Bionic composite material disc spring part and preparation method thereof

A bionic composite material and composite material technology, applied in the field of bionic composite disc spring parts and its preparation, can solve the problem of low forming pressure and achieve the effects of ensuring dimensional accuracy, easy and sufficient infiltration, and process optimization

Active Publication Date: 2018-09-07
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional hand lay-up process, vacuum bag pressure, autoclave and other processes commonly used in the forming o

Method used

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  • Bionic composite material disc spring part and preparation method thereof
  • Bionic composite material disc spring part and preparation method thereof
  • Bionic composite material disc spring part and preparation method thereof

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0057] In order to further illustrate the technical solutions of the present invention, in conjunction with the accompanying drawings, the specific embodiments of the present invention are as follows:

[0058] The invention discloses a bionic composite material disc spring part, such as figure 1 As shown in the figure, the disc spring parts are formed by the fiber reinforcement layer structure fully infiltrated by resin with filler; the fiber reinforcement layer structure is a shell-like multi-layer fiber reinforcement layer structure, which is composed of fiber reinforcement 1 It is composed of layers, wherein the shape of the fiber reinforcement 1 is the same as the external shape and size of the prefabricated disc spring. like Figure 3a and Figure 3b shown;

[0059] In order to further improve the strength and isotropy of the bionic composite disc spring parts of the present invention, the fibers of the fiber reinforcement 1 are short fibers, long fibers, continuous fi...

Example Embodiment

[0063] Example 1:

[0064] The process of "the fiber reinforcement layer is cured by infiltrating the resin online" refers to: cutting the fiber reinforcement according to the shape and size of the prefabricated disc spring parts, and laying up multiple layers to form a layer structure; in an infiltration mold with a special structure After the resin is fully infiltrated and cured online, the process of making composite disc spring parts, the specific preparation process is as follows:

[0065] Step 1: Cut the fiber reinforcement 1;

[0066] In this embodiment, the fiber reinforced body 1 is cut twice. First, the fiber reinforced body 1 is cut once according to the plane projection shape of the prefabricated part, such as Figure 3a Then, the fiber reinforced body 1 after being cut once is cut a second time according to the geometric shape and size matching the disc spring mold, such as Figure 3b shown, thereby completing the cutting of the fiber reinforcement 1;

[0067] ...

Example Embodiment

[0078] Embodiment 2:

[0079] The process of "making fiber reinforced prepreg by off-line infiltration with resin, and then completing curing by heating the mold" refers to: cutting the fiber reinforced prepreg made by off-line infiltration according to the shape and size of the prefabricated disc spring parts, Then, the fiber reinforced prepreg is laminated in multiple layers to form a fiber reinforced layer structure, and is cured by a hot pressing process in a heating mold to make a composite disc spring part. The specific preparation process is as follows:

[0080] Step 1: According to the volume ratio of the fiber to the resin, the fiber reinforced prepreg is made by off-line infiltration of the pre-configured resin;

[0081] Step 2: Cut the fiber reinforced prepreg according to the shape and size of the prefabricated disc spring parts;

[0082] Step 3: Lay out the multi-layered fiber reinforcement prepreg layer by layer on the profile surface of the heating mold to form...

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Abstract

The invention provides a bionic composite material disc spring part and a preparation method thereof. The disc spring part is formed by fully infiltrating and curing a fiber reinforcement layer structure in resin; the fiber reinforcement layer structure is formed by overlapping and laying of multiple single-layer fiber reinforcements; and the fiber reinforcement layer can be completely cured through online infiltrating of the resin and can also be prepared in the mode that fiber reinforcement prepreg is made through offline infiltrating of the resin and then curing is completed through heatingof a mold of a special structure. The preparation method creatively adopts the resin transfer molding process and the hot pressing process to prepare the light-weighted composite material disc springpart. The bionic composite material disc spring part and the preparation method thereof meet the urgent requirements for the high-performance and light-weighted composite material disc spring part ofthe fields like aerospace, nuclear power, ocean engineering, heavy machines, automobiles, armored cars and cannons, and solve the problems that existing widely-used metal disc spring parts in the relevant fields are high in mass, not resistant to corrosion, poor in fatigue performance and the like.

Description

technical field [0001] The invention belongs to the technical field of composite material parts manufacturing, and in particular relates to a bionic composite material disc spring part and a preparation method thereof. Background technique [0002] Disc spring, referred to as disc spring, is usually formed by metal steel strip, steel plate or forging billet. It is a truncated conical spring with high stiffness and variable stiffness. Compared with other types of springs, disc springs are smaller in the direction of load, and can withstand large loads with small deformation, and the axial space is compact; by changing the number of discs or the combination of disc springs, different springs can be obtained. The bearing capacity and characteristic curve, so as to adapt to a wider range of use. As a strong buffer and shock absorbing spring, disc springs can be used in aerospace, nuclear power, marine engineering, heavy machinery, armored vehicles, artillery and other military ...

Claims

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Application Information

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IPC IPC(8): F16F1/18B29C70/48B29L31/00
CPCB29C70/48B29L2031/774F16F1/021F16F1/185
Inventor 韩奇钢李琳徐凯强韩志武
Owner JILIN UNIV
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