Special-shaped ceramic antenna cover machining device and method

A ceramic antenna and radome technology, applied in stone processing equipment, stone processing tools, metal processing equipment and other directions, can solve the problems of insufficient introduction, difficult to learn and reference, etc., to achieve convenient operation, ensure the uniformity of wall thickness, The effect of controlling the machining accuracy

Active Publication Date: 2019-05-03
AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

There are few reports on the precision machining method and positioning device of special-shaped ceramic composite radome. Patent CN201710891617.0 introduces a special-shaped radome processing method. The most important tooling st

Method used

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  • Special-shaped ceramic antenna cover machining device and method
  • Special-shaped ceramic antenna cover machining device and method
  • Special-shaped ceramic antenna cover machining device and method

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Embodiment

[0094] Equipment requirements: processing tools such as elongated high-rigidity tool holders, diamond grinding wheels, and three-axis horizontal CNC milling equipment. The tools and equipment are well-known technologies in the field.

[0095] A special-shaped ceramic radome processing device and method, such as figure 1 As shown in ~6, it is realized through the following steps: including the following steps:

[0096] Step 1, such as figure 1 As shown, determine the inflection point position 1-1 of the primary cone and secondary cone on the inner surface of the radome blank 1 to be processed, and mark it with a pencil; Surface 1-2 is hand-polished evenly, and it can be seamlessly matched with the nose cone fixing ring 12; the inner surface of the radome blank 1 and the matching section 1-3 of the aligning ring 10 are hand-polished with aluminum oxide sandpaper until it is aligned Ring 10 is inserted in the radome until there is no shaking.

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Abstract

The invention provides a special-shaped ceramic antenna cover machining device and method. The device comprises a head cone supporting ring, an inner molded surface aligning ring, end face pressing plates and a plurality of outer supporting mechanisms. Each outer supporting mechanism comprises an outer support and an adjusting screw rod, and the inner molded surface aligning ring comprises an insertion end and a fixed end. According to the device and method, the machining reference of an antenna cover is determined through a primary alignment tool, it is guaranteed that the position of a clamping space of the antenna cover in all working procedures is free of deviation, the machining reference is unified, and the machining precision is effectively controlled.

Description

technical field [0001] The invention relates to a special-shaped ceramic radome processing device and method, and belongs to the technical field of radome processing. Background technique [0002] Modern high-speed missiles generally use special-shaped (non-rotating) ceramic matrix composite radomes. Due to the characteristics of its own molding process, the surface of the radome molding blank is extremely rough, and subsequent machining is required to meet the requirements of dimensional accuracy and electrical conductivity and wave transmission performance indicators. However, due to the complex structure and shape of the part, the thin wall is easy to deform, there is no clear processing standard, and the internal braided fibers cannot be damaged, it is difficult to accurately set the processing standard and ensure the uniformity of the wall thickness. [0003] At present, the machining of special-shaped ceramic matrix composite radome is very difficult. Because the blan...

Claims

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Application Information

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IPC IPC(8): B24B19/22B24B41/06B24B1/00B28D1/18B28D7/04H01Q1/42
Inventor 杨宝付王华东杜胜丁超杨杰
Owner AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
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