular truncated cone pit of the bionic microstructure group. The microstructure preparation device comprises a vibration single-point diamond imprinting instrument, a single-point diamond imprinting cutter, a vibration single-point diamond welding instrument and a diamond welding cutter, the vibration single-point diamond imprinting instrument comprises a single-point diamond three-dimensional driving mechanism and a first vibration exciter. The vibration single-point diamond welding instrument comprises a single-point diamond three-dimensional driving mechanism and a second vibration exciter. The hardness, strength, wear resistance and precision of the high-hardness surface can be improved.

Description

technical field [0001] The invention relates to the field of design and preparation of high-hardness surface composite microstructures, in particular to a high-hardness surface microstructure implanted with carbon fibers and its preparation method and device. Background technique [0002] High-hardness surface microstructures are widely used in processing difficult-to-machine materials such as titanium alloys, ceramics, and high-temperature alloys, such as high-hardness surface tools such as turning tools and milling cutters, which have large cutting forces when processing difficult-to-machine materials in aerospace, marine and automotive fields. , serious tool wear and other issues, so how to improve the cutting performance of the tool and prolong the tool life has become a hot spot of technical research. [0003] At present, the research on carbon fiber on high-hardness surface is very limited. For example, the patent with publication number 108325803A discloses a method f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/10B23K20/22B23K20/26
CPCB23K20/10B23K20/22B23K20/26
Inventor 倪敬蔡均蒙臻
Owner HANGZHOU DIANZI UNIV
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