Fiber composite material/metal laminated structure low-temperature hole production device and method

A fiber composite material, metal lamination technology, used in boring/drilling, metal processing equipment, maintenance and safety accessories, etc. The effect of increased material brittleness
CN106475591AActive Publication Date: 2017-03-08NORTHWESTERN POLYTECHNICAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTHWESTERN POLYTECHNICAL UNIV
Publication Date
2017-03-08

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Abstract

The invention discloses a fiber composite material / metal laminated structure low-temperature hole production device and a method for solving the technical problem of low machining efficiency in traditional carbon fiber composite material and metal material laminated assembly hole production method and device. Under constant feeding speed and main shaft rotating speed, liquid nitrogen is used as a cooling medium; the generation quantity of low-temperature gas is controlled through controlling the volatilizing quantity of the liquid nitrogen; and the closed-loop control is performed for the temperature of a machining area to realize adjustment and constant keeping of the temperature of the machining area along with workpiece materials, so that the hole production defects caused by different material properties are reduced, and the machining efficiency is improved when realizing high-quality hole production of a fiber composite material / metal laminated structure.
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Description

Technical field

[0001] The invention relates to a fiber composite material / metal laminated structure low-temperature hole making device, and also relates to a low-temperature hole making method based on the fiber composite material / metal laminated structure low temperature hole making device. Background technique

[0002] Fiber composite materials / metal laminated structures are widely used in aerospace and other fields, and a large number of connecting holes need to be processed on laminated components. Integrated drilling is currently a widely used processing method. However, the properties of fiber composite materials and metal alloys are quite different, leading to defects such as layer delamination, exit burrs, entrance tears, and shrinkage holes in fiber composite materials during drilling. The metal will cause partial oxidation of the structure and exit turnover. Edges cause serious tool wear and short service life. How to achieve high-efficiency and high-quality processin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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