Method for evaluating influence of cutter deformation on helical milling drilling precision

A helical milling and cutting tool technology, which is applied in the field of evaluation of the impact of tool deformation on helical milling hole-making accuracy, can solve the problem of lack of evaluation methods or techniques for the degree of influence, and achieve the effect of improving hole-making accuracy

Pending Publication Date: 2020-03-06
SHENYANG AEROSPACE UNIVERSITY
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Problems solved by technology

In the process of helical milling hole making, there is still no evaluation method or technology for the influence of the deformation of the tool on the machining hole diameter due to the radial force

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  • Method for evaluating influence of cutter deformation on helical milling drilling precision
  • Method for evaluating influence of cutter deformation on helical milling drilling precision
  • Method for evaluating influence of cutter deformation on helical milling drilling precision

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Embodiment Construction

[0031] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] Such as figure 1 As shown, the method of this embodiment is as follows.

[0033] The invention provides a method for evaluating the influence of tool deformation on the hole making precision of helical milling, comprising the following steps:

[0034] Step 1: use the helical milling method to perform helical milling on the material to be processed;

[0035] Step 2: Detect the radial force during the helical milling hole making process;

[0036] Step 3: Perform size data detection on the detection position set in the material aperture after helical milling. The detection position setting method is to distribute 5-7 positions evenly between the hole entrance and th...

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Abstract

The invention provides a method for evaluating influence of cutter deformation on helical milling drilling precision, and relates to the technical field of machining precision. The method comprises the following steps: 1, performing helical milling and drilling on a to-be-machined material; 2, detecting radial force in the helical milling drilling process; 3, carrying out size data detection on adetection position set in the aperture of the material obtained after helical milling; 4, establishing a three-dimensional model of the milling cutter in the helical milling process; 5, according to the three-dimensional model of the milling cutter and the radial force borne by the milling cutter at each detection position, performing deformation simulation analysis on the milling cutter by adopting a finite element simulation method; and 6, comparing the aperture measurement results at different detection positions with the cutter deformation simulation analysis result obtained in the step 5to obtain the influence degree of cutter deformation on the aperture precision. According to the method, the influence degree of cutter deformation on the aperture precision can be rapidly and accurately obtained, and then technical measures for improving the drilling precision can be obtained.

Description

technical field [0001] The invention relates to the technical field of machining accuracy, in particular to an evaluation method for the influence of tool deformation on the hole-making accuracy of helical milling. Background technique [0002] In order to gain an advantage in the international competition in the field of aviation and aerospace, materials such as high-strength and high-corrosion-resistant titanium alloys and high-temperature alloys are widely used in aero-engines, and the use of titanium alloys and high-temperature alloys in new aero-engines is increasing. bigger. Titanium alloys and high-temperature alloys have excellent service performance, but also have extremely high processing difficulty. In particular, with the increasing requirements for machining accuracy, machining efficiency, and surface quality of parts for new aircraft, new challenges are posed to advanced manufacturing technologies. [0003] Aeronautical materials are mostly difficult-to-machi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23
Inventor 王奔张棋张凡马书娟庄鑫
Owner SHENYANG AEROSPACE UNIVERSITY
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