Processing method for outer surface of TA1 cathode roller

A processing method and cathode roller technology, which is applied in the field of electrolytic copper foil equipment manufacturing, can solve the problems of long processing time, poor processing accuracy, and environmental pollution, and achieve the effect of fine outer surface, improved roughness, and good corrosion resistance

Inactive Publication Date: 2019-02-15
XIAN AEROSPACEMOTOR MACHINE FACTORY
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Problems solved by technology

[0004] In order to overcome the shortcomings of long processing time, high cost, poor processing accuracy and environmental p

Method used

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  • Processing method for outer surface of TA1 cathode roller
  • Processing method for outer surface of TA1 cathode roller
  • Processing method for outer surface of TA1 cathode roller

Examples

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Embodiment Construction

[0028] A method for processing the circumferential surface of a TA1 cathode roll with a diameter greater than 2000mm of the present invention includes the above four steps of turning, grinding, ultrasonic rolling, and polishing.

[0029] Step 1, turning: the turning is to turn the circumferential surface of the cathode roller after thermal assembly of the spinning titanium cylinder. Hoist the cathode roller on a horizontal lathe, turn on the switch of the lathe, and find out that the degree of circular jump on the steel shaft of the cathode roller is ≤0.05mm. Select the cobalt-containing carbide R0.8 turning blade for rough turning; set the process parameters of rough turning: the cathode roller speed is 11r / min, the feed rate is 0.6mm / r, and the cutting depth is 3mm. At the end of the cathode roller facing the knife, turn on the cutting fluid switch to start turning. After finishing a rough turning process, measure the outer diameter of the cathode roller. According to the ...

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Abstract

The invention relates to a processing method for the outer surface of a TA1 cathode roller. The processing method comprises four working procedures of turning, grinding, ultrasonic rolling and polishing. The single-sided thickness of the outer surface of the cathode roller is more than or equal to 5 mm through turning processing, so that the outer surface of the cathode roller has no oxide black skin, spinning lines, peeling and crack surface defects left by spinning processing; during grinding, a grinding wheel bar of a flap wheel continuously grinds and knocks the outer surface of the cathode roller to improve the roughness of the outer surface of the cathode roller, eliminate part of the processing residual stress and reduce the stress corrosion generated during raw foil electrolyzing of the cathode roller; the plastic flow structure is formed on the outer surface of the cathode roller by ultrasonic rolling, so that the stress corrosion is reduced during raw foil electrolyzing of the cathode roller; and the roughness of the outer surface of the cathode roller is further improved through polishing, so that the outer surface of the cathode roller is fine and smooth, has no color difference, has no black spots, straight grain and cross grain and has no mottles and pinhole surface defects. It is proved by the test that the copper foil produced by the method meets the requirements of high-end lithium battery copper foil, and the manufacturing period of the cathode roller is greatly shortened.

Description

technical field [0001] The invention relates to the field of electrolytic copper foil equipment manufacturing, in particular to a method for processing the outer surface of a TA1 cathode roll with a diameter greater than 2000mm Background technique [0002] With the rapid development of the electronics industry and new energy electric vehicles, the demand for copper foil is increasing, especially the demand for high-end lithium battery copper foil is increasing year by year. At present, the production of copper foil at home and abroad generally adopts the electrolysis method. The cathode roller is the core equipment for the production of copper foil by the electrolysis method. The cathode roll is used as the cathode for electrolytic copper foil, attracting copper ions to deposit on its surface to a certain thickness, after stripping, surface treatment, and winding, the electrolytic copper foil is continuously produced. What is the shape of the outer surface of the cathode r...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 吉毅松李学雷杨东海陆林黄立刚高炜任发民李养宁邓爽高世凯孙嘉伟李长化
Owner XIAN AEROSPACEMOTOR MACHINE FACTORY
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