Dynamic pressure supporting device and method for thin-wall part processing

A thin-walled part processing and supporting device technology, applied in positioning devices, metal processing equipment, metal processing machinery parts, etc., can solve the problem of expensive equipment, and achieve the effects of improving surface quality, strong vibration absorption, and simple equipment

Active Publication Date: 2019-06-07
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this support method needs to use a complex oil supply system to provide pressure

Method used

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  • Dynamic pressure supporting device and method for thin-wall part processing

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Example Embodiment

[0022] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solution and the drawings.

[0023] The processing system includes a tool 1, a workpiece 2, and a servo feed system. The cutter 1 is used for milling the workpiece 2; the workpiece 2 is the material to be processed.

[0024] The dynamic pressure system includes a roller 3, a shaft 4, a lubricating oil 5, a guide rail 6, a sliding table 7, an oil supply groove 8 and a flexible membrane 9. There is a wedge-shaped gap between the roller 3 and the workpiece 2. The shaft 4 is driven by a motor to rotate the roller 3, the roller 3 is immersed in the lubricating oil 5, and the roller 3 rotates at a certain speed to form a relative movement with the surface of the workpiece 2. Under the control of the servo feed system, the oil supply groove 8 can drive the oil supply groove 8 to move in the X, Y, and Z directions. The lubricating oil 5 is injected into the oil su...

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Abstract

The invention relates to a dynamic pressure supporting device and a method for thin-wall part processing, and belongs to the technical field of precision processing and supporting. The dynamic pressure supporting device comprises a processing system and a dynamic pressure system, wherein a cutter of the processing system is positioned at a processing side of a workpiece and connected with a servofeeding system, and the workpiece is positioned between the cutter and the dynamic pressure system; a roller in the dynamic pressure system is positioned at the supporting side of the workpiece and immersed in lubricating oil; a wedge-shaped gap is formed between the roller and the workpiece; the roller is driven to rotate by a motor to form a dynamic pressure oil film on the surface of the workpiece, so the flexible support for the workpiece is realized; the lubricating oil is injected into an oil supply tank through an oil supply port on the oil supply tank and sealed by a flexible film. According to the invention, the workpiece can be separated from the roller by the dynamic pressure oil film, the roller does not contact with the workpiece directly, so scratches are not generated on thesurface of the workpiece. Meanwhile, the oil film has strong vibration absorption, which can effectively inhibit chatter during machining and improve the surface quality of the machined workpiece.

Description

technical field [0001] The invention belongs to the technical field of precision machining support, and relates to a dynamic pressure support device and method for processing thin-walled parts. Background technique [0002] In order to reduce the weight of the aircraft, enable the aircraft to carry more materials, reduce fuel consumption, and improve the overall performance of the aircraft, thin-walled parts, such as the skin of the aircraft, are widely used on the aircraft. The rigidity of thin-walled parts is low, and it is easy to be deformed by force during processing, and it is easy to generate chatter during processing. Therefore, the processing of thin-walled parts is a difficult problem in the field of aerospace manufacturing. [0003] At present, the traditional thin-walled parts processing generally adopts the method of chemical milling. Chemical milling is to use the principle of chemical reaction to remove material, and can get the required size and shape of pa...

Claims

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Application Information

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IPC IPC(8): B23Q3/00B23Q3/06
Inventor 郭江王斌许永波
Owner DALIAN UNIV OF TECH
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