RU95102608A - Gear for electric spark deposition of coats - Google Patents

Gear for electric spark deposition of coats

Info

Publication number
RU95102608A
RU95102608A RU95102608/02A RU95102608A RU95102608A RU 95102608 A RU95102608 A RU 95102608A RU 95102608/02 A RU95102608/02 A RU 95102608/02A RU 95102608 A RU95102608 A RU 95102608A RU 95102608 A RU95102608 A RU 95102608A
Authority
RU
Russia
Prior art keywords
electrode
disc
disk
gear
resistant
Prior art date
Application number
RU95102608/02A
Other languages
Russian (ru)
Other versions
RU2093324C1 (en
Inventor
Ю.Л. Чистяков
Original Assignee
Ю.Л. Чистяков
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ю.Л. Чистяков filed Critical Ю.Л. Чистяков
Priority to RU95102608A priority Critical patent/RU2093324C1/en
Publication of RU95102608A publication Critical patent/RU95102608A/en
Application granted granted Critical
Publication of RU2093324C1 publication Critical patent/RU2093324C1/en

Links

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

FIELD: electric spark treatment. SUBSTANCE: proposed gear can be used for electric spark deposition of wear-and corrosion-resistant coat on surface of parts of machines and tools predominantly of flat, cylindrical and conical configuration by method of electric spark doping inside axial electromagnetic vibrator with doping electrode there is placed rotation axle anchored with one end on rotor of stepping motor, its other end carries disc with radial equidistant through grooves through which periodic contacts of doping electrode with machined surface synchronized by oscillation frequency to frequency of discrete step of grooves of disc are performed. Axle is driven by stepping motor with excited rotor having step between 15 and 90 deg. Gear makes it possible to ensure turn of disc through angle equal to central angle of groove for time less than time of solidification of transferred portions of material of electrode during its contacts with machined article and to deform layer in softened plastic condition with disc. Unit registering moment of withdrawal of electrode from machined surface from which pulse is fed to unit controlling operation of stepping motor is used to synchronize discrete turns of disc with electrode oscillations. Proposed gear enables dense coats of wear- and corrosion-resistant materials with high degree of continuity and low roughness to be manufactured and thermal tempering of deposited layer and of articles proper to be reduced thanks to additional removal of heat by means of disc when deposition is carried out at high-power current modes of power supply source. EFFECT: enhanced operational efficiency of gear.

Claims (1)

Изобретение относится к области электроискровой обработки и может быть использовано для нанесения износо- и коррозионностойкого покрытия на поверхности деталей машин и инструментов преимущественно плоской, цилиндрической, конусной конфигурации методом электроискрового легирования. Предлагаемое устройство отличается тем, что внутри аксиального электромагнитного вибратора с легирующим электродом на якоре размещают ось вращения, укрепленную одним концом на роторе шагового двигателя, а на другом конце имеющей диск с радиальными равноотстоящими сквозными пазами, через которые осуществляются периодические контакты легирующего электрода с обрабатываемой поверхностью, синхронизированные по частоте колебаний с частотой дискретных шагов пазов диска. Привод оси производят от шагового двигателя с возбужденным ротором, обладающим шагом в пределах 15 - 90o. Устройство позволяет обеспечить поворот диска на угол, равный центральному углу паза, за время, меньшее времени затвердевания переносимых порций материала электрода при его контактах с обрабатываемым изделием и деформировать диском слой в размягченном пластичном состоянии. Для синхронизации дискретных поворотов диска с колебаниями электрода имеется блок регистрации момента отвода электрода от обрабатываемой поверхности, импульс с которого подается на блок управления шаговым двигателем. Описанное устройство позволяет получать плотные с высокой степенью сплошности и низкой шероховатостью покрытия из износо- и коррозионностойких материалов, а за счет дополнительного отвода тепла с помощью диска уменьшать термоотпуск наносимого слоя и самих изделий, в особенности при работе на мощных токовых режимах источника питания.The invention relates to the field of electrospark processing and can be used to apply a wear-resistant and corrosion-resistant coating on the surface of machine parts and tools of a predominantly flat, cylindrical, conical configuration by the method of electrospark alloying. The proposed device is characterized in that inside the axial electromagnetic vibrator with a doping electrode, an axis of rotation is placed at anchor, fixed at one end on the rotor of the stepper motor, and at the other end having a disk with radial equally spaced through grooves through which periodic contacts of the doping electrode with the surface are made, synchronized in frequency with the frequency of discrete steps of the grooves of the disk. The axis drive is produced from a stepper motor with an excited rotor having a pitch in the range of 15 - 90 o . The device allows for the rotation of the disk by an angle equal to the central corner of the groove for a time shorter than the solidification time of the transferred portions of the electrode material at its contacts with the workpiece and to deform the layer with a soft plastic state. To synchronize discrete rotations of the disk with the oscillations of the electrode, there is a unit for recording the moment of removal of the electrode from the work surface, the pulse from which is supplied to the control unit of the stepper motor. The described device allows to obtain a dense with a high degree of continuity and low roughness of the coating from wear-resistant and corrosion-resistant materials, and due to the additional heat removal using a disk to reduce the heat release of the applied layer and the products themselves, especially when working on high-power current modes of the power source.
RU95102608A 1995-02-22 1995-02-22 Device for electric-spark application of coating RU2093324C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95102608A RU2093324C1 (en) 1995-02-22 1995-02-22 Device for electric-spark application of coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95102608A RU2093324C1 (en) 1995-02-22 1995-02-22 Device for electric-spark application of coating

Publications (2)

Publication Number Publication Date
RU95102608A true RU95102608A (en) 1996-12-10
RU2093324C1 RU2093324C1 (en) 1997-10-20

Family

ID=20165072

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95102608A RU2093324C1 (en) 1995-02-22 1995-02-22 Device for electric-spark application of coating

Country Status (1)

Country Link
RU (1) RU2093324C1 (en)

Also Published As

Publication number Publication date
RU2093324C1 (en) 1997-10-20

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