Simple spark erosion device based on optical disk or hard disk drive actuators

Area of Science:

• Engineering
• Materials Science
• Physics

Background:

• Traditional material processing methods can be resource-intensive.
• The need for accessible, low-cost experimental apparatus is critical in research and education.
• Electric discharge machining (EDM) offers precise material modification capabilities.

Purpose of the Study:

• To design and construct a compact, user-friendly electric discharge device.
• To investigate the dynamic properties and machining characteristics of the device.
• To demonstrate its utility in material shaping and powder generation.

Main Methods:

• Incorporation of hard disk or optical disk drive actuators into the device design.
• Development of an electronic circuit for adjustable current, voltage, and discharge power control.
• System testing using organic dielectric liquids and deionized water under spark conditions.

Main Results:

• The device is simple to assemble without specialized workshops.
• Adjustable electronic controls allow for precise management of discharge parameters.
• Successful material shaping and powder production were achieved with low material loss and minimal liquid consumption.

Conclusions:

• The designed compact electric discharge device is a versatile and accessible tool.
• It offers a cost-effective solution for material processing and sample preparation.
• The system's performance validates its potential for various scientific and educational applications.