High-length-to-diameter ratio variable-section slender shaft ultrasonic elliptical vibration turning machining method

A technology with elliptical vibration and large aspect ratio, which is used in turning equipment, turning equipment, metal processing equipment, etc. to improve processing efficiency, reduce processing costs, and ensure accuracy.

CN101966596BInactive Publication Date: 2012-06-20BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2012-06-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a high-length-to-diameter ratio variable-section slender shaft ultrasonic ellipse vibration turning machining method, which is a new machining method for turning a high-length-to-diameter ratio variable-section slender shaft by an ultrasonic elliptical vibration turning technique. In the method, an elliptical vibration turning device as well as a sectional clamping technical means are adopted, a turning subsequent working procedure in the conventional turning-aging-milling machining process is not used, the machining time is shortened, the machining efficiency is improved greatly, the precision of a processed slender shaft with the length-to-diameter ratio being 55 is up to a level that the bounce relative to a central hole is less than 0.013 millimeters, and the dimensional precision of the slender shaft is less than a standard of + / -0.05 millimeters. The slender shaft machined by the machining method can better meet the requirements of aeromotor on used high-precision slender variable-section shafts.
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Description

Technical field

[0001] The present invention involves a method of processing based on ultrasonic ellipse vibration cutting technology. More specially, it refers to a method that uses ultrasonic ellipse vibration technology to perform high -efficiency and high -quality processing of large long -variable section of the cross section. Background technique

[0002] In the field of mechanical manufacturing, due to the weak rigidity of the long -diameter ratio (long diameter ratio is greater than 20), the effects of fastening, cutting force, cutting heat, and machine tool vibration during processing are obvious.The knife is too large, tremor and other phenomena, so it has always been one of the problems in processing. At present, the processing of the thin shaft is mostly supported by the central frame., The high -precision processing of the large long axis long axis of the large long diameter ratio cannot be achieved.

[0003] Due to the special processing mechanism of ellipse vibrat...

Examples

Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The present invention installs the matching ultrasonic elliptical vibration cutting device 30 in the CNC lathe, and then through the computer and the three-dimensional drawing software and lathe control software installed in the computer, the parts (or workpieces) to be processed are processed. Variable section control processing.

[0025] The present invention is a method for efficient and high-quality processing of slender shaft parts with large length-to-diameter ratio and variable cross-section based on ultrasonic elliptical vibration. The processing method includes the steps of pre-processing preparation and part processing:

[0026] (1) Preparation before processing

[0027] Step 1-1: Digitize the part configuration, use three-dimensional drawing software (such as CATIA / Autocad / Proe, etc.) to carry out the three-dimensional configuration of the ...