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Processing method for titanium alloy inclined plane step holes

A processing method and step hole technology, applied in metal processing equipment, manufacturing tools, drilling/drilling equipment, etc., can solve problems such as no processing experience and cutting tool solutions, achieve technical level improvement, ensure design requirements, and far-reaching economy benefit effect

Inactive Publication Date: 2013-02-13
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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  • Processing method for titanium alloy inclined plane step holes
  • Processing method for titanium alloy inclined plane step holes
  • Processing method for titanium alloy inclined plane step holes

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Experimental program
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Effect test

Embodiment 1

[0023] A processing method capable of realizing stepped holes on titanium alloy slopes and its special tool breaks through the technical bottleneck in the processing of stepped holes on titanium alloy slopes, ensures the smooth development of fan shafts, and provides valuable experience for the processing of similar parts in the future.

[0024] A method for processing a titanium alloy inclined-plane step hole, which uses a special composite processing tool, and the composite processing tool is a coaxial segmented integrated overall structure tool, according to the distance from the tool handle (4) from far to near The following three-section structures are arranged in series in sequence: the drill part (1), the reamer part (2), and the nut (3);

[0025] The specific requirements for the processing method of the titanium alloy inclined-plane step hole are:

[0026] ①Adjust the nut of the compound reaming drill: adjust it to the position that meets the requirements of the step ...

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Abstract

The invention relates to a processing method for titanium alloy inclined plane step holes. The processing method is characterized in that a special composite processing cutter is used, the composite processing cutter is of a coaxial, sectional, unified and integral structure, and the three sections of structures, namely a drill head part (1), a cornish bit part (2) and a screw cap (3) are arranged in series according to the distance with a cutter handle (4) from far and near sequence; and the specific requirement of the processing method for the titanium alloy inclined plane step holes is as follows: (1) the screw cap of a composite expanding drill is adjusted, (2) a test piece is tested, and (3) the test piece is measured to qualify so as to carry out part processing. The processing method provided by the invention breaks through the technic bottle neck of inclined plane step holes process, guarantees the smooth implementation of development production of a compressor wheel disc, and provides precious referential experience for the later similar part process.

Description

technical field [0001] The invention relates to a processing tool and processing of a titanium alloy inclined-plane stepped hole, and in particular provides a processing method for a titanium alloy inclined-plane stepped hole. 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 t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23B51/08
Inventor 隋景丛于洁谢尊宁张国立
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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