Method for milling large diameter thread of titanium alloy or high-temperature alloy material pieces

A high-temperature alloy and milling processing technology, which is applied in the field of thread processing, can solve the problems of high processing labor intensity, unguaranteed thread verticality and thread surface quality, and low processing efficiency, so as to reduce labor intensity, improve processing accuracy, and improve processing efficiency. The effect of improving efficiency

Inactive Publication Date: 2010-07-07
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problems in the prior art of manually processing titanium alloy or high-temperature alloy materials, especially large-diameter threads above M30, that the processing efficiency is low, the processing labor intensity is high, and the verticality of the thread and the surface quality of the thread cannot be guaranteed, the present invention provides A large-diameter thread milling method for titanium alloy or superalloy material parts is proposed. This method not only has high processing efficiency, reduces the labor intensity of the operator, but also greatly reduces the scrap rate caused by the verticality of the thread and the quality of the thread surface.

Method used

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  • Method for milling large diameter thread of titanium alloy or high-temperature alloy material pieces

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Effect test

Embodiment 1

[0019] A large-diameter thread milling method for titanium alloy or high-temperature alloy material parts, especially for thread processing of large diameter above M30, the material is high-temperature alloy or titanium alloy difficult-to-machine materials, and the processing is carried out by numerical control equipment. The numerical control equipment used is Zhejiang Rifa CNC four-axis horizontal milling machine tool, model RFMH80, determines the thread milling cutter through the analysis of the parameters of the large-diameter thread. Movement, especially in the processing parameters have higher requirements, the specific processing steps are as follows:

[0020] Step 1, use a drilling tool to drill the threaded bottom hole, the speed S=250 rev / s, the feed rate F=20 mm / rev;

[0021] In the second step, the thread milling cutter quickly moves to the safe plane of the workpiece;

[0022] Step 3, thread milling cutter to thread depth dimension;

[0023] Step 4, the thread m...

Embodiment 2

[0029] A large-diameter thread milling method for titanium alloy or high-temperature alloy material parts, especially for thread processing of large diameter above M30, the material is high-temperature alloy or titanium alloy difficult-to-machine materials, and the processing is carried out by numerical control equipment. The numerical control equipment used is Zhejiang Rifa CNC four-axis horizontal milling machine tool, model RFMH80, determines the thread milling cutter through the analysis of the parameters of the large-diameter thread. Movement, especially in the processing parameters have higher requirements, the specific processing steps are as follows:

[0030] Step 1, use a drilling tool to drill the threaded bottom hole, the speed S=400 rev / s, the feed rate F=50 mm / rev;

[0031] In the second step, the thread milling cutter quickly moves to the safe plane of the workpiece;

[0032] Step 3, thread milling cutter to thread depth dimension;

[0033] Step 4, the thread m...

Embodiment 3

[0039] A large-diameter thread milling method for titanium alloy or high-temperature alloy material parts, especially for thread processing of large diameter above M30, the material is high-temperature alloy or titanium alloy difficult-to-machine materials, and the processing is carried out by numerical control equipment. The numerical control equipment used is Zhejiang Rifa CNC four-axis horizontal milling machine tool, model RFMH80, determines the thread milling cutter through the analysis of the parameters of the large-diameter thread. Movement, especially in the processing parameters have higher requirements, the specific processing steps are as follows:

[0040] Step 1, use a drilling tool to drill the threaded bottom hole, the speed S=500 rev / s, the feed rate F=70 mm / rev;

[0041] In the second step, the thread milling cutter quickly moves to the safe plane of the workpiece;

[0042] Step 3, thread milling cutter to thread depth dimension;

[0043] Step 4, the thread m...

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Abstract

The invention provides a method for milling a large diameter thread of titanium alloy or high-temperature alloy material pieces, which particularly aims at machining threads, with a large bore diameter over M30, of a difficult-to-machine material such as high-temperature alloy or titanium alloy. Due to the adoption of the digital control technology and the analysis of parameters of the large diameter thread, a thread milling cutter is determined; spiraling is mainly realized by the motions of a machine tool during machining, so the important thing of thread milling is how to control the motions of the machine tool, and particularly the thread milling has higher requirements on the machining parameters; and the method improves the machining efficiency and simultaneously ensures the thread verticality and the thread surface finishment, so the quality of thread machining is greatly improved.

Description

technical field [0001] The invention relates to a thread processing method, in particular to a large-diameter thread milling method for titanium alloy or superalloy material parts Background technique [0002] For high-temperature alloys and titanium alloys and other difficult-to-machine materials, especially large-diameter thread processing above M30, manual tap tapping is generally used for processing. [0003] There are many problems in manual processing of large-diameter threads of difficult-to-machine materials such as high-temperature alloys and titanium alloys. Due to the relatively large thread aperture, the operator’s labor intensity is high, and the verticality of the threads cannot be guaranteed, resulting in large assembly errors. Manual The surface quality and surface gloss of the processed thread are poor, the processing accuracy is not enough, and the reject rate is relatively high. Especially for mass production of threads, due to the low efficiency of manua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G1/32
Inventor 崔晶师俊东周洪发韩博张男胡晓松
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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