Insulation shielding sleeve material electrolytic machining cathode system and machining method

An insulating shielding and cathode technology, which is applied to machining electrodes, electric machining equipment, electrochemical machining equipment, etc., can solve the problems of secondary corrosion of the machined surface of the workpiece, and achieve the effect of improving surface quality and stability.

Active Publication Date: 2017-08-18
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] In order to solve the problem of the secondary corrosion of the processed surface of the workpiece by the stray current existing in the electrolytic machining of the nesting material at the pre...

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  • Insulation shielding sleeve material electrolytic machining cathode system and machining method
  • Insulation shielding sleeve material electrolytic machining cathode system and machining method

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Embodiment Construction

[0015] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] Implementation of the present invention—"a cathode system and processing method for electrolytic processing of insulating and shielding casing", the device includes a casing cathode head, a casing cathode body, insulating particles, an insulating auxiliary block, an auxiliary positioning platform, a guide column, and a compression spring .

[0017] The casing cathode head and the casing cathode body are made of conductive metal materials; the insulating auxiliary block and the guide column are made of non-conductive materials; the shape of the cathode blade of the casing cathode head and the shape of the lower part of the insulating auxiliary block can be adjusted according to the processing The shape of the part is designed, and the size of the insulating auxiliary lower block is slightly smaller than the size of the spa...

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Abstract

The invention provides an insulation shielding sleeve material electrolytic machining cathode system and a machining method. The cathode system mainly comprises a sleeve material cathode body, a sleeve material cathode head, an insulation auxiliary block and insulation particles. In the electrolytic method, the flowing mode of electrolyte is side flowing. A workpiece gradually extends into a machined profile protection cavity and pushes the insulation auxiliary block to move synchronously, the surface of the machined part of the workpiece is coated with the insulation particles in the protection cavity in a particle film form. High-pressure gas is blown into the protection cavity from a gas blowing channel and is blown to the machined area at the root of the workpiece. According to the insulation shielding sleeve material electrolytic machining cathode system and the machining method, the electrolyte between gaps of the machined areas of the workpiece can be reduced, a power line on the machined surface of the workpiece is shielded, secondary corrosion of stray currents to the surface of the workpiece is reduced effectively, and the surface quality of the machined profile is improved.

Description

technical field [0001] The invention provides a cathode system and a processing method for electrolytic processing of insulating shielding casing materials, which belong to the technical field of electrolytic processing. Background technique [0002] With the continuous development of military, aviation, aerospace and automobile industries, new materials are widely used, and higher processing requirements are put forward for some key parts. Therefore, precision processing of difficult-to-machine materials has become an important factor restricting the development of the industry. Compared with traditional mechanical processing, electrolytic machining has the advantages of high processing efficiency, wide processing range, no tool loss, no mechanical cutting force, and no residual heat-affected zone. It is widely used in precision manufacturing and occupies more and more Important position. [0003] Although electrolytic machining has some incomparable advantages over tradit...

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Application Information

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IPC IPC(8): B23H3/00B23H3/04B23H3/10
CPCB23H3/00B23H3/04B23H3/10
Inventor 朱栋胡兴焱朱荻
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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