Deep cavity processing method based on titanium alloy monobloc forging component

A technology of integral forging and machining method, applied in the deep cavity machining field, can solve the problem of not providing the parameters and methods of titanium alloy plunge milling machining, and achieve the effect of reducing the number of tool changes, ensuring machining accuracy and improving durability

Inactive Publication Date: 2016-02-10
CHENGDU AIRCRAFT INDUSTRY GROUP
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Problems solved by technology

[0005] A common feature of the above-mentioned patents is that only the rough machining of deep cavities is considered, and the finishing mac

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  • Deep cavity processing method based on titanium alloy monobloc forging component
  • Deep cavity processing method based on titanium alloy monobloc forging component
  • Deep cavity processing method based on titanium alloy monobloc forging component

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[0026] The patent of the present invention relates to the deep cavity processing of titanium alloy integral forging parts. Firstly, the processing of all the deep cavity processes is completed on a CNC milling machine or a machining center. In order to adapt to the characteristics of titanium alloy processing, that is, the tool wears quickly and consumes a lot, adopt Machined inserts and toolholders machine deep cavities.

[0027] See Figure 1 to Figure 4 , processing technology of the present invention comprises the steps:

[0028] Step 1: select the drilling tool of uncoated cemented carbide drilling insert and the corresponding cutter bar to form drilling 1 processing, the drilling tool diameter that the present invention adopts is 50mm, adopts internal cooling mode, as shown in the figure , into the upper surface of the titanium alloy integral forging, the processing parameters are as follows: cutting speed v = 50 ~ 60m / min, feed rate f z =0.08~0.1 mm / z. The depth of d...

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Abstract

The invention discloses a deep cavity processing method based on a titanium alloy monobloc forging component. The deep cavity processing method comprises the following steps of: firstly performing hole drilling process by selecting an uncoated hard alloy drilling-and-cutting blade, wherein an internal cooling manner is adopted; performing inserting-and-drilling processing on a deep cavity by adopting a coated inserting-and-milling blade, wherein an S-shaped processing path is adopted, the row spacing S is 0.5 multiplied by the diameter of a blade, the cutting speed V is 30m/min, the radial knifing depth ae is 0.3 multiplied by the diameter of the blade, feed per tooth fZ is 0.08mm/z, and the blade is retracted in an arc manner; performing inserting-and-milling crude processing by adopting the same blade, wherein the S-shaped processing path is adopted, and the adopted row spacing S is 5mm; performing inserting-and-milling essence processing, wherein the S-shaped processing path is adopted, the adopted row spacing is shown as the description, the blade is retracted in the arc manner, and the internal cooling manner is adopted; performing milling-and-cutting processing on the bottom filleted corner of the deep cavity by adopting a round head milling blade; and finally polishing. Through the adoption of the deep cavity processing method disclosed by the invention, the number of the adopted blades during the deep cavity processing is small, the blade changing times and the corresponding assisting time are shortened, the durable degree of the blades is increased, and the processing precision of the deep cavity is guaranteed.

Description

technical field [0001] The invention relates to a processing method of a deep cavity, in particular to a processing method of a deep cavity based on a titanium alloy integral forging, and belongs to the technical field of mechanical processing. The invention provides a new thought and method for solving the problem of difficult processing of deep guns. Background technique [0002] Titanium alloy has many excellent characteristics such as high specific strength, strong heat resistance, corrosion resistance, and good low temperature performance. It is a new type of structural material with development prospects, and it is more and more widely used in aviation, aerospace and other industries. Titanium alloy has many excellent properties, but its machinability is poor. The key lies in the comprehensive influence of the chemical, physical and mechanical properties of titanium alloy itself on its machinability, especially for many titanium alloy parts used in aviation, aerospace ...

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Application Information

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IPC IPC(8): B23P13/02
CPCB23P13/02
Inventor 陈雪梅张文光傅玉灿陈伟何磊孙涛莫建勇
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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