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Method for processing titanium alloy sealing deep cavity threads

A technology for thread machining and titanium alloys, applied in the field of titanium alloy closed deep cavity thread machining tools and processing, can solve the problems of lack of machining experience and tool solutions, and achieve the effect of improving the level of manufacturing technology, far-reaching economic benefits, and preventing tool interference.

Inactive Publication Date: 2015-05-13
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the closed deep cavity thread with such a small inner hole diameter, there is no relevant processing experience and tool plan

Method used

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  • Method for processing titanium alloy sealing deep cavity threads
  • Method for processing titanium alloy sealing deep cavity threads
  • Method for processing titanium alloy sealing deep cavity threads

Examples

Experimental program
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Embodiment 1

[0027] A method capable of realizing titanium alloy closed deep cavity thread processing and its special tool breaks through the technical bottleneck of titanium alloy closed deep cavity thread processing, ensures the smooth development of the fan shaft, and provides valuable experience for the processing of similar parts in the future.

[0028] This embodiment is a titanium alloy closed deep cavity thread processing method. The specific processing content is the titanium alloy fan shaft closed deep cavity thread M86×1.5-6H. It is processed from the big end at a depth of 345mm; it specifically uses a special turning tool for titanium alloy closed deep cavity thread processing. Plate 2, processing knife plate slideway 3 constitute; Blade 4 is fixed on the outstretched end end of processing knife plate 2; The processing blade slideway 3 of the front section of the rod body 1 can slide along the extension direction of the processing blade slideway 3; the processing blade slideway...

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Abstract

The invention discloses a method for processing titanium alloy sealing deep cavity threads. The specific processing content is the sealing deep cavity threads of a titanium alloy fan shaft; a special lathing tool is used to process the titanium alloy sealing deep cavity threads and is formed by a toolbar and a blade (4), wherein the toolbar is specifically formed by a toolbar body (1), a processing cutting board (2) and a processing cutting board slideway (3); the specific requirements of the method for processing titanium alloy sealing deep cavity threads are that the tool only enters from a large end to process, a small diameter is firstly lathed, a hollow knife slot is then lathed, and the threads are lathed; and the processing parameter requirements are that the feed rate f is equal to 1.5mm / r, the rotating speed s is equal to 150-200 r, and the lathing depth ap is equal to 0.1-0.2mm. By the method, the cutting vibration can be effectively controlled, so that the technical bottleneck that a titanium alloy sealing deep cavity threaded cutter vibrates, cannot be observed and thus is difficult to process are broken through. The method has profound significance and inestimable economic benefit.

Description

technical field [0001] The invention relates to a titanium alloy closed deep cavity thread processing tool and processing, and in particular provides a titanium alloy closed deep cavity thread processing method. Background technique [0002] In mechanical engineering technology, especially in the processing and manufacturing of titanium alloy fan shaft parts, closed deep cavity thread processing is a major technical difficulty. This kind of technology has never been used before, and it is the first contact. There is no similar processing for reference. craft. The titanium alloy fan shaft is the key part. The structure of this part is complex. The thread processing space of the closed deep cavity is narrow. Big. The material is titanium alloy, which is a difficult-to-machine material, and the thread processing of the inner closed deep cavity cannot be realized according to the traditional process. Closed deep cavity thread processing technology must ensure that the tool ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23G1/00B23G5/00
Inventor 郑琪然宋平飞邓昶张印崔建民
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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