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Electrolytic machining cathode device for freezing protection sleeve material and processing method

A cathode and protective cavity technology, applied in the direction of processing electrodes, electric processing equipment, electrochemical processing equipment, etc., can solve problems such as stray corrosion, improve the surface quality of workpieces, reduce uneven stray corrosion, and reduce the taper of workpieces. small effect

Active Publication Date: 2019-06-21
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0009] The present invention aims to solve the problem of stray electrolyte corrosion on the processed parts of workpieces caused by stray electrolyte in the current electrolytic machining of nesting materials, and proposes a cathode device and processing method for freezing protection sleeve electrolytic machining to reduce the taper of workpieces. Improve workpiece surface quality

Method used

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  • Electrolytic machining cathode device for freezing protection sleeve material and processing method
  • Electrolytic machining cathode device for freezing protection sleeve material and processing method
  • Electrolytic machining cathode device for freezing protection sleeve material and processing method

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Embodiment Construction

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

[0024] Such as figure 1 , figure 2 with image 3 As shown, a cathode system for electrochemical machining of a freezing protection jacket material for implementing the present invention is characterized in that it includes:

[0025] The main steps of electrochemically machining a workpiece using the present invention mainly include the following processes:

[0026] Step 1). Assemble the components of each cathode device, and connect the assembled cathode device together with the cathode rod to the feed spindle of the machine tool;

[0027] Step 2). Connect the refrigerant inlet and outlet nozzles to the inlet and outlet of the refrigerant capsule respectively;

[0028] Step 3). Install and fix the workpiece. After determining the relative position of the workpiece and the cathode in the machine tool, connect the water-sealing fixture to the cathode device;

[0029] Step 4). Feed th...

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Abstract

The invention provides an electrolytic machining cathode device for freezing protection sleeve material and a processing method, and belongs to the technical field of electrolytic machining. The cathode device is mainly composed of a cathode head, a cathode block, a freezing block and a coolant bag body. In the sleeve material electrolytic machining method, the coolant bag body surrounds the periphery of a protection cavity in the middle of the freezing block, the machined part of the workpiece gradually extends into the protection cavity in the middle of the freezing block, a coolant is fed from the inlet end of the coolant bag body and flows out from the outlet end of the freezing block, and the stray electrolyte in the middle protection cavity of the freezing block is frozen. Accordingto the electrolytic machining cathode device, stray corrosion caused by stray electrolyte on the machined surface of the workpiece is reduced, the taper of the workpiece is reduced, and the surface quality of the workpiece is improved.

Description

Technical field [0001] The invention relates to the field of electrochemical machining, in particular to a cathode device for electrochemical machining of a freezing protection jacket material and a machining method. Background technique [0002] Electrochemical machining has high processing efficiency and low processing cost in the mass forming of high-strength and high-hardness materials such as high-temperature alloys and titanium alloys, and is therefore widely used in the processing of difficult-to-process materials in the military, defense industry and aerospace manufacturing in. [0003] Electrochemical machining is based on the electric field between the cathode and the workpiece, the electrolyte flow field, and the principle of electrochemical dissolution to remove metal workpieces. During the machining process, the cathode device continuously feeds the workpiece, and the surface material of the workpiece is continuously eroded to form the final shape. It has a wide proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H3/00B23H3/04B23H11/00
Inventor 朱栋李家宝徐正扬
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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