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A Method of Reducing the Milling Deformation of the Mounting Side of the Case

A milling and milling cutter technology, which is applied to milling machine equipment, milling machine equipment details, metal processing equipment, etc., can solve the problems of deformation and warping of parts installation edge, high precision size of casing cannot be guaranteed, affecting parts processing accuracy and assembly quality, etc. , to achieve the effect of reducing the spare parts

Active Publication Date: 2018-06-29
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The deformation of thin-walled casings has always been the biggest problem in casing processing, and the high-precision dimensions of many casings cannot be guaranteed due to the deformation of casing parts
There are many weight-reducing gaps distributed on the mounting side of the casing. After the machining is completed, the mounting side of the parts is deformed and tilted, which affects the machining accuracy and assembly quality of the parts.

Method used

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  • A Method of Reducing the Milling Deformation of the Mounting Side of the Case
  • A Method of Reducing the Milling Deformation of the Mounting Side of the Case
  • A Method of Reducing the Milling Deformation of the Mounting Side of the Case

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Embodiment Construction

[0013] Such as image 3 As shown, a method to reduce the milling deformation of the casing installation side, firstly use a drill to drill a hole 3 in the area 2 to be processed on the casing installation side 1, remove part of the margin, and then use a milling cutter to process the casing installation side 1 The area to be processed 2. The drill bit used is a small diameter drill bit.

[0014] Before using this method, the warping deformation of the part mounting side can reach up to 0.2mm, and after using this method, the warping deformation of the part mounting side is 0.03mm, which greatly improves the machining accuracy of the axial dimension of the part.

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Abstract

The invention relates to a mechanical processing method, in particular to a method for specifically reducing the milling deformation of the casing installation side. The technical scheme of the present invention is as follows: a method for reducing the milling deformation of the casing mounting edge, firstly adopting a drill bit to drill holes in the area to be processed on the casing mounting edge, removing part of the margin, and then processing the casing mounting edge with a milling cutter area to be processed. The method for reducing the milling deformation of the casing installation edge provided by the present invention optimizes the notch milling process of the casing installation edge, thereby reducing or even eliminating the tilting deformation of the casing installation edge and improving the delivery quality of casing parts.

Description

technical field [0001] The invention relates to a mechanical processing method, in particular to a method for specifically reducing the milling deformation of the mounting edge of the casing. Background technique [0002] The deformation of thin-walled casings has always been the biggest problem in casing processing, and the high-precision dimensions of many casings cannot be guaranteed due to the deformation of casing parts. There are many reasons for the deformation of the casing parts, but all of them are caused by the uneven internal stress of the parts after the parts are stressed during the processing process, which leads to the deformation of the parts. [0003] The mounting edge of the casing parts is often designed with a notch structure, which is used to reduce the weight of the engine. This notch structure is formed by milling. After processing, it is found that the mounting edge of the casing is warped and the flatness is increased, which affects the delivery qua...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/00
Inventor 杨平贾琳李莹崔晶
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION