Method for Automatically Machining 90° Inner Hole Sealing Groove by Digital Milling Machine Tool

A technology of sealing grooves and inner holes, which is applied in the field of mechanical parts processing, can solve problems such as high requirements for workers, unfavorable high-efficiency processing of parts, and easy quality problems, so as to improve production efficiency, reduce scrap rate, and improve surface roughness Effect

Active Publication Date: 2018-03-13
CHANGHE AIRCRAFT INDUSTRIES CORPORATION
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The sealing groove is a kind of mechanism used for the sealing function of the pipeline sealing connection. When processing such sealing holes by ordinary lathe machining, a combination fixture needs to be assembled once for each hole, which is not conducive to the efficient processing of parts. At the same time prone to quality problems
In China, there is no way and method to completely use the useful digital milling method to process the sealing groove of the inner hole. Most of them use lathe processing. This method cannot meet the simultaneous processing of a large number of sealing grooves, and the requirements for workers are too high to meet the actual conditions. processing needs

Method used

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  • Method for Automatically Machining 90° Inner Hole Sealing Groove by Digital Milling Machine Tool
  • Method for Automatically Machining 90° Inner Hole Sealing Groove by Digital Milling Machine Tool

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Experimental program
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Embodiment Construction

[0019] 1. Inner sealing groove processing:

[0020] When machining the inner hole sealing groove, select the command (Profilr Contouring) in the CATIA program, and set the parameters according to the material steps:

[0021] (1) Set the tool cutting path:

[0022] 1. Set in the Profilr Contouring option:

[0023] Processing method: Tool path style is selected as: Zig zag (serrated cutting)

[0024] Machining tolerance: Machining tolerance: set to: 0.005mm. According to the precision of the current digital milling machine, if the setting is lower than 0.005mm, it is easy to cause the hole size to be out of tolerance when machining the inner hole sealing groove.

[0025] Processing accuracy: Fixture accuracy is selected as: 0.005mm. According to the surface accuracy of the parts processed by the current digital milling machine tool, if the setting is lower than 0.005mm, the surface accuracy of the sealing groove will not meet the design requirements when processing the inner...

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Abstract

The invention provides a method for machining a 90-degree inner hole sealing groove fully automatically through a numerical-control milling machine. The method is characterized by comprising the following steps that (1) a machining procedure (CATIA) is started, and a command is selected in the procedure; (2) the basic parameter and machining parameter of the required command are set, the machining mode is set to be sawtooth cutting, the machining precision is set to be 0.005 mm, and the cutting depth is set to be 0.2 mm; (3) a machining part is arranged, and the sealing groove bottom offset and the sealing groove contour offset are set correspondingly according to sealing grooves of different dimensions; (4) a 90-degree sealing groove milling tool is adopted, tool parameters and corresponding machining parameters are set, the cutting speed of the tool is set to be 500-1000 mm, the rotating speed of a tool spindle is set to be 7500-8500 turn; and (5) machining of the inner sealing groove is conducted.

Description

technical field [0001] The invention relates to a processing method for mechanical parts, in particular to processing a 90° inner hole sealing groove by using a digital milling method combined with a milling cutter. Background technique [0002] The sealing groove is a kind of mechanism used for the sealing function of the pipeline sealing connection. When processing such sealing holes by ordinary lathe machining, a combination fixture needs to be assembled once for each hole, which is not conducive to the efficient processing of parts. At the same time prone to quality problems. In China, there is no way and method to completely use the useful digital milling method to process the sealing groove of the inner hole. Most of them use lathe processing. This method cannot meet the simultaneous processing of a large number of sealing grooves, and the requirements for workers are too high to meet the actual conditions. processing needs. Contents of the invention [0003] The i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/28
Inventor 梁涛王丽芳汪小军郑乔黄佳美郭松范姝芳
Owner CHANGHE AIRCRAFT INDUSTRIES CORPORATION
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