Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part

A processing method and glass fiber reinforced plastic technology, applied in the field of machining, can solve the problems of slag loss, design index influence, poor rigidity, etc., and achieve the effect of small deformation of finished products, reasonable and reliable process method, and small deformation of products

Active Publication Date: 2015-11-11
HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a processing method for the open centripetal notch of titanium alloy and FRP composite conical parts, which solves or partially solves the slag falling in different parts around the opening in the prior art, and the rigidity is poor during processing. The technical problems that have a great impact on the indicators have achieved the technical effect of ensuring that the process method is reasonable and reliable, the product deformation is small, the stability is good, and the processing quality of the parts can be effectively guaranteed.

Method used

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  • Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part
  • Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part
  • Machining method for forming centripetal notches in titanium alloy and glass fiber reinforced plastic composite conical part

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Experimental program
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Effect test

Embodiment 1

[0062] Milling process design: fillet milling, rough milling above the opening, rough milling below the opening, semi-finishing the entire opening 2, semi-finishing the slope, finishing the entire contour, and finishing the fillet; specifically include:

[0063] S1: Fix the milling clamp on the workbench, the conical part 1 fits the inner hole through the milling clamp, attach the flat milling clamp to the bottom surface, place the milling clamp pressure plate on the small end of the conical part 1, and align the outer circle of the large end. Within 0.1.

[0064] S2: Process the four rounded corners by milling holes. This process uses a YG8 carbide end mill with a specification of Ф10. The speed of the spindle is controlled at 600r / min, and the feed is 500mm / r.

[0065] S3: Align the quadrant line, rough mill the opening of the conical part 1; when processing the opening 2, divide the opening 2 into two parts, the upper end of the opening is made of FRP material, and mainly c...

Embodiment 2

[0071] Milling process design: fillet milling, rough milling above the opening, rough milling below the opening, semi-finishing the entire opening 2, semi-finishing the slope, finishing the entire contour, and finishing the fillet; specifically include:

[0072] S1: Fix the milling clamp on the workbench, the conical part 1 fits the inner hole through the milling clamp, attach the flat milling clamp to the bottom surface, place the milling clamp pressure plate on the small end of the conical part, and align the outer circle of the large end at 0.1 within.

[0073] S2: Process the four rounded corners by milling holes. This process uses a YG8 carbide end mill with a specification of Ф10. The spindle speed is controlled at 700r / min and the feed is 550mm / r.

[0074] S3: Align the quadrant line, rough mill the opening of the conical part 1; when processing the opening 2, divide the opening 2 into two parts, the upper end of the opening is made of FRP material, and mainly cut off t...

Embodiment 3

[0079] Milling process design: fillet milling, rough milling above the opening, rough milling below the opening, semi-finishing the entire opening 2, semi-finishing the slope, finishing the entire contour, and finishing the fillet; specifically include:

[0080] S1: Fix the milling clamp on the workbench, the conical part 1 fits the inner hole through the milling clamp, attach the flat milling clamp to the bottom surface, place the milling clamp pressure plate on the small end of the conical part, and align the outer circle of the large end at 0.1 within.

[0081] S2: Process the four rounded corners by milling holes. This process uses a YG8 carbide end mill with a specification of Ф10. The spindle speed is controlled at 800r / min and the feed is 600mm / r.

[0082] S3: Align the quadrant line, rough mill the opening 2 of the conical part 1; when processing the opening 2, divide the opening 2 into two parts, the upper end of the opening is made of FRP material, and mainly cut the...

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Abstract

The invention relates to a machining method for forming centripetal notches in a titanium alloy and glass fiber reinforced plastic composite conical part. The machining method includes the following steps that the conical part is fixed to a working table; rough milling of four fillets of the conical part is performed; rough milling of an opening of the conical part is performed; the side face of the opening is machined in a spindle-directing mode, and semi-finish milling of a pit of the opening is performed; finish milling of the opening outline and the bevel of the conical part is performed; and finish milling of the four fillet outlines and the pit of the conical part is performed. According to the machining method, technological allowance is reasonably distributed, and deformation is controlled; the precision of an inner hole in the large end of the part is controlled to serve as a positioning reference in the process of forming the centripetal notches, and technological parameters in cutting machining are regulated; product quality and machining efficiency are improved, the rigidity of the part is improved, and the stability of the machining process is improved.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a method for processing a concentric notch of a composite conical part made of titanium alloy and glass fiber reinforced plastic. Background technique [0002] In recent years, with the continuous advancement of science and technology, material technology has developed rapidly. As a new type of material, composite material has gradually become one of the leading materials in the 21st century. Composite materials have the characteristics of light weight, high specific strength, specific modulus, corrosion resistance, high temperature resistance, and ablation resistance. They are ideal materials for weapons such as aircraft, missiles, and aerospace vehicles. "Metal + composite material" is a kind of structural parts that are relatively common in missile weapon systems at present. At present, it is mainly manufactured by winding, suiting, molding and other technologies, and then ...

Claims

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Application Information

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IPC IPC(8): B23C3/28
CPCB23C3/28B23C2220/36B23C2220/605
Inventor 刘凯万佩万方云
Owner HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL
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