Thin-wall elliptical part numerical control machining method

A processing method, ellipse technology, which is applied in the field of numerical control processing of thin-walled ellipse parts, can solve the problems of cumbersome processing technology, unstable clamping, and low processing accuracy, and achieve the effects of reasonable process arrangement, guaranteed processing quality, and solved bottlenecks

Inactive Publication Date: 2014-04-30
NORTH CHINA INST OF AEROSPACE ENG
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Problems solved by technology

Its characteristic is that the inner cavity has an elliptical structure, and the outer ring groove and the cavity are relatively thin, and the thinnest part is only 2mm. These factors will cause the workpiece to be deformed and scrapped. The traditional elliptical thin-walled parts have cumbersome processing technology, unstable clamping, low processing accuracy, and low pass rate.

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  • Thin-wall elliptical part numerical control machining method
  • Thin-wall elliptical part numerical control machining method
  • Thin-wall elliptical part numerical control machining method

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0017] Such as Figure 1 to Figure 9 As shown, a numerical control processing method for thin-walled elliptical parts, including: the first step, blanking: prepare the aluminum bar on the sawing machine according to the drawing size; the second step, rough turning: rough turning on the CNC lathe according to the drawing size The end face, outer circle and inner hole of the bar; the third step, the milling process benchmark: a small plane is finely milled on the φ154mm cylindrical surface on the CNC milling machine as a process benchmark, which is convenient for the next step of drilling and alignment and milling inside the ellipse Alignment of the cavity and ring groove; the fourth step, drilling: alignment of process benchmarks, machining 8-φ6 holes on the CNC milling machine; fifth step, rough milling of elliptical inner cavity: alignment of process be...

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Abstract

A thin-wall elliptical part numerical control machining method includes the steps of firstly, feeding; secondly, roughly turning; thirdly, milling process reference; fourthly, drilling; fifthly, roughly milling an elliptical inner cavity; sixthly, precisely milling the elliptical inner cavity; seventhly, roughly milling an outer annular groove; eighthly, precisely milling the outer annular groove; ninthly, precisely turning outer allowance. By the method reasonable in process arrangement, deformation of thin-wall elliptical parts is avoided effectively, machining quality of elliptical thin-wall parts is guaranteed, and the machining bottleneck of special-shaped elliptical thin-wall parts is solved.

Description

technical field [0001] The invention belongs to the field of numerical control machining, and in particular relates to a numerical control machining method for thin-walled elliptical parts. Background technique [0002] Elliptical thin-walled parts are key parts in modern satellite communication systems, and their processing quality directly affects the quality of satellite communication. Its characteristic is that the inner cavity has an elliptical structure, and the outer ring groove and the cavity are relatively thin, and the thinnest part is only 2mm. These factors will cause the workpiece to be deformed and scrapped. The traditional elliptical thin-walled parts have cumbersome processing technology, unstable clamping, low processing accuracy, and low pass rate. Contents of the invention [0003] The technical problem mainly solved by the present invention is to provide a numerically controlled machining method for thin-walled elliptical parts, which can reduce machin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P13/02
CPCB23P13/02
Inventor 任国柱杨嵩董旭赵陆民叶继英龚志刚张铁
Owner NORTH CHINA INST OF AEROSPACE ENG
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