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Manufacturing method for carbon fiber composite horizontal rotor fan cover of centrifuge

The technology of a composite material and a production method is applied in the production field of a carbon fiber composite material centrifuge rotor hood, and can solve the problems that the aluminum alloy material cannot fully meet the requirements, the radial tensile deformation of the hood, the deformation of the horizontal rotor hood, and the like. Achieve the effect of increasing the allowable speed, not producing metal fatigue, and reducing the motor load

Inactive Publication Date: 2019-10-15
湖南湘仪实验室仪器开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional horizontal rotor windshields used in centrifuges are generally made of aluminum alloy, which has heavy weight, poor corrosion resistance, low strength, frequent high and low temperature changes, and cyclic operation are prone to metal fatigue
With the continuous increase of the centrifuge speed and the extension of the use environment and separated substances, the aluminum alloy material can no longer fully meet the requirements.
[0003] The existing technology usually uses 3003 series antirust aluminum plates to form blanks by spinning or molding, and then mechanically processes the blanks to manufacture horizontal rotor windshields. Because the horizontal rotor windshields made of antirust aluminum alloys are subject to the rust resistance of 3003 series Due to the restriction of the performance of the aluminum plate material (the yield strength of the 3003-O aluminum plate is 48MPa), when the centrifugal force exceeds 4000×g, it may cause slight deformation of the windshield of the horizontal rotor
When the local centrifugal force exceeds 8000×g, the windshield of the horizontal rotor will be radially stretched and deformed under the centrifugal force, collide with the centrifugal chamber, scratch and crack, resulting in damage to the centrifuge

Method used

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  • Manufacturing method for carbon fiber composite horizontal rotor fan cover of centrifuge
  • Manufacturing method for carbon fiber composite horizontal rotor fan cover of centrifuge
  • Manufacturing method for carbon fiber composite horizontal rotor fan cover of centrifuge

Examples

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Embodiment Construction

[0025] The manufacturing method of the windshield of the horizontal rotor of the carbon fiber composite centrifuge provided by the invention comprises the following steps:

[0026] Step 1. Use T300 grade carbon fiber tow as raw material and impregnate it with resin. The tensile strength of the fiber is 3800MPa, the tensile modulus of elasticity is 230MPa, and the resin is epoxy resin (or phenolic resin) with a content of 28%; use 3003- O series anti-rust aluminum plate, wind shield core body manufactured by processing methods such as spinning or molding, such as figure 2 shown.

[0027] Step 2. Use T300 grade carbon fiber tow (tensile strength greater than 3800MPa) on the four-dimensional winding machine to wind the surroundings of the windshield-shaped core 1 by wet method, and strengthen the radial and axial directions of the windshield-shaped core to form the outer circumference Reinforcement layer 2, where the winding angle α28°, the number of winding layers is more than...

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Abstract

The invention discloses a manufacturing method for a carbon fiber composite horizontal rotor fan cover of a centrifuge. The manufacturing method comprises the following steps: 1, using carbon fiber tows as raw materials, and impregnating the carbon fiber tows with resin; manufacturing a core body blank in a horizontal rotor fan cover shape by adopting forming methods such as spinning or die pressing of an aluminum plate, and finishing the core body blank to obtain a core body in the horizontal rotor fan cover shape with a certain boundary dimension; 2, winding the carbon fiber tows impregnatedwith the resin around the periphery of the core body in the horizontal rotor fan cover shape to form a reinforcing layer wrapped around the core body; and 3, heating and curing the core body in the horizontal rotor fan cover shape wrapped with the reinforcing layer in an oven to obtain a core body reinforcing body in the horizontal rotor fan cover shape, and carrying out polishing and paint dipping on the outer contour of the core body reinforcing body in the horizontal rotor fan cover shape to form the carbon fiber composite horizontal rotor fan cover with a three-dimensional structure. Thecarbon fiber composite horizontal rotor fan cover has the advantages of light weight, strong corrosion resistance and high strength.

Description

technical field [0001] The invention belongs to a manufacturing method of a centrifuge rotor wind cover, in particular to a manufacturing method of a carbon fiber composite centrifuge horizontal rotor wind cover. Background technique [0002] Traditional horizontal rotor windshields used in centrifuges are generally made of aluminum alloy, which has heavy weight, poor corrosion resistance, low strength, frequent high and low temperature changes, and cyclic operation are prone to metal fatigue. With the continuous increase of the centrifuge speed and the extension of the use environment and separated substances, the aluminum alloy material can no longer fully meet the requirements. [0003] The existing technology usually uses 3003 series antirust aluminum plates to form blanks by spinning or molding, and then mechanically processes the blanks to manufacture horizontal rotor windshields. Because the horizontal rotor windshields made of antirust aluminum alloys are subject to ...

Claims

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Application Information

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IPC IPC(8): B29C70/30
CPCB29C70/30
Inventor 文寄槐武育荣黎沐林魏强
Owner 湖南湘仪实验室仪器开发有限公司
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