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Metal rubber fabricated part and preparation thereof, and preparation method of metal rubber ring

A metal rubber, prefabricated technology, applied in mechanical equipment, shock absorbers, springs/shock absorbers, etc., can solve problems such as large structure size, large height size, cracking, etc., to achieve high weaving quality, tight weaving, large damping effect

Pending Publication Date: 2019-10-18
BEIJING XINGJI RONGYAO SPACE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for large-scale wire mesh, due to the large amount of wire used and the large size of the structure, the method of directly filling the process ruler and mold accessories cannot meet the actual processing requirements. The final cold pressing process becomes extremely difficult
In addition, because the large wire mesh damping is relatively large in height, the wire mesh is prone to delamination and cracking in the cold forming direction after traditional forming

Method used

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  • Metal rubber fabricated part and preparation thereof, and preparation method of metal rubber ring
  • Metal rubber fabricated part and preparation thereof, and preparation method of metal rubber ring
  • Metal rubber fabricated part and preparation thereof, and preparation method of metal rubber ring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The metal rubber prefabricated part comprises a core body and a cladding body, and its preparation comprises the following steps:

[0051] Wind and stretch 100g metal wire into a helical structure, the pitch of the helical structure is equal to the diameter, and set aside.

[0052] In a plane, a number of "○"-shaped structures are wound around the helical wire to fill the plane, forming a "○"-shaped braid (such as figure 1 As shown, the size of the helical coil is 20 times the outer diameter of the metal wire), and several layers of "○" type braiding layers are continuously formed on the "○" type braiding layer. Based on the area of ​​the "○"-shaped structures, adjacent "○"-shaped structures overlap by 40% between adjacent layers. The metal wire used for the "○" type braid is 70g, and several layers of "○" type braids are formed as the core.

[0053] Wrapping the above-mentioned core body in the same oblique direction by a helical metal wire forms a first oblique brai...

Embodiment 2

[0055] The preparation of metal rubber ring comprises the steps:

[0056] Wind and stretch 100g metal wire into a helical structure, the pitch of the helical structure is equal to the diameter, and set aside.

[0057] In a plane, a number of "○"-shaped structures are wound around the helical wire to fill the plane, forming a "○"-shaped braid (such as figure 1 As shown, the size of the helical coil is 20 times the outer diameter of the metal wire), and several layers of "○" type braiding layers are continuously formed on the "○" type braiding layer. Based on the area of ​​the "○"-shaped structures, adjacent "○"-shaped structures overlap by 40% between adjacent layers. The metal wire used for the "○" type braid is 70g, and several layers of "○" type braids are formed as the core.

[0058] Wrapping the above-mentioned core body in the same oblique direction by a helical metal wire forms a first oblique braiding layer, and wraps obliquely around the first oblique braiding layer ...

Embodiment 3

[0063] The preparation of metal rubber ring comprises the steps:

[0064] Wind and stretch 100g metal wire into a helical structure, the pitch of the helical structure is equal to the diameter, and set aside.

[0065] In a plane, a number of "○"-shaped structures are wound around the helical wire to fill the plane, forming a "○"-shaped braid (such as figure 1 As shown, the size of the helical coil is 20 times the outer diameter of the metal wire), and several layers of "○" type braiding layers are continuously formed on the "○" type braiding layer. Based on the area of ​​the "○"-shaped structures, adjacent "○"-shaped structures overlap by 40% between adjacent layers. The metal wire used for the "○" type braid is 70g, and several layers of "○" type braids are formed as the core.

[0066] Wrapping the above-mentioned core body in the same oblique direction by a helical metal wire forms a first oblique braiding layer, and wraps obliquely around the first oblique braiding layer ...

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Abstract

The invention discloses a metal rubber fabricated part and a method thereof, and a preparation method of a metal rubber ring. The metal rubber fabricated part comprises a core body and a coating body,wherein the core body comprises a plurality of O-type weaving layers; each O-type weaving layer comprises a plurality of O-type structures formed by winding metal wires; the adjacent O-type structures of the adjacent layers incompletely coincide; the coating body coats the outer part of the core body, and comprises a plurality of first diagonal type weaving layers; each first diagonal type weaving layer is formed by winding metal wires in the same inclining direction; and the metal wires between the adjacent first diagonal type weaving layers form a first X-type structure. The metal rubber fabricated part is not filled with a die or a weaving process ruler, so that the preparation of the large metal rubber fabricated part is met. The invention also provides the preparation of the metal rubber ring. A metal rubber blank part is formed by winding the meal rubber fabricated part on a core shaft and weaving the metal rubber fabricated part, and is subjected to compression moulding to formthe metal rubber ring. Through the adoption of the method, layering and cracking of metal rubber can be avoided.

Description

technical field [0001] The invention relates to the field of aerospace rocket engines, in particular to a metal rubber prefabricated part and a method for preparing the metal rubber ring. Background technique [0002] Dynamic fields such as aerospace rocket engines and aero-engine dual-rotor systems require damping elastic supports. The structure is designed with two structures: damping ring and elastic support. The damping ring provides partial stiffness and full damping, and the elastic support provides partial stiffness. The design is reasonable. The damping elastic support can make the rotor mechanically pass through the critical speed smoothly, and reduce the vibration of synchronous precession or asynchronous precession. Because the rotating structure is often accompanied by high and low temperatures, and the temperature range spans from -40°C to 100°C, metal damping rings and elastic supports are commonly used to adjust the support stiffness and provide damping. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F7/12B29B11/14
CPCF16F7/128B29B11/14B29C49/071B29C2949/0715
Inventor 张勇
Owner BEIJING XINGJI RONGYAO SPACE TECH CO LTD
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