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A kind of processing method of inclined-plane stepped hole in titanium alloy

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 tool solutions, achieve technical level improvement, solve technical bottlenecks, and ensure design required effect

Inactive Publication Date: 2016-08-17
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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  • A kind of processing method of inclined-plane stepped hole in titanium alloy
  • A kind of processing method of inclined-plane stepped hole in titanium alloy
  • A kind of processing method of inclined-plane stepped hole in titanium alloy

Examples

Experimental program
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Effect test

Embodiment 1

[0023] A processing method and its special tool that can realize the stepped hole of the titanium alloy slope, break through the technical bottleneck of the thread processing of the closed deep cavity of the titanium alloy, ensure the smooth progress of the development of the fan shaft, and provide valuable experience for the processing of similar parts in the future.

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

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

[0026] ①Adjust the nut 3: adjust it to a position that meets the requirements of the depth of the step, install the reami...

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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 titanium alloy closed deep cavity thread processing tool and processing, and in particular provides a processing method for a titanium alloy inclined-plane step 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. The distance between the thread and the end face is very deep. . 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...

Claims

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Application Information

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Patent Type & Authority Patents(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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