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Metal shaping method based on local constrained electrochemistry

An electrochemical processing and localized technology, applied in electrochemical processing equipment, metal processing equipment, circuits, etc., can solve the problems of low processing accuracy, large shape restrictions, easy annealing, etc., and achieve a large processing size range, no The effect of material hardness limitation and precision limitation is small

Inactive Publication Date: 2006-06-14
高丹
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Problems solved by technology

The mechanical processing method is greatly limited by the shape of the parts and molds, and the cutting processing of high-hardness materials is easy to anneal, and the scope of application is limited; the processing accuracy of indirect methods such as the wax model method and photosensitive molding is not high, and it is only suitable for castable materials. Post-processing process; in addition, the biggest limitation of the existing machining methods is that they cannot produce parts that exceed the precision of the processing equipment, and the high-precision processing machine is expensive

Method used

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  • Metal shaping method based on local constrained electrochemistry
  • Metal shaping method based on local constrained electrochemistry

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Embodiment Construction

[0010] In the electrolytic cell for the material to be processed, the metal material is the anode, and the cathode is placed in a semi-closed conical confinement tube made of insulating material. The tip opening of the confinement tube faces and is close to the anode, such as figure 1 . Under the appropriate voltage, the potential of the nozzle is slightly higher than the electrolytic potential of the metal material. Due to the resistance of the solution, only the material near the nozzle can lose electrons and enter the electrolyte. And repeat this process to achieve the purpose of processing. In order to take into account the speed, the rough blank can be processed with a large-aperture constrained tube first, and then processed with a small-aperture constrained tube. Conversely, if the processing environment is changed to electroplating, and the workpiece is the cathode, selective surface treatment can be done to improve the finish and corrosion resistance of the parts. Th...

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Abstract

An electrochemical metal shaping method based on local constraint features that a movable constraint part is used to constrain the region where electrochemical processing is conducted for directly forming the high-accuracy complex shape on metal material and treating its surface. Its advantages are no overheat and annealing phenomena and no need of casting.

Description

technical field [0001] The invention relates to a metal forming method, in particular to an electrochemical metal forming method. Background technique [0002] At present, in the computer-aided design and manufacturing process, an important link is the molding process of prototype parts or molds. The existing methods include mechanical processing, wax mold method, and photosensitive molding method. The mechanical processing method is greatly limited by the shape of the parts and molds, and the cutting processing of high-hardness materials is easy to anneal, and the scope of application is limited; the processing accuracy of indirect methods such as the wax model method and photosensitive molding is not high, and it is only suitable for castable materials. Post-processing process; In addition, the biggest limitation of the existing machining methods is that they cannot produce parts that exceed the precision of the processing equipment, and the high-precision machining master...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H3/00B23H7/14B23H7/20B23H7/26B23H11/00
Inventor 高丹
Owner 高丹
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