SU397301A1 - METHOD OF ELECTROCHEMICAL TREATMENT OF CURRENT CONDUCTING MATERIALS - Google Patents

METHOD OF ELECTROCHEMICAL TREATMENT OF CURRENT CONDUCTING MATERIALS

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Publication number
SU397301A1
SU397301A1 SU1634661A SU1634661A SU397301A1 SU 397301 A1 SU397301 A1 SU 397301A1 SU 1634661 A SU1634661 A SU 1634661A SU 1634661 A SU1634661 A SU 1634661A SU 397301 A1 SU397301 A1 SU 397301A1
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SU
USSR - Soviet Union
Prior art keywords
electrochemical treatment
current
current conducting
conducting materials
tool
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Application number
SU1634661A
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Russian (ru)
Inventor
Л. М. Ковалев М. К. Качеев
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Publication date
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Priority to SU1634661A priority Critical patent/SU397301A1/en
Application granted granted Critical
Publication of SU397301A1 publication Critical patent/SU397301A1/en

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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

1one

Изобретение относитс  к электрохимической обработке металлов.This invention relates to the electrochemical treatment of metals.

Известны способы регулировани  межэлектродного промежутка при электрохимической обработке, в частности способ, сущность которого состоит в том, что на электроды, кроме импульсного тока, синхронизированного с вибрацией электродов, подают дополнительтый ток низкого напр жени . При этом межэлектродный промежуток регулируют по управл ющим броскам этого тока.Methods are known for adjusting the interelectrode gap during electrochemical processing, in particular, a method whose essence is that, in addition to the pulse current synchronized with the vibration of the electrodes, an additional low-voltage current is supplied to the electrodes. In this case, the interelectrode gap is controlled by the control surges of this current.

Предлагаемый способ отличаетс  от известного тем, что рабочий зазор измен ют синхронно с изменением тока от рабочего до такого , три котором электрохимическа  обработка практически не идет. Это обеспечивает износостойкость схемы обработки за счет исключени  растравливани  электрода-инструмента во врем  действи  обратной полуволны тока. Электрод-инструмент и обрабатываемое изделие в течение одной полуволны переменного тока наход тс  один от другого на рассто нии рабочего зазора. В это врем  обрабатываемое изделие - анод, а электрод-инструмент - катод. Идет электрохимическа  обработка издели .The proposed method differs from the known one in that the working gap is changed synchronously with the change in current from the working to the three, which is almost not electrochemically processed. This ensures the durability of the processing circuit by eliminating the etching of the tool electrode during the action of the reverse half-wave current. The electrode tool and the workpiece during one half-wave of alternating current are located one from another at a distance of the working gap. At this time, the workpiece is the anode, and the electrode tool is the cathode. Electrochemical treatment of the product is in progress.

В период обратной полуволны иеременного тока электрод-инструмент и обрабатываемое изделие удал ютс  на рассто ние, практически исключающее электрохимическое растворение материала электрода-инструмента.During the reverse half-wave of the constant current, the electrode-tool and the workpiece are removed over a distance that virtually eliminates the electrochemical dissolution of the material of the electrode-tool.

Изменение рассто ни  между электродоминструментом и изделием можно осуществить, например, с помощью вибратора, соединенного с электродом-инструментом или с изделием . Совмещени  по фазе синусоид колебани  вибратора и переменного тока осуществл ют , например с номощью фазорегул тора.The change in the distance between the electro-tool and the product can be accomplished, for example, by means of a vibrator connected to the electrode-tool or to the product. The combination of the phase of the sinusoids oscillations of the vibrator and the alternating current is carried out, for example, with the help of a phase regulator.

Пример осуществлени  способа. На экспериментальной лабораторной установке обработаны образцы из стали 45 электродом-инструментом из нержавеющей стали марки Х18Н9Т.An example of the method. In an experimental laboratory setup, samples of steel 45 were processed with an X18N9T stainless steel electrode tool.

Услови  обработки; электролит - 18%-ный водный раствор хлористого натри , напр жение переменного тока 8-9 в, плотность тока 40-50 UJCM, частота изменени  величины межэлектродного зазора 50 гц, величина рабочего мелолектродного зазора примерно 0,2 мм.Processing conditions; the electrolyte is an 18% aqueous solution of sodium chloride, an alternating current voltage of 8–9 V, a current density of 40–50 UJCM, a frequency of change in the size of the interelectrode gap of 50 Hz, and a working melolectrode gap of approximately 0.2 mm.

Предмет изобретени Subject invention

Способ электрохимической обработки токопровод щих материалов в среде электролита на переменном токе, отличающийс  тел, что, с целью обеспечени  износостойкости схемы обработки за счет исключени  растравлива34The method of electrochemical treatment of conductive materials in an electrolyte medium with alternating current, distinguished by bodies, which, in order to ensure the durability of the processing circuit by eliminating etching 34

ни  электрода-инструмента во врем  действи изменением тока от рабочего до такого, приnor the tool electrode during the action by changing the current from the worker to that when

обратной полуволны тока, в процессе обра- котором электрохимическа  обработка пракботки рабочий зазор измен ют синхронно с тически не идет.the reverse half-wave of current, in the process of forming electrochemical processing of working, the working gap is changed synchronously with practically not going.

397301 397301

SU1634661A 1971-03-29 1971-03-29 METHOD OF ELECTROCHEMICAL TREATMENT OF CURRENT CONDUCTING MATERIALS SU397301A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1634661A SU397301A1 (en) 1971-03-29 1971-03-29 METHOD OF ELECTROCHEMICAL TREATMENT OF CURRENT CONDUCTING MATERIALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1634661A SU397301A1 (en) 1971-03-29 1971-03-29 METHOD OF ELECTROCHEMICAL TREATMENT OF CURRENT CONDUCTING MATERIALS

Publications (1)

Publication Number Publication Date
SU397301A1 true SU397301A1 (en) 1973-09-17

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SU (1) SU397301A1 (en)

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