A light-weight vibration-isolating metal composite flywheel bracket and its preparation method and application

A metal composite and flywheel technology, applied in vibration suppression adjustment, mechanical equipment, additive manufacturing, etc., can solve problems such as poor applicability and difficult performance, and achieve the effect of reducing weight, excellent performance, and increasing vibration frequency

Active Publication Date: 2022-07-15
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A magnesium alloy base plate with a simple shape is pre-machined, and a titanium alloy support beam and a flywheel mounting surface are printed on the surface of the magnesium alloy base plate using metal 3D printing technology to prepare a lightweight vibration-isolated metal composite flywheel bracket, and a low-energy high-speed pre-scan The method improves the bonding quality between the titanium alloy support beam and the flywheel mounting surface and the magnesium alloy base plate, and solves the problems of poor applicability and performance that are difficult to meet the use requirements in the preparation process of the traditional flywheel bracket

Method used

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  • A light-weight vibration-isolating metal composite flywheel bracket and its preparation method and application
  • A light-weight vibration-isolating metal composite flywheel bracket and its preparation method and application
  • A light-weight vibration-isolating metal composite flywheel bracket and its preparation method and application

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Experimental program
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Effect test

Embodiment 1

[0044] The material of the base plate 1 of the lightweight vibration-isolating magnesium-zirconium alloy and TC4 titanium alloy composite flywheel bracket is magnesium-zirconium alloy, and its edges have 4 mounting holes 5 and 4 weight-reducing grooves 6; the material of the flywheel mounting surface 2 is TC4 For the titanium alloy, the thickness of the outer wall plate 8 is 1 mm, the thickness of the inner wall plate 9 is 0.5 mm, and the thickness of the lattice layer 10 is 5 mm. The material of the support beam 3 is TC4 titanium alloy, the wall thickness of the ordinary beam 11 is 4mm and the width is 20mm, the thickness of the side wing reinforcement rib 12 is 4mm and the maximum width is 5mm, and the width of the inclined beam of the m-shaped reinforcement beam 13 is 5mm, thickness 2mm, vertical beam width 15mm, thickness 5mm. The magnesium-zirconium alloy plate is machined into the base plate 1, and the three-dimensional model of the flywheel mounting surface 2 and the su...

Embodiment 2

[0046] The material of the base plate 1 of the lightweight vibration-isolating magnesium-nickel alloy and TB6 titanium alloy composite flywheel bracket is magnesium-nickel alloy, and its edge has 6 mounting holes 5 and 8 weight-reducing grooves 6; the material of the flywheel mounting surface 2 is For the TB6 titanium alloy, the thickness of the outer wall plate 8 is 3 mm, the thickness of the inner wall plate 9 is 1 mm, and the thickness of the lattice layer 10 is 10 mm. The material of the support beam 3 is TB6 titanium alloy, the wall thickness of the ordinary beam 11 is 8mm and the width is 35mm, the thickness of the side wing reinforcement rib 12 is 6mm and the maximum width is 10mm, and the width of the inclined beam of the m-shaped reinforcement beam 13 is 10mm, thickness 5mm, vertical beam width 15mm, thickness 10mm. Machining the magnesium-nickel alloy plate into the bottom plate 1, constructing the three-dimensional model of the flywheel mounting surface 2 and the su...

Embodiment 3

[0048] The material of the base plate 1 of the lightweight vibration-isolated AZ31 magnesium alloy and titanium-aluminum alloy composite flywheel bracket is AZ31 magnesium alloy, and its edges have 4 mounting holes 5 and 4 weight-reducing grooves 6; the material of the flywheel mounting surface 2 is For titanium aluminum alloy, the thickness of the outer wall plate 8 is 2 mm, the thickness of the inner wall plate 9 is 2 mm, and the thickness of the lattice layer 10 is 11 mm. The material of the support beam 3 is titanium-aluminum alloy, the wall thickness of the ordinary beam 11 is 5mm and the width is 30mm, the thickness of the flank reinforcing rib 12 is 5mm and the maximum width is 13mm, and the width of the inclined beam of the m-shaped reinforcing beam 13 is 13mm, thickness 5mm, vertical beam width 15mm, thickness 6mm. The AZ31 magnesium alloy plate was machined into the bottom plate 1, the three-dimensional model of the flywheel mounting surface 2 and the support beam 3 ...

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Abstract

The invention discloses a lightweight vibration-isolating metal composite flywheel bracket, a preparation method and application thereof, and belongs to the technical field of metal material structure design and processing. The metal composite flywheel bracket includes a magnesium alloy base plate with light weight and high damping performance, a titanium alloy lattice sandwich flywheel mounting surface with vibration damping function, and a titanium alloy support beam with high rigidity; 3D printing combined method to fabricate lightweight vibration-isolating metal-composite flywheel brackets. The light-weight vibration-isolating metal composite flywheel bracket and the preparation method of the present invention have the advantages of small weight, high first-order vibration frequency, small magnification of the installation surface, wide applicability, and excellent performance.

Description

technical field [0001] The invention belongs to the technical field of metal material structure design and processing, and in particular relates to a light-weight vibration-isolating metal composite flywheel bracket and a preparation method and application thereof. [0002] technical background [0003] The flywheel assembly is an important component for stabilizing the attitude of spacecraft such as satellites. The flywheel bracket is the core component of the flywheel assembly, and its weight and vibration isolation performance have an important impact on the payload performance index of the spacecraft. Through material design and structural design, on the premise of reducing the weight of the flywheel support, raising the first-order vibration frequency of the flywheel support and reducing the magnification of the flywheel mounting surface are the main methods of flywheel support design. [0004] The material of the existing flywheel bracket is mostly single magnesium allo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/315B22F10/38B22F7/08B22F10/20B33Y10/00B33Y70/00B33Y80/00
CPCF16F15/315B22F10/38B22F7/08B22F10/20B33Y80/00B33Y10/00B33Y70/00Y02P10/25
Inventor 刘雪峰李昂汪鑫万祥睿田少杰
Owner UNIV OF SCI & TECH BEIJING
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