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Processing method of titanium alloy TA15 thin-wall long boss

A technology of titanium alloy and boss, which is applied in the direction of metal processing equipment, metal processing machinery parts, workpieces, etc., to achieve the effect of reducing control, reducing part deformation, and meeting processing needs

Active Publication Date: 2018-02-23
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Problems solved by technology

[0007] In order to solve the above-mentioned technical problems, the present invention provides a processing method for thin-walled long bosses of titanium alloy TA15, which is mainly applied to the milling of axially long bosses made of titanium alloy TA15 material of a new generation of aero-engines, and solves the problem of thin-walled catheters. Due to the adverse effects of mechanical deformation such as thin wall thickness and long axial dimension during the processing of parts, technical bottlenecks such as the preparation of milling CNC programs and the determination of milling processing parameters have been overcome, effectively ensuring the thinness of titanium alloy TA15 materials. Shape and dimensional accuracy requirements for parts with long wall bosses

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  • Processing method of titanium alloy TA15 thin-wall long boss
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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the accompanying drawings.

[0038] figure 1 It is a schematic diagram of the structure of a thin-walled long boss part, figure 2 is a schematic cross-sectional view of a thin-walled long boss part, image 3 is a three-dimensional schematic diagram of a thin-walled long boss part, Figure 4 It is a schematic diagram of the structure of the thin-walled long boss fixture. As shown in the figure, the catheter part of a new machine is a thin-walled long boss part (a length 838mm, f cylinder wall outer diameter Ф110mm, m wall thickness 1.3mm), the part is made of TA15 titanium alloy, and the outer diameter of the catheter needs to be milled 10mm. There is a long bar-shaped boss, and the length b of the boss is 432mm. Thin-walled long boss parts have complex shapes, are prone to vibration and deformatio...

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Abstract

The invention relates to the technical field of machining, in particular to a processing method of a titanium alloy TA15 thin-wall long boss. The processing method particularly comprises the followingsteps: removing the margin of a middle arm, removing the margin of the right side of the boss, removing the margin of the left side of the boss, finish-milling the middle arc, finish-milling the right side of the boss and finish-milling the left side of the boss. The processing method is mainly applied to milling of an axial long boss of the new generation aero-engine titanium alloy TA15 material, the adverse effects of machining deformation of thin part structure wall and long axial size in the processing process of thin-wall guide pipe parts are avoided, the technical bottlenecks of programming of milling processing numerical control program and determination of milling processing process parameters are overcome, and the shape and the size precision requirements of the titanium alloy TA15 material thin-wall long boss parts are guaranteed effectively.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a processing method for a titanium alloy TA15 thin-walled long boss. Background technique [0002] As structural metals, titanium and titanium alloys have a series of outstanding advantages such as high strength, good corrosion resistance, and high temperature resistance, and have been highly valued and widely used in aviation, aerospace and other fields. With the development of titanium alloy research and production, the amount of titanium used in aircraft is increasing. The percentage of titanium alloy used in the mass of aircraft structure has become an important symbol to measure the advanced nature of aircraft. TA15 titanium alloy material has good comprehensive mechanical properties and excellent forging, heat treatment and welding process performance. TA15 titanium alloy can be used to manufacture important structural parts with high working temperature and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/00B23Q3/06
CPCB23C3/00B23C2222/88B23Q3/062
Inventor 万秀屏李继伟周瑜陈磊王莲
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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