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What will happen if you increase the speed of machining in Wire electrical discharge machining?
Machined surface is more rough.
Explain solidification of molten metal in Electrical discharge machining process?
The electric current spalls metal into the machining liquid, and the metal cools to form metal "dust" that is carried away by the liquid.
What is the difference EDM machine and ECM machine?
The main difference between EDM (Electrical Discharge Machining) and ECM (Electrochemical Machining) machines is in their working principles: EDM (Electrical Discharge Machining): EDM uses electrical discharges to remove material from a workpiece. It relies on sparks or discharges of electrical energy to erode the material, making it suitable for hard metals and complex shapes. ECM (Electrochemical Machining): ECM employs a chemical process to remove material. It uses an electrolyte solution and an electrically conductive tool to dissolve or erode the workpiece material, making it effective for conducting materials like alloys and difficult-to-machine metals. In summary, EDM uses electrical discharges, while ECM uses an electrochemical process to shape and machine materials.
What is EDM ELECTRODE?
EDM electrodes consist of highly conductive and/or arc erosion-resistant materials such as graphite or copper. EDM is an acronym for electrical discharge machining, a process that uses a controlled electrical spark to erode metal.
How does pulse on time and pulse off time EDM?
In Electrical Discharge Machining (EDM), pulse on time refers to the duration during which the electrical discharge occurs, allowing material to be removed from the workpiece. Conversely, pulse off time is the interval between discharges, during which the molten material solidifies, and the dielectric fluid flushes away debris. Optimizing the ratio of pulse on and off times is crucial for achieving efficient machining, improving surface finish, and preventing electrode wear. Balancing these times enhances the overall machining effectiveness and precision.
What is the critical resistance in EDM?
In Electrical Discharge Machining (EDM), critical resistance refers to the optimal resistance value that allows for efficient spark generation and machining. It plays a crucial role in controlling the energy transfer from the power supply to the electrode and workpiece, impacting the machining rate and surface finish. Maintaining the right critical resistance ensures that the discharge process is stable and effective, allowing for precise material removal without excessive wear on the electrode.
What are the differences between wire electro discharge machining and conventional electro discharge machining?
Wire EDM uses a thin wire to remove surrounding material, where conventional EDM uses a shaped electrode to remove material.
What is EDM with ultrasonic assistance?
EDM with ultrasonic assistance is a process where ultrasonic vibrations are applied to the workpiece or the electrode during electrical discharge machining (EDM). The ultrasonic vibrations help in improving machining efficiency by reducing tool wear, improving surface finish, and increasing material removal rate. This technique is commonly used for machining hard and brittle materials with high precision.
How do you machine non conductive material using edm?
No you csn't machine the material which are non conductive by using edm.But there is a drived machining process which is used for machining non-conducting material(like ceramics, brittle materials) is ECDM(Electro Chemical Discharge Machining).
How do you get a medium to large sized piece of mild steel to shine without grinding it?
By unconvetional machining.EDM electric discharge machining.
What has the author F Roethel written?
F. Roethel has written: 'Surface properties in electric discharge machining' -- subject(s): Mechanical engineering
How non-traditional machining processes are classified?
Non-traditional machining processes are classified primarily based on the energy source used for material removal. Common categories include mechanical, thermal, chemical, and electrical processes. Mechanical processes involve abrasive or ultrasonic methods, while thermal processes utilize heat to remove material, such as in laser or electron beam machining. Chemical processes encompass techniques like electrochemical machining, and electrical processes include wire EDM and spark erosion.
