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Novel wear-resistant gear based on turtle shell surface morphology

A new type of surface topography technology, used in belts/chains/gears, components with teeth, portable lifting devices, etc., can solve the problem of less use of tortoise shells, reduce fatigue damage such as broken teeth, reduce vibration, The effect of improving heat dissipation

Inactive Publication Date: 2016-07-06
HEFEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, so far, the use of tortoise shells is still relatively small.

Method used

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  • Novel wear-resistant gear based on turtle shell surface morphology
  • Novel wear-resistant gear based on turtle shell surface morphology
  • Novel wear-resistant gear based on turtle shell surface morphology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] see figure 1 , figure 2 and Figure 4 , on the tooth surface of the new wear-resistant gear, the texture similar to the surface topography of the tortoise shell is processed by laser, figure 1 The middle tooth surface is processed with the above-mentioned lines, the width is 450-500μm, and the depth is about 300μm. The specific layout is similar to figure 2 The surface texture of the turtle shell, Figure 4 The bold lines in the middle are the textures.

[0021] see Figure 5 and Figure 6 , the hexagons are arranged in a straight line at the center of the tooth surface, the number is about 16-20; the pentagons are distributed around the hexagons, the number is about 35-45, and they are arranged symmetrically.

[0022] see figure 2 and image 3 , There are many kinds of turtle shells, and there are also many kinds of patterns. Turtles have survived in nature for hundreds of millions of years. In the long-term evolution of the struggle for survival, they have ...

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Abstract

The invention relates to a novel wear-resistant gear based on turtle shell surface morphology. Pentagonal and hexagonal grains imitating the turtle shell surface morphology are processed on the tooth surfaces of the gear and are arranged according to a specific rule, the hexagonal grains are arranged linearly in the center of every tooth surface, and the pentagonal grains are distributed around the hexagonal grains symmetrically. Based on bionics, by being inspired by the turtle shell surface morphology, the novel wear-resistant gear based on the turtle shell surface morphology is provided. Compared with the prior art, the novel wear-resistant gear based on the turtle shell surface morphology has the advantage that wear resistance of the novel wear-resistant gear can be improved effectively, and accordingly the service life of the gear is prolonged.

Description

technical field [0001] The invention relates to the field of mechanical transmission, in particular to a novel wear-resistant gear based on the surface topography of a tortoise shell. Background technique [0002] Improving the wear resistance of gears and prolonging their service life are problems to be solved urgently in the entire gear industry. There are four main types of gear failure: tooth fracture, tooth surface wear, tooth surface pitting and tooth surface gluing. In practice, tooth surface pitting is often the most common form of gear failure. To improve this situation, it is necessary to improve the wear resistance of the surface. Great efforts have been made at home and abroad. Raw materials with excellent grinding properties are used to process gears, gears are treated with advanced heat treatment methods, and gear surfaces are coated with wear-resistant coatings. These methods are relatively mature and have made great contributions to improving wear problems, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17F16H55/08
CPCF16H55/17F16H55/08F16H2055/086
Inventor 陈奇樊浩徐帆张振高峰
Owner HEFEI UNIV OF TECH
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