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Large-scale aluminum alloy bent member molded surface precision measurement and milling method

A precision detection, aluminum alloy technology, applied in metal processing mechanical parts, mechanical counter/curvature measurement, milling machine equipment, etc., can solve problems such as troublesome operation, achieve product accuracy, save manufacturing cost and time cost, and one-time pass rate high effect

Active Publication Date: 2018-09-28
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device is quite cumbersome to operate, and milling machines up to three or four meters are rare

Method used

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  • Large-scale aluminum alloy bent member molded surface precision measurement and milling method
  • Large-scale aluminum alloy bent member molded surface precision measurement and milling method
  • Large-scale aluminum alloy bent member molded surface precision measurement and milling method

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Effect test

Embodiment Construction

[0032] The present invention first provides a composite tool (composite device) for surface accuracy detection and margin milling of large thin-walled components, such as figure 1 As shown, its basic features include that the tooling has both a thin-walled component profile accuracy detection function and a peripheral margin milling function; the tooling is formed by welding a card board with an integral frame, and the card board includes a horizontal card board and a longitudinal card board. The tooling mentioned before the accuracy test is mainly composed of a card board 1, a peripheral narrow panel 2, a knife slot 22 and a theoretical line 21, and a pressure plate 3 arranged on the peripheral narrow panel 2, such as figure 1 . The horizontal and vertical pallets are made of 10mm thick steel plates. In order to achieve weight reduction while ensuring sufficient strength and rigidity, a hole is opened in the middle of the pallet. Weld 75mm×18mm (width×thickness) narrow profile ...

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Abstract

The invention provides a large-scale aluminum alloy bent member molded surface precision measurement and milling method. The method is characterized in that a molded surface precision measurement andmilling composite device is used; the method comprises the following steps that A, an aluminum alloy member obtained after hot rolling is positioned and placed on the composite device; B, molded surface precision measurement is carried out, wherein after the member is positioned, a feeler gauge is used for measuring a gap between a member molded face and a theory molded face, namely the top face of the peripheral narrow molded plate, at a peripheral narrow molded plate, and whether the requirement is met or not is checked; C, member fixation is carried out, wherein a bolt is used for connecting the member and a bearing plate, and the member is fixed; and D, allowance milling is carried out on the member, wherein a programming of a numerically-controlled machine tool is carried out to enable a milling cutter to conduct allowance milling on the member according to a preset track. According to the composite device in the method, the member molded surface precision measurement function andthe allowance milling function are achieved at the same time, another allowance milling tool does not need to be designed again, and the manufacturing cost and time cost are greatly reduced.

Description

Technical field [0001] The patent of the present invention relates to the field of forming accuracy detection and margin milling of large thin-walled components, and particularly relates to a device and method for detecting the profile accuracy and margin milling of complex thin-walled components used in aerospace. Background technique [0002] The preparation steps of aluminum alloy bending parts usually include forming, precision inspection, milling and welding. Among them, forming refers to the use of vacuum aging hot bending of flat aluminum alloys to form curved members. Accuracy detection is mainly to detect whether the accuracy (for example, curvature) of the formed component surface is consistent with the theoretical product. Milling is to cut the excess amount around the component and reduce the size of the component. Welding means that the component is butt-welded with other components of the same or different shapes, for example, six or eight pieces of the same compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/00B23Q3/06G01B5/20
CPCB23C3/00B23Q3/06G01B5/20
Inventor 湛利华杨有良胡正根常志龙刘德博阮小鹏刘观日黄诚万李
Owner CENT SOUTH UNIV
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