Finish machining die and method for titanium alloy thin-walled shell casting blank

A thin-walled shell and titanium alloy technology, applied in the field of mechanical processing, can solve the problem of low processing cost, reduce processing difficulty, improve rigidity and strength, and reduce production cost

Inactive Publication Date: 2016-12-07
XIJING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a titanium alloy thin-walled shell billet finishing mold and its processing method, through which the rigidity and strength of the parts can be effectively improved, and the process arrangement Reasonable, high work efficiency, low processing cost, not only can effectively solve the problem of processing deformation of titanium alloy thin-walled shell parts, but also greatly improve the processing accuracy and surface quality of parts

Method used

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  • Finish machining die and method for titanium alloy thin-walled shell casting blank
  • Finish machining die and method for titanium alloy thin-walled shell casting blank
  • Finish machining die and method for titanium alloy thin-walled shell casting blank

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Embodiment

[0051] Experimental machining parts are used such as Figure 4 The parts shown are made of Ti-6Al-4V cast titanium alloy, including inner surface A103, inner surface B104, inner hole 113, outer circle A109, outer circle A111, outer circle B112, outer circle B110, end face A101, end face B102, 4 bosses A105, 4 boss inner holes A107, 4 bosses B106, 4 boss inner holes B108, the wall thickness of the part is 10mm, and the wall thickness error is required to be controlled within ±0.05mm, The maximum diameter of the inner surface A103 is , the roundness error of the inner surface A103 is required to be controlled within 0.05mm, the roundness error of the inner surface A104 and the inner hole 113 is required to be controlled within 0.03mm, the end surface A101 and the end surface B102 The parallelism error is required to be controlled within 0.03mm.

[0052] Such as figure 2 As shown, the outer cylindrical casting process tooling includes an outer cylindrical casting shell 7, an o...

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Abstract

The invention provides a finish machining die and method for a titanium alloy thin-walled shell casting blank. The finish machining die is characterized in that the titanium alloy thin-walled shell casting blank is externally coated with an external casting mold and internally contains an internal casting mold. A fusible alloy is externally cast on the outer surface of the titanium alloy thin-walled shell casting blank, so that the outer surface of a titanium alloy thin-walled shell is thickened, and the thin wall cannot deform during cutting of the inner surface. Similarly, the fusible alloy is internally cast on the inner surface of the titanium alloy thin-walled shell casting blank, so that the inner surface of the titanium alloy thin-walled shell is thickened, and the thin wall cannot deform during cutting of the outer surface. By adoption of the finish machining die and method, the rigidity and the strength of parts can be effectively improved, the working procedures are reasonably arranged, the working efficiency is high, the machining cost is low, and not only can the problem of machining deformation of titanium alloy thin-walled shell parts be solved, but also the machining precision and the surface quality of the parts are greatly improved.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a die for fine machining of a titanium alloy thin-wall shell billet and a processing method thereof. Background technique [0002] Titanium alloy has the characteristics of high strength, low density, good heat resistance, and strong corrosion resistance. It is an engineering material with excellent comprehensive mechanical properties. It has been widely used in the industrial field. [0003] Titanium alloy thin-walled shell parts have a large amount of metal removal, weak rigidity, low strength, and poor processing technology during processing. Under the action of cutting force, cutting heat, and cutting vibration, it is easy to produce large processing deformation and cutting vibration. In this case, it is difficult to guarantee the machining accuracy and surface quality of the parts after machining, and the machining efficiency is also low. How to control the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D19/16B23P15/00
CPCB22D19/009B22D19/16B23P15/00
Inventor 张毅王兴迪李盼盼王莎李勇兴
Owner XIJING UNIV
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