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Electrolysis device and method based on voltage adjustment for conical hub integral blisk multi-blade cascade

An integral blisk and voltage regulation technology, applied in attachments, electric machining equipment, electrochemical machining equipment, etc., can solve problems such as inability to process, and achieve the effects of strong versatility, improved flow field, and improved stability

Active Publication Date: 2022-05-03
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two patents have improved the machining accuracy and efficiency of the blisk channel, but both of them are aimed at the processing of equal-diameter hub blisk channels, and cannot be processed for conical hub profiles and variable-width blade cascade channels.
[0005] The existing overall blisk processing technology has highlighted the problem of processing efficiency and cost of the complex blisk with variable hub diameter and variable blade width, and the processing efficiency and cost of the high-efficiency blade cascade are urgently needed. New processing devices and methods are urgently needed

Method used

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  • Electrolysis device and method based on voltage adjustment for conical hub integral blisk multi-blade cascade
  • Electrolysis device and method based on voltage adjustment for conical hub integral blisk multi-blade cascade
  • Electrolysis device and method based on voltage adjustment for conical hub integral blisk multi-blade cascade

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Experimental program
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Embodiment Construction

[0032] Such as figure 1 As shown, the blisk workpiece 1 is installed on the turntable of the machine tool and connected to the positive pole of the power supply 8. The hollow conical tubular tool cathode 2 is installed on the cathode frame 3 and connected to the negative pole of the power supply 8. Multiple tool cathodes 2 pass through The cathode frame 3 is connected to the translation platform 4, and the electrolyte enters the flow equalization chamber device 13 from the electrolyte system 9, and then enters the hollow conical tubular tool cathode 2, and is ejected from the liquid outlet on the tubular tool cathode 2, and passes through The working area finally returns to the electrolyte system 9, and the cathode liquid outlet is designed as a group slit structure, and the workpiece material around the cathode 2 of the tapered tubular tool will be etched away under the action of electrochemical reaction.

[0033] Such as figure 1 As shown, the erosion speed of electrolytic ...

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Abstract

The invention discloses a multi-cascade electrolysis device based on voltage adjustment of a conical hub integral blisk and belongs to the technical field of electrolytic processing. The components of the device are: including a power supply (8), a clamp body, a follower liquid sealing device, a cathode frame (3), a hollow tool cathode (2), a linkage device (4), and an electrolyte system (9); the above-mentioned power supply (8) A voltage regulating device (10) is connected. During the machining process, the synchronous eccentric oscillating feed of the hollow tool cathode (2) array combined with the compound motion of the rotation of the blisk workpiece (1) realizes the machining of the conical hub profile of the blisk.

Description

technical field [0001] The invention relates to a multi-cascade electrolysis device with a conical hub integral blisk based on voltage regulation, and belongs to the technical field of electrolytic processing. Background technique [0002] Blisks are one of the most important parts in aero-engines, gas turbines, rocket engines, and aviation airborne equipment. The machining accuracy and quality of blisks have an important impact on the performance and quality of products. The overall blisk has narrow channels, distorted structure, and most of the materials are high-temperature materials that are difficult to process, which brings great difficulties to traditional machining methods. Electrolytic machining is a processing method that uses the principle of electrochemical anodic dissolution to remove materials. It has the advantages of wide processing range, good surface quality, high processing efficiency, no tool loss, and no cutting stress. Therefore, electrolytic machining...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/00B23H3/10B23H11/00
CPCB23H3/00B23H3/10B23H11/00B23H11/003
Inventor 朱荻刘嘉宗亚伟徐正扬
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS