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Titanium alloy thin polyhedron rudder frame and its processing method

A processing method and titanium alloy technology, applied in the field of titanium alloy thin polyhedral rudder frame and its processing, can solve the problems of poor stability and low processing efficiency, achieve high accuracy, improve processing efficiency, good stability and reliability Effect

Active Publication Date: 2018-12-28
SHANGHAI SPACE PRECISION MACHINERY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The problem solved by the present invention is that the existing titanium alloy skeleton thin polyhedron parts have low processing efficiency and poor stability; in order to solve the problems, the present invention provides a titanium alloy thin polyhedron rudder skeleton and its processing method

Method used

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  • Titanium alloy thin polyhedron rudder frame and its processing method
  • Titanium alloy thin polyhedron rudder frame and its processing method
  • Titanium alloy thin polyhedron rudder frame and its processing method

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Embodiment Construction

[0047] Hereinafter, the spirit and essence of the present invention will be further elaborated in conjunction with the drawings and embodiments.

[0048] Such as figure 1 As shown, the reserved schematic diagram of the rudder skeleton craft block. Its material is Ti6Al4V titanium alloy plate, the maximum size of the contour of the part after three-axis CNC milling is 412x240xδ20mm, the protruding contour width of the process block 11 is 18mm, and the thickness of the process block is consistent with the part. The bottom surface of the part and both sides of the process block in the middle of the bottom are finely milled as the positioning datum surface 12 for subsequent processing. The bottom surface of the inclined surface is rectangular, and the bottom surface of the front edge inclined surface is triangular.

[0049] Such as figure 2 (a), the section of the titanium alloy thin polyhedron rudder frame provided by the embodiment of the present invention is a right-angled ...

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Abstract

The invention discloses a titanium alloy polyhedron rudder frame and preparation method thereof. The section of the titanium alloy polyhedron rudder frame is a right trapezoid which comprises a leading hedge slope and an inclined surface. The leading hedge slope and the inclined surface comprise two slopes which are symmetrical about the right trapezoid. The section of the inclined surface is a right trapezoid which shares the same right-angle waist with the rudder frame. The upper base of the inclined surface is less than the upper base of the rudder frame. The inclined surface is provided with several weight loss windows, which makes integrated components form a framework structure.

Description

technical field [0001] The invention relates to a space vehicle rudder frame structure, in particular to a titanium alloy thin polyhedron rudder frame and a processing method thereof. Background technique [0002] In order to meet the requirements of light weight and high strength of modern aerospace products, several new models adopt the design of rudder skeleton welding skin, and use the skeleton skin rudder surface to maintain flight attitude and control direction. The rudder frame is one of the important parts, and the material of the parts is Ti6Al4V, which is a typical representative of α+β titanium alloy. This material is an alloy formed by adding elements mainly of α-phase stable elements Al, O, N, and C to titanium, and at the same time adding elements of β-phase stable elements Mo, V, Cr, Fe, and Si. It has good comprehensive mechanical properties, good structural stability, good toughness, plasticity and high temperature deformation ability, high cutting temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 蹇悦邱立新宋健杨叶郭国强穆英娟孙程成
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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