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Method for machining deep hole and its special tool

A processing method and a technology for processing cutting tools, which are applied in the field of mechanical processing, can solve the problems of not being able to meet the structural requirements of hollow shafts, processing rigidity, and unsatisfactory effects, and achieve the effects of improving efficiency, simplifying the repair process, and meeting technical requirements

Inactive Publication Date: 2006-06-07
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If we carry out deep hole boring, the effect is still unsatisfactory due to the limitation of the hollow shaft structure
However, the original structural steel tool holder cannot meet the structural requirements and processing rigidity requirements of the hollow shaft.

Method used

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  • Method for machining deep hole and its special tool
  • Method for machining deep hole and its special tool
  • Method for machining deep hole and its special tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Embodiment 1 Carbide Long Tool Arbor Deep Hole Boring Test Application 1

[0056] Test application conditions:

[0057] 1. The processing equipment is KDM-18 deep hole boring machine;

[0058] 2. The tooling used is: hard alloy long knife rod, the tool material for structural steel processing is YT15 turning tool, and the template for profiling (as attached Figure 9 shown) etc.

[0059] In this simulation test, we can find that: after the tool is inserted, the amount of tool clearance of the carbide long tool bar, the springback of the tool bar during processing, and the tremor feeling near the root are all significantly better than those of the traditional structure. Steel blade. See attached table 1 for the data collected during the application process.

Embodiment 2

[0060] Embodiment 2 The application of deep hole processing of a certain hollow shaft (referring to the attached Figure 8 )

[0061] Application conditions:

[0062] 1. The equipment is DDM-18 deep hole boring machine;

[0063] 2. Tooling used: Carbide long tool rod, tool material is YG8 turning tool, and template for profiling (as attached Figure 9 shown).

[0064] In this embodiment, we use cemented carbide tool holders to attach Figure 8 The shown hollow shaft is subjected to deep hole machining, and the machining result is similar to that of the hollow shaft in Example 1. Schedule 2 shows the process attached Figure 8 The hollow shafts shown are the application parameters and machining results. Among them: the cutting test parameters are consistent with the parameters of serial numbers 2, 3, 4, 5, and 6 in the attached table 1, and the effect is very satisfactory.

[0065] Application conclusion: the carbide tool holder is used to attach the Figure 8 The shown...

Embodiment 3

[0066] Embodiment 3 The application of deep hole machining of a certain hollow shaft (referring to the attached Figure 8 )

[0067] Application conditions:

[0068] 1. The equipment is DDM-18 deep hole boring machine;

[0069] 2. Tooling used: Carbide tool holder, turning tool with tool material YT15, template for profiling (as attached Figure 9 shown).

[0070] In this test project, we use carbide long tool holder to attach Figure 8 The hollow shaft shown is processed for deep holes, and the processing result is similar to that of the first type of hollow test shaft. The cutting test parameters are consistent with the parameters of serial numbers 2, 3, 4, 5, and 6 in Attached Table 1, and the effect is very ideal.

[0071] Schedule 1

[0072] serial number

[0073] Preface

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Abstract

The deep hole machining process includes the following successive steps: drilling hole, expanding, coarse reaming, boring and finish reaming. The wall thickness difference in the whole machined length is controlled in 0.02-0.10. The cutter for deep holes machining is long cutter bar of hard alloy and in the length / diameter ratio of 10-20. The deep hole machining technology of the present invention is advanced.

Description

Technical field: [0001] The invention relates to mechanical processing technology, and in particular provides a deep hole processing method and a special cutter. Background technique: [0002] In mechanical engineering technology, deep hole processing has always been a major technical difficulty, and this type of technology has always attracted attention. In deep hole machining, it is sometimes required to achieve high hole machining accuracy; for the machining of hollow shaft parts, one of the main processing difficulties is the control of the thickness difference value of the hollow shaft wall. [0003] The traditional deep hole processing and forming processes are: drilling, reaming, rough reaming with large cone face, rough reaming with small cone face, fine reaming with large cone face, fine reaming with small cone face, boring small head and tail holes. Processing deep holes is often carried out on deep hole drilling machines (see attached Figure 7 ), the drill pipe ...

Claims

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Application Information

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IPC IPC(8): B23P13/00B23B29/02B23B41/02B23K1/008C09J5/02C09J5/06F16B11/00
Inventor 姜雪梅刘伟龙哈剑义
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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