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Hot forging forming method for titanium alloy aviation three-way elbow joint

A technology of elbow joint and forming method, which is applied in the direction of engine components, mechanical equipment, etc., can solve the problems of easy occurrence of folding and cracking, and achieve the effect of reducing folding and reducing the amount of deformation.

Inactive Publication Date: 2021-03-16
无锡航亚科技股份有限公司
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  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for hot forging of titanium alloy aviation tee elbow joints to solve the problem that titanium alloy aviation tee elbow joints are prone to folds and cracks during the hot forging process in the prior art. defective technical issues

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  • Hot forging forming method for titanium alloy aviation three-way elbow joint
  • Hot forging forming method for titanium alloy aviation three-way elbow joint
  • Hot forging forming method for titanium alloy aviation three-way elbow joint

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Embodiment Construction

[0030] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0031] see Figure 1-8 , the invention provides a titanium alloy aviation tee elbow joint hot forging forming method, comprising the following steps:

[0032] Step 1: Blanking: According to the weight of the pre-forged piece, plus the weight of the burr distributed according to the shape, the initial blanking weight is obtained; combined with the maximum allowable 60% deformation of the titanium alloy, the raw material with a diameter is calculated; finally, according t...

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Abstract

The invention discloses a hot forging forming method for a titanium alloy aviation three-way elbow joint. The hot forging forming method comprises the steps of feeding, heating and upsetting (or bending), shot blasting, defect checking and polishing and repairing, polishing, spraying, heating and pre-forging, pre-forging and trimming, shot blasting, defect checking and polishing and repairing, polishing, spraying, heating and finish forging, finish forging and trimming and the like. The step-by-step progressive forging forming process is adopted, the material volume of each step is reasonablycalculated, the material deformation of each step is reduced, and a surface treatment process is added before each forming step, so that the generation of folding and cracks is further reduced.

Description

technical field [0001] The invention relates to the technical field of titanium alloy forging and forming, in particular to a method for hot forging and forming of a titanium alloy aviation tee elbow joint. Background technique [0002] At present, the common tees / elbow joints on the market are mostly made of stainless steel, carbon steel, copper, ductile iron and other materials, and their forming processes are mostly welding, casting, hydraulic expansion, hot pressing, etc. The material strength of the manufactured products , The organizational performance is far from meeting the requirements of aviation parts. In order to meet the technical specifications of aviation parts, titanium alloys are often used for aviation parts. However, due to the material properties of titanium alloys such as high elastic modulus and poor formability, and the structural characteristics of poor material fluidity due to uneven material distribution of tee / elbow joints, The hot forging process...

Claims

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Application Information

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IPC IPC(8): B21K1/16
CPCB21K1/16
Inventor 张裕杰李湘军何涛
Owner 无锡航亚科技股份有限公司
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