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Automatic electro-spark deposition system

A kind of electric spark deposition, automatic technology, applied in the direction of metal material coating process, coating, etc., to achieve the effect of good deposition layer quality, uniform deposition layer, avoiding unstable deposition quality

Inactive Publication Date: 2011-10-26
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of manual operation in the prior art. The development and design of automatic EDM equipment has a positive effect on the application of the current EDM process. This technical solution can realize the precise extrusion force of the electrode workpiece. Control to realize the detection, display and feedback control of extrusion force, which can ensure the stable extrusion force output of 0-10N (Newton), and provide equipment guarantee for the development of EDM process

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Embodiment Construction

[0028] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0029] The technical scheme of the present invention adopts square 304 stainless steel as the deposition workpiece, the deposition electrode is 304 stainless steel with a diameter of 3 mm, the electrode and the workpiece are made of the same material, and the XY two-dimensional mobile platform is TDJG-I of Tianjin Automel Optoelectronics Technology Co., Ltd. type multi-axis CNC platform, the z-axis motion mechanism chooses the 57-type stepper motor 23HS4620 of Changzhou Ankete Motor Co., Ltd., and the EDM deposition equipment uses the SparkDepo-200 EDM equipment produced by TechnoCoat Company of Japan.

[0030] Fix the deposition gun on the fixture on the stepper motor, assemble the stepper motor and pressure sensor (using the existing feedback control principle and devices, the schematic diagram is as attached Figure 4 shown) to connect, set the...

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Abstract

The invention discloses an automatic electro-spark deposition system. The electro-spark deposition process comprises the following steps: (1) in an XY axis motion controller, the motion trajectory of the deposition surface of a workpiece is set; (2) a deposition gun is connected with a z-axis motion mechanism, a z-axis pressure feedback controller is connected with a pressure sensor while the pressure value of the deposition process is set by the z-axis pressure feedback controller; (3) an electro-spark deposition device is connected with an inert protective atmosphere, the parameters of the power supply such as voltage, discharge capacitance and current frequency are set; and (4) deposition is performed; according to the preset pressure value and the detected pressure signals, the z-axis pressure feedback controller controls the deposition gun to move up and down through the z-axis motion mechanism, the pressure is controlled into the preset pressure range, and the stable electro-spark deposition process can be realized. By adopting the automatic electro-spark deposition system, the accurate control of the electrode workpiece extrusion force can be realized, the detection, display and feedback control of the extrusion force can be realized, 0-10N of stable extrusion force output can be ensured and equipment can be provided for the electro-spark deposition technology.

Description

technical field [0001] The invention relates to the technical field of material surface modification and remanufacturing, and more specifically relates to an automatic micro-arc electric spark deposition system. Background technique [0002] In modern production, the importance of mechanical equipment and parts maintenance is becoming more and more prominent. Maintenance is also an investment, which is as important as fixed assets. From this perspective, maintenance is also productivity. EDM surface deposition and repair can be used for micro-repair of worn molds, measuring tools and machine parts, so that the equipment can operate normally and has significant economic value. [0003] EDM deposition is a process that directly uses the high-density energy of EDM to deposit the surface of the metal. It uses the electrode material (tungsten carbide such as WC, TIC, etc.) as the working electrode (anode), and generates spark discharge between it and the deposited metal workpi...

Claims

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Application Information

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IPC IPC(8): C23C26/02
Inventor 高莹韩敬华力航
Owner TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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