Micro Electro Discharge Machining (EDM) is a crucial technology for producing micro components, offering favorable characteristics and extensive real-world applications. This book provides fundamental knowledge of the process, parameters, machine components, and challenges, with examples in various fields.

Format: Paperback / softback
Length: 278 pages
Publication date: 01 April 2021
Publisher: Taylor & Francis Ltd

Micro Electro Discharge Machining (EDM) is a cutting-edge technology that plays a crucial role in the production of micro components across various industries. In recent years, it has gained widespread popularity and is now being utilized as a conventional machine tool due to its numerous advantages. This comprehensive book offers a comprehensive understanding of the principles, variants, parameters, components, systems, challenges, and error elimination techniques associated with micro EDM. It delves into real-world applications of micro EDM in diverse fields, providing the most relevant examples to illustrate its effectiveness.

Micro Electro Discharge Machining (EDM) - A Prominent Technology for Micro Component Fabrication

Micro Electro Discharge Machining (EDM) is a highly advanced technology that has revolutionized the manufacturing of micro components in numerous industries. It is now widely used as a conventional machine tool due to its numerous advantages. This book provides a comprehensive overview of the principles, variants, parameters, components, systems, challenges, and error elimination techniques associated with micro EDM. It also includes real-life applications of micro EDM in different areas, with the most relevant examples to illustrate its effectiveness.

Principles of Micro Electro Discharge Machining (EDM)

Micro Electro Discharge Machining (EDM) is a process that involves the use of electrical discharges to remove material from a workpiece. The process is based on the principle of electrical breakdown, which occurs when a high-voltage electrical current passes through a dielectric material. The discharge creates a plasma, which is a highly energized state of matter that can remove material from the workpiece. The plasma is generated by a high-frequency electrical current, which is applied to a small electrode that is placed in close proximity to the workpiece. The electrode is typically made of a conductive material, such as copper or tungsten, and is connected to a power supply.

Variants of Micro Electro Discharge Machining (EDM)

Micro Electro Discharge Machining (EDM) has several variants, each with its own unique characteristics. The most common variants include wire EDM, die EDM, and sink EDM. Wire EDM is the most common variant and involves the use of a thin wire electrode that is fed into the workpiece. The wire is then energized by a high-frequency electrical current, which creates a plasma that removes material from the workpiece. Die EDM involves the use of a shaped electrode that is placed in close proximity to the workpiece. The electrode is typically made of a conductive material, such as copper or tungsten, and is connected to a power supply. Sink EDM involves the use of a conductive material that is placed in close proximity to the workpiece and is connected to a power supply. The material is then removed from the workpiece by the plasma.

Parameters of Micro Electro Discharge Machining (EDM)

Micro Electro Discharge Machining (EDM) has several parameters that can be adjusted to achieve the desired results. These parameters include the voltage, current, pulse duration, and frequency. The voltage is the electrical potential that is applied to the workpiece. The current is the amount of electrical current that flows through the workpiece. The pulse duration is the length of time that the electrical discharge lasts. The frequency is the number of times that the electrical discharge occurs per second. The parameters can be adjusted to achieve the desired shape, size, and surface finish of the micro component.

Components of Micro Electro Discharge Machining (EDM) Systems

Micro Electro Discharge Machining (EDM) systems consist of several components, including a power supply, a workpiece, an electrode, a dielectric material, and a control system. The power supply provides the electrical power that is required to generate the plasma. The workpiece is the material that is being machined. The electrode is the small electrode that is placed in close proximity to the workpiece. The dielectric material is the material that separates the electrode from the workpiece. The control system controls the electrical discharge and the movement of the electrode.

Challenges of Micro Electro Discharge Machining (EDM)

Micro Electro Discharge Machining (EDM) has several challenges that must be addressed to achieve successful results. These challenges include electrode wear, material removal rate, surface roughness, and dimensional accuracy. Electrode wear is the loss of material from the electrode due to the high-frequency electrical discharge. Material removal rate is the rate at which material is removed from the workpiece. Surface roughness is the roughness of the surface of the micro component. Dimensional accuracy is the accuracy of the dimensions of the micro component.

Error Elimination Techniques in Micro Electro Discharge Machining (EDM)

Error elimination techniques in micro Electro Discharge Machining (EDM) are essential for achieving successful results. These techniques include electrode wear compensation, material removal rate compensation, surface roughness compensation, and dimensional accuracy compensation. Electrode wear compensation involves adjusting the electrode to compensate for the loss of material due to the high-frequency electrical discharge. Material removal rate compensation involves adjusting the electrical discharge to compensate for the rate at which material is removed from the workpiece. Surface roughness compensation involves adjusting the electrical discharge to compensate for the roughness of the surface of the micro component. Dimensional accuracy compensation involves adjusting the electrical discharge to compensate for the accuracy of the dimensions of the micro component.

Real-Life Applications of Micro Electro Discharge Machining (EDM)

Micro Electro Discharge Machining (EDM) has numerous real-life applications in various industries. Some of the most common applications include the fabrication of micro components for the automotive industry, the aerospace industry, the medical industry, and the electronics industry. In the automotive industry, micro EDM is used to fabricate engine components, such as pistons, valves, and cylinder heads. In the aerospace industry, micro EDM is used to fabricate aircraft components, such as wings, fuselages, and engines. In the medical industry, micro EDM is used to fabricate medical implants, such as prosthetic limbs and dental implants. In the electronics industry, micro EDM is used to fabricate electronic components, such as microchips and circuit boards.

Conclusion

Micro Electro Discharge Machining (EDM) is a highly advanced technology that has revolutionized the manufacturing of micro components in numerous industries. It is now widely used as a conventional machine tool due to its numerous advantages. This book provides a comprehensive overview of the principles, variants, parameters, components, systems, challenges, and error elimination techniques associated with micro EDM. It also includes real-life applications of micro EDM in different areas, with the most relevant examples to illustrate its effectiveness. By understanding the principles and techniques of micro EDM, manufacturers can improve the quality and efficiency of their manufacturing processes and achieve their desired results.

Weight: 553g
Dimension: 234 x 156 (mm)
ISBN-13: 9780367776725