Method for optimizing plunge milling machining of slotting of integral impeller

A technology of integral impeller and optimization method, applied in metal processing, metal processing equipment, metal processing mechanical parts, etc., to achieve the effect of avoiding interference, small blade deformation, and high cutting efficiency
CN102601434AActive Publication Date: 2012-07-25SHANGHAI JIAO TONG UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2012-07-25

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Abstract

The invention discloses a method for optimizing plunge milling machining of a slotting of an integral impeller. The method comprises the steps of establishing a plunge milling dynamics model and a milling model of a large filleted corner milling cutter asymmetry milling; substituting a modal parameter obtained from a modal experiment and a dynamic milling force obtained through a milling force model into a dynamics equation so as to further modify the cutting force; establishing an equivalent cutter bar stability analyzing finite element model, introducing a deformation ratio and a cutter bardanger position radial offset so as to obtain an optimized cutting parameter. According to the method, the problem of selection optimization of cutting parameters in the plunge milling machining of the slotting of integral impellers is solved, so that the interference phenomenon between cutters and work pieces is avoided; and the beneficial effects of small impeller deformation and high cutting efficiency are achieved. The method is also applicable for rough milling machining of slotting of similar parts.
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Description

technical field

[0001] The invention relates to a processing method of an integral impeller of an aero-engine, in particular to a method for selecting and optimizing cutting parameters for slotting and milling of the integral impeller, and belongs to the technical field of mechanical processing. Background technique

[0002] As a key component of power machinery, the integral impeller is widely used in aviation, aerospace, power and other fields. Whether the processing quality of the impeller and whether the processing accuracy meets the requirements directly determine the performance of the entire equipment, and the rough machining and milling technology of the overall impeller slotting is one of the key technologies in the impeller processing process, and its quality directly affects the subsequent semi-finished products. The processing quality of finishing and finish machining, therefore, which cutting parameters to choose during the rough machining and milling process of...

Claims

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