Cathode for CNC electrolytic turning and boring of pressure storage cavity

A technology of electrolytic car and pressure storage chamber, which is applied in the direction of processing electrodes, electric processing equipment, electrode manufacturing, etc., which can solve the problems of affecting processing accuracy, cavity wall fatigue failure, tool tip vibration, etc., and achieve good surface quality and no processing Residual stress, effect of improving processing efficiency
CN103706900BActive Publication Date: 2015-11-11常州林胜金属科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
常州林胜金属科技有限公司
Publication Date
2015-11-11

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Abstract

The invention discloses a cathode for use in numerical control electrolysis, turning and boring machining of a pressure storing cavity, belonging to the field of cathodes for use in electrolytic machining. The cathode comprises a cathode body and a shunting body, wherein the cathode body is a revolving body which is hollow inside; one end of the cathode body is taken as a clamping portion, and the other end of the cathode body is taken as a working portion; a neck portion is arranged between the clamping portion and the working portion; the outer diameter of the neck portion is smaller than that of the working portion; the outer wall of the neck portion is provided with an insulating layer; the working portion is provided with a spiral liquid outlet; the middle of the shunting block is provided with a conical revolving body; the top of the conical revolving body is provided with an apex, and the bottom of the conical revolving body is provided with a positioning cylinder; the shunting block is arranged in the cavity of the working portion of the cathode body, thereby forming a flow channel with an annular section; the positioning cylinder is fixedly connected with the lower end of the working portion. A cathode for machining the die cavity of a revolving body with a slender inlet cavity and a large pressure storing cavity is provided. A machining surface is good in quality and free from fine cracks. The machined pressure storing cavity can bear high pressure, and is long in service life.
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Description

technical field

[0001] The invention relates to a cathode for electrolytic turning, more specifically, to a cathode for numerically controlled electrolytic turning and boring of a pressure storage cavity. Background technique

[0002] CNC electrolytic turning is a new type of processing technology that integrates CNC turning technology and traditional electrolytic machining. The cathode is connected to the negative pole of the power supply, and is clamped on the additional rotating shaft of the lathe tool holder through a composite tool holder. The cathode rotates with the rotating shaft. At the same time, follow the tool post along the CNC trajectory, the workpiece to be processed is connected to the positive pole of the power supply, and is clamped on the lathe chuck. The lathe chuck is insulated from the machine tool. During electrolytic turning, the electrolyte is pumped into the CNC composite tool holder by the working pump, and then From the inner hole of the cathode t...

Claims

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