Composite helical antenna precision manufacturing method and measurement machining device
A helical antenna and precision manufacturing technology, applied in the field of precision manufacturing method and measurement and processing integrated device of ultra-wideband three-dimensional helical antenna, can solve the problem of inability to solve three-dimensional structure antenna manufacturing, inability to achieve high-precision mass production, and large heat-affected zone. and other problems, to achieve the effect of high degree of automation, good processing flexibility, and high processing accuracy
Active Publication Date: 2013-09-18
DALIAN UNIV OF TECH
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Problems solved by technology
[0004] There are specific limitations in the above-mentioned process route method: the lithography process cannot solve the manufacture of three-dimensional structure antennas; the laser efficiency is high, but the heat-affected zone is large; manual bonding and welding cannot achieve high-precision mass production; the diameter of ordinary CNC milling cutters is larger than the minimum feature size of the part
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[0022] The specific implementation manner of the present invention is described in detail below in conjunction with accompanying drawing and technical scheme, as appended figure 1 As shown, firstly, the entire surface of the composite helical antenna polyimide substrate 1 is copperized; then, photolithography is performed on the central area of the planar helical antenna; then, laser roughing is performed on the remaining positions except the central area; finally, the The remaining positions outside the central area are finished by CNC micro milling. At the junction of the processing steps, it is also necessary to use high-precision 2D displacement sensors for positioning and compensation. The specific processing flow of the high-precision composite helical antenna is described in detail below:
[0023] (1) Overall copperization of the polyimide substrate surface of the composite helical antenna
[0024] The overall copperization technology on the surface of polyimide sub...
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The invention discloses a composite helical antenna precision manufacturing method and a measurement machining device and belongs to the field of communication equipment manufacturing. The invention particularly relates to a precise manufacturing method and a measurement and machining integrated device for an ultra-wideband three-dimensional helical antenna with composite coating. The precise manufacturing method adopts the combination of various machining techniques and is also combined with the laser measurement location technology to finish the precise manufacturing of the three-dimensional helical antenna. A frustum-shaped polymide substrate is adopted, the upper surface and the conical surface of the polymide substrate of the composite helical antenna are subjected to overall copperization, and the photolithography technique, the laser rough machining and the fine milling finish machining are adopted for machining. A high-precision 2D (2-dimensional) displacement sensor is utilized to carry out antenna feature extraction to realize the integration of machining and measurement. The measurement machining device consists of a measurement machining component and a five-axis precise digital control displacement platform. The manufacturing method and the measurement machining device have good machining precision, high efficiency and good flexibility and can be widely applicable to machining various types of communication equipment.
Description
technical field [0001] The invention belongs to the field of communication equipment manufacturing, and in particular relates to a precision manufacturing method and an integrated measurement and processing device for an ultra-broadband three-dimensional helical antenna coated with composite materials. Background technique [0002] Antennas are important components for transmitting and receiving signals. The composite helical antenna usually adopts a three-dimensional combined structure of a dual-arm planar helical antenna and a dual-arm conical helical antenna with broadband characteristics. The structure of the compound helical antenna is complex, the consistency index of the phase pattern is high, and the overall manufacturing accuracy is extremely demanding. The manufacturing technology of foreign related compound helical antennas has been strictly blocked to our country, and there is no dedicated precision manufacturing of compound helical antennas in my country. equipm...
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IPC IPC(8): H01Q1/38
Inventor 贾振元刘巍赵凯陈宇勤王泠王文升
Owner DALIAN UNIV OF TECH
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