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Case panel machining method

A technology for a chassis panel and a processing method, applied in the field of mechanical processing, can solve the problems of unstable and unsafe thick plates, empty strokes in planing processing, low production efficiency, etc., and achieves easy guarantee of dimensional accuracy, compact production process, and production cycle. short effect

Active Publication Date: 2021-06-18
GUIZHOU AEROSPACE ELECTRONICS TECH CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] At present, the defects and deficiencies of this processing method mainly include: (1) cutting by mechanical means such as shearing machine, bow saw machine or plasma cutting machine, the stress generated is large, which causes large deformation of the blank and poor flatness
(2) The two planes in the thickness direction of the planing process need to be turned over many times as a reference for processing, and the planing process has empty strokes, and the production efficiency is low
The vacuum suction cup clamping method is suitable for thin plates, and it is unstable and unsafe for thick plates.

Method used

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  • Case panel machining method

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Embodiment Construction

[0030] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.

[0031] like figure 1 as shown, figure 1 It is a structural schematic diagram of the finished chassis panel to be processed. The panel is 482.6mm long, 177mm wide, and 12mm in total thickness. The panel is provided with a rectangular ring-shaped flange to form a 5.5mm thick step. In addition, there are mounting holes for installing components and cavity. In the figure: the first stepped surface 1, the second stepped surface 2, the third stepped surface 3, the fourth stepped surface 4, and the four stepped surfaces are located on a plane.

[0032] The processing steps are mainly two parts: blanking and CNC milling:

[0033] Blanking: wire cutting electric machining blanking, cutting the 2A12-H112 high-strength hard aluminum alloy rolled plate into a cuboid blank with a size of 490mm×190mm×15mm, so that the grain direction of the p...

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Abstract

A case panel machining method mainly comprises the technological steps of wire-electrode cutting electric machining blanking and numerical control milling. A universal multi-process and multi-work-type machining technology is changed, a wire-electrode cutting electric machining mode is adopted for blanking, and a plane, a cavity and a rectangular annular flange are milled in a numerical control mode in the length direction for machining, so that the deformation problem in the machining process can be effectively solved, the dimensional precision is easy to guarantee, the quality is stable and consistent, the surface quality is good, the planeness is smaller than 0.1 mm, a heat treatment destressing procedure is not needed, the production process is compact, concentrated and short, the machining cost is low, the production period is short, and safety and reliability are achieved.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a processing method for a chassis panel. Background technique [0002] The traditional chassis is formed by sheet metal to form a skeleton, and then the thin plate is used as a panel to connect to the skeleton, and then the electronic components are installed on the panel. With the rapid development of electronic technology, the number and types of various electronic components are increasing, and the structural installation methods are becoming more and more diverse. The traditional chassis panel can no longer meet the development needs of modern chassis due to its thin board. Electronic components are installed on the panel of modern chassis, which requires the panel to be beautiful and generous, and the installation method is flexible. Therefore, more and more modern chassis panels use thick plates to process structural features suitable for the inst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/04
CPCB23H5/04
Inventor 刘小玲
Owner GUIZHOU AEROSPACE ELECTRONICS TECH CO LTD
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