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Method and device for controlling milling deformation of large sized structural member

A technology for large-scale structural parts and milling processing, applied in the field of mechanical processing, can solve problems such as large deformation and easy damage, and achieve the effects of good quality, control of residual stress in milling, and high efficiency

Inactive Publication Date: 2011-02-09
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to invent a method and device for controlling the deformation of large structural parts in milling processing for the problems of large deformation, easy secondary correction and easy damage in the milling process of large structural parts

Method used

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  • Method and device for controlling milling deformation of large sized structural member
  • Method and device for controlling milling deformation of large sized structural member
  • Method and device for controlling milling deformation of large sized structural member

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 shown.

[0025] A control method for milling deformation of large structural parts, it is by adding a deformation controller behind the milling cutter (such as figure 2 shown) to roll the machined surface, the pressure wheel in the deformation controller sprays high-pressure coolant from the inside to the machined surface during the rolling process, and the deformation is controlled at within the set range.

Embodiment 2

[0027] Such as Figure 1-6 shown.

[0028] A control device for milling deformation of large structural parts, which includes a coolant pump 4, a supercharger 5 and a coolant nozzle 10, the input end of the coolant pump 4 is connected to the coolant tank or pool 2 through a pipeline 19, and the pipeline Also can be installed with filter 3 on 19, to guarantee the cleanliness of coolant, the output end of coolant pump 4 links to each other with the input end of supercharger 5 by pipeline 18, can also be installed on pipeline 18 and be controlled by electrical control The electric valve 15 of the system 1 (which can be controlled by a computer), the supercharger 5 is connected with two outputs, one of which is connected to the coolant nozzle 10 through the pipeline 16, and the other output can be connected to the soft nozzle through the pipeline 17 first. The pipe 11 is connected, and then connected with the liquid inlet of the deformation controller 9 through the flexible pipe ...

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Abstract

The invention discloses a method and a device for controlling milling deformation of a large sized structural member, belonging to the part processing deformation control in the field of mechanical engineering. The control method is characterized by comprising the following steps of: simultaneously spraying cooling liquid on the rear part of a milling cutter when the cooling liquid is sprayed on the front part of the milling cutter, and rolling by using a deformation controller. The invention can be used for effectively releasing stress deformation generated in the milling process of the large sized structural member so as to achieve the purpose of controlling the processing deformation of the large sized structural member.

Description

technical field [0001] The invention relates to a mechanical processing technology, in particular to a method and device for controlling deformation in milling processing, in particular to a method and device for controlling deformation in milling processing of large structural parts. Background technique [0002] At present, parts processed from blank plates, especially large structural parts, usually have large processing deformation, which makes the parts unable to be used directly, and in severe cases, the processed parts are scrapped. In order to effectively eliminate the processing deformation of the parts after processing, hammering, multi-roller straightening machines and flame straightening methods are usually used. These methods are very easy to damage the weak parts of the parts and directly affect the performance of the parts. Therefore, it is the key to improve the processing quality of large structural parts to study a method that is not easy to damage the weak...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C9/00
Inventor 汪洪峰左敦稳董学伟黎向锋王吉胜邵定林
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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